Services

Consulting and assistance on using OAC resources

Running high-performance programs on OAC equipment.

Assistance in using quantum computer simulators, consulting and adaptation of programs for quantum computers, compilation, testing

Consulting on computational methods and the use of applications in a supercomputer, calculations, research.

Matlab calculations

Consulting on computational methods and the use of applications in a supercomputer, calculations, research.

Consulting and assisting with the use of APC compilers, combining programs, compiling programs, testing

Consulting on computational methods and the use of applications on a supercomputer, calculations, research.

Quantum chemistry, molecular dynamics and molecular mechanics calculations

Consulting on the use of computational methods and applications in a supercomputer, calculations, and research.

HPC high performance computing

HPC High Performance Computing Cluster.

Photometric observations with the 31/51 cm Maksutov-system Molėtai Astronomical Observatory telescope

Observations with a wide-field 31/51 cm Maksutov-system telescope and CCD photometer.

Photometric observations with the Molėtai Astronomical Observatory 1.65 m telescope

Observations with a 1.65 m telescope and CCD photometer.

Spectroscopic observations with the Molėtai Astronomical Observatory 1.65 m telescope

Observations with a 1.65 m telescope and VUES spectrograph.

Super-Resolution Imaging Facility

Super-resolution imaging facility has recently acquired a Leica TCS SP8 confocal scanning microscope, equipped with motorized xy-stage 12 kHz tandem scanner, field of view scanner, gated HyD™ detection system, white light laser as well as LIGHTNING, FALCON and STED 3x modules.

Identification of companies‘ problematic areas

Analysis of company's financial, taxation processes and operative activities in order to determine the company's problematic areas and potential threats. We make proposals how to solve problems, how much does it cost and we estimate how it effects the results of a company‘s activities.

Consulting on statistical analysis of demographic processes and their economic implications

Demografic forces (population migration, ageing, birth rate and others) affect economic, social and political situation of the countries and, consequently, their place on the world stage.

Consulting on cost-benefit analysis of public and private projects

Cost-benefit analysis (CBA) is a method of systematic categorization of project impacts as benefits and costs, valuing them in monetary terms.

Consultations and examination on social security and labour market issues

Consultation and examination regarding social insurance, social assistance and labour market issues (economic aspects).

Financial audit and internal audit

Lectures on financial audit and internal audit;

Consultation on audit quality assurance, internal control assessment, audit risk issues;

Lectures;

Errors and fraud techniques and their consequences;

Application of the methods of management accounting (cost management, budgets management and control, evaluation of investment projects and efficiency of activity, etc.) in enterprises and organizations

Consultations, instructions, application of the methods of management accounting (cost management, budgets management and control, evaluation of investment projects and efficiency of activity, etc.) in enterprises and organizations.

Taxation and financial analysis

Consulting on taxation and financial analysis issues.

The lectures about accounting issues of the public sector.

Modelling of decisions on tax and accounting issues.

Quality management and performance excellence

Consultation on quality management system implementation and performance excellence, according to EFQM model, implementatio issues.

Investors compensation schemes' technologies

The newest approaches to activities of investor compensation schemes. Technological solutions for mechanism of pay-out of compensations to investors. Effective principles of fund's investment and its realization.

Deposit Insurance (Guarantee) Technologies

The newest solutions for activity of deposit insurance (gaurantee) schemes.

Technological solutions for reimbursment depositors.

Effective principles of fund's investment and its realization.

Marketing strategy, planning and management

Consulting in regards of development of new or modifications of an existing marketing strategy. It is based on relevant situational analysis and additional research (if needed). Upon demand, can be integrated with required training.

Consulting on sales management issues

Consulting on sales management system development and sales analysis.

Consulting on marketing issues

Consulting is oriented towards solving specific ad-hoc problems that companies encounter. The consulting is based on required type of situational analysis, additional research (surveys, etc.), training and skills-development seminars with personnel.

Consulting on advertising campaign‘s creative strategy and tactics

Consulting on advertising creative strategy and tactics, analysis of the relevance of provided creative ideas/solutions to the communication objectives of the particular advertising campaign.

Consulting on brand building and development

Consulting on brand building and development, brand positioning, brand awareness and attitude development strategy.

Consulting on high tech (innovative) products introduction to the market

Consulting is oriented towards development of high tech (innovative) products introduction to the market strategy, planning of marketing actions, also market analysis.

Consulting on environmental marketing and social responsibility issues

Consulting is oriented towards development of environmental (green) marketing strategy and planning of certain marketing actions, also implementation of social responsibility in business practise.

Brand strategy, planning and management

Consulting in regards of development of new or modifications of an existing brand strategy. It is based on relevant situational analysis and additional research (if needed). Upon demand, can be combined or integrated with brand auditing.

Brand auditing

Brand auditing includes analysis of internal and external brand/brands situation.

Consumer research

Consulting will cover such topics as analysis of needs, evaluation of satisfaction, attitudes towards marketing actions, evaluation of intention to buy. Consulting will include such elements as development of a questionnaire, selection of respondents, analysis of data.

Consulting on exhibition marketing subject

Consulting on questions related to exhibition marketing. It is based on relevant situational analysis and additional research (if needed). Upon demand, can be integrated with required training.

How to start and to develop business

Comparison between different juridical forms for enterprise (organization)

Business form variety (by size, juridical form, field of interest, etc.);

Consulting on tourism development issues

Provided servises:

tourism service and resource analysis developing tourism in monicipality, regional and state level;

strategic planning of tourism development;

Consulting on business competitiveness issues

The evaluation of external environment factors on impact towards company‘s activities, according to influencing factors on evaluation weight and significance;

The emphasis of external barriers which would stop company’s development and progress; the identification of environment changes damaging company’s activities;

Simulation and Modeling of Business Processes

Decision support proposals based on modeling and simulation of the activities of the business companies.

Consulting on business start-up and development issues

Feasibility analysis in business start-ups, advantages and disadvantages;

Planning business enterprise, business plan;

Financial business development plan;

Evaluation of particular product development (service, product) for the enterprise.

Measurement od femtosecond pulse duration

Measurmeents are performed with femtosecond pulse duration meter APE PulseCheck 15 ShortPulse.

Measurements and research using femtosecond Ti:sapphire laser complex

The whole or a part of facility can be used (depending on the kind of study). Facility consists of: 1) Femtosecond Ti:sapphire laser system. The system generates radiation of 800 nm central wavelength. Pulse energy at 1kHz repetition rate is 10 mJ. Duration of pulse is ̴ 40 fs.

Spectral characteristics tests of optical elements with Shimadzu spectrophotometer

Tests are performed using Shimadzu spectrophotometer UV-3101PC with the computer and proper software.

Laser nanophotonics research and services using femtosecond laser system Pharos

Research and services are carried out by using:
1. Light conversion femtosecond laser system Pharos. 6W average power diode-pumped high repetition rate femtosecond Yb:KGW laser. Maximum repetition rate is 200 kHz. Central wavelength 1030 nm, pulse duration 300 fs, pulse energy to 0.4 mJ.

Ultrashort pulses investigation with nonlinear methods

Measurement are performed using Spectra Physics Ti:sapphire femtosecond system with noncollinear parametric amplifier, ultrashort pulses IR radiation source, high dynamic range Andor CCD camera, pulses duration meter Grenouille and unique set of diagnostic for space -time and spectral characteristics.

Measurements with scanning electron microscope

Hitachi Tabletop electron microscope TM-1000 is used. Maximum magnification is 10000, maximum sample size 70 mm in diameter, maximum sample height 20 mm.

Measurements with optical profilometer Sensofar PLμ2300

Profilometer Sensofar PLμ2300 with a computer and the proper software are used.

Ultrafast spectroscopy research: femtosecond multi - pulse absorption spectroscopy

The equipment set consists of: 1) Regenerative Ti:sapphire amplifier of femtosecond pulses with 30W solid-state pump laser Libra-USP-HE and unique set of spectroscopy equipment and diagnostic. Central wavelength of the amplified pulses is 800 nm, maximum pulse repetition rate 1 kHz, pulse duration < 50 fs. Pulse energy at 1 kHz repetition rate is > 3.5 mJ. It has an option of switchover between 505 fs pulse and 11010 fs pulse amplification modes.

Microfabrication with femtosecond 6W average power laser

Microfabrication is performed using Aerotech mid motion five coordinates precision positioning module with unique set of equipment and diagnostic and Light Conversion femtosecond Yb:KGW laser Pharos.

Image recording with optical microscope and a CCD camera

Optical microscope Olympus BX51 with Qimaging CCD camera microPublisher 5.0 and computer are used.

Spectral measurement with fiber spectrograph in 1000-2500 nm

NIR fiber spectrograph AvaSpec-NIR256-2.5 is used.

Spectral measurement with a broad spectral range spectrograph and the Andor CCD camera

Andor Technology spectrograph Shamrock SR-500i with CCD camera iXon 885 are used.

Detection of 1 nm - 310 nm radiation

Service is performed using the XUV detection set, which consists of: 1) UV detection and registration system. Spectral range is 1-310 nm, resolution 0.1 nm. 2) Vacuum chamber with a pump. Inner chamber dimensions are 610×810×175 mm. The pressure is maintained in the 1x10-7 - 1000 mbar range.

Femtosecond laser pulses contrast measurement

Femtosecond pulse temporal contrast measurement is made with the pulse temporal contrast meter Sequoia 800.

Measurements and research with high intensity facility

The whole or a part of facility can be used (depending on the kind of study). Facility consists of:
1) Light Conversion femtosecond Yb:KGW oscillator with amplifier Pharos. 6W average power diode-pumped high repetition rate femtosecond Yb:KGW laser. Maximum repetition rate is 200 kHz. Central wavelength 1030 nm, pulse duration 300 fs.

Characterisation of protein stability and protein-chemical compounds interactions by thermal shift method

Aimed at determination of protein stability characteristics and their interaction with chemical compounds.

Analysis of biomolecule (protein) structure

Determination of various parameters of biomolecules (proteins) by X-Ray diffraction method.

Characterisation of prooxidative or antioxaditave features of redox active medicals, environmental pollutants and food supplements (chinones, nitroaromatic formations, polyphenols)

Tiriama redoks aktyvių junginių oksidacijos arba redukcijos kinetika fermentais, redoks baltymais, arba modeliniais organiniais ir neorganiniais reagentais. Taip pat tiriami jų fotoindukuoti virsmai.

Cell analysis and manipulation with confocal microscope connected to laser tweezer

Cell spectric confocal microscopy (FRET, FRAP, RICS, etc.), moving of individual cells with laser tweezers.

Cell analysis and manipulation with confocal microscope connected to laser tweezers

Cell spectric confocal microscopy (FRET, FRAP, RICS, etc.), moving of individual cells with laser tweezers.

Obtaining biomass

Obtaining of producent (biomass) with desired features. Cultivation (growing) of microorganisms that were genetically modified by gene engineering methods.

Development of monoclonal antibodies

We perform immunizations and generate hybridomas secreting monoclonal antibodies against different antigens.

Cell imaging

Cell imaging is done during the process of research and experiments. Unique images are obtained.

Quantitative hormone analysis by ELISA

Determination of concentration of sexual steroid hormones in saliva.

Electroencephalographic human treatment

64 channel electroencephalograph is used for registration and analysis of human brain electric signals.

Registration and measurements of eye movements

Aimed at complex psychophysical tests of vision system.

Identification of clonality of bacterial pathogens by genotyping

PFGE-based genotyping of bacteria, cluster analysis.

Antibiotic resistance determination by molecular approaches

Determination of antibiotic resistance genes by high-throughput PCR.

High throughput isolation of bacterial DNA from clinical and other sources.

Sample preparation, high throughput isolation of nucleic acids and purity testing.

PCR preparation and distribution

Preparation of high number of samples for determination of DNA sequence.

Purification (cleaning) of biomolecules (proteins)

Separation of different size molecules presented in liquid phase using method of liquid chromatography.

Determination of structure of low molecular weight organic compounds

Determination of various parameters of biomolecules (proteins) by X-Ray diffraction method.

Capturing X-Ray difraction data of crystals of low molecular weight organic compounds

Determination of various parameters of biomolecules (proteins) by X-Ray diffraction method.

Determination of macromolecule structure

Determination of various parameters of biomolecules (proteins) by X-Ray diffraction method.

Capturing X-Ray difraction data of macromolecule crystals

Determination of various parameters of biomolecules (proteins) by X-Ray diffraction method.

Crystal growing and observation

Protein crystals growth when pure protein is dissolved in buffer with precipitate. Then water is eliminated by controlling evaporation. This crystals must diffract x-rays with proper resolution and ought to single but not aggregated.

Protein production and development of technologies to produce experimental preparations

Application. The system can be used for protein analytic and preparative purification tasks as well as for development of technologies to produce experimental biotechnology preparations.

Contacts: Dr. Arūnas Šilanskas, tel. +370 5 223 4357,

Production and purification of rabbit polyclonal antibodies

Polyclonal antibody production service includes: pre-bleed, 4 or 5 immunizations, bleeds, final bleed and characterization of polyclonal antibodies, purification of polyclonal antibodies.

Production and purification of mouse polyclonal antibodies

Polyclonal antibody production service includes: pre-bleed, 4 or 5 immunizations, bleeds, final bleed and characterization of polyclonal antibodies, purification of polyclonal antibodies,

Purification of monoclonal antibodies by ammonium sulphate

Development and stabilisation of hybridomas expressing monoclonal antibodies. Characterisation of monoclonal antibodies.

Purification of monoclonal antibodies by affinity chromotography

Purification of monoclonal antibody againts bocavirusVP2 protein clone #15C6, monoclonal antibody againts bocavirusVP2 protein clone #4C2.

Development of hybridomas

Hybridoma development and monoclonal antibody production service includes: immunization, cell fusion, cloning, characterization and production of monoclonal antibodies in vivo orin vitro, purification of monoclonal antibodies.

Protein analysis. Determination of molecular mass

Liquid chromatography mass detector Agilent 6410 Triple Quadrupole. The new generation of the device, allowing an initial effective biomolecules and synthetic organic compounds characterization analysis of chromatographic and capillary electrophoresis.

DNA Sequencing with the Sequencing Kit supplied by customer

The DNA Sequencing Centre (SC) uses ABI (Applied Biosystems) 16-capillary 3130xl sequencer. Cycle Sequencing Reaction is performed by Sanger's dideoxy Terminator Method.

DNA Sequencing with the Sequencing Kit supplied by DNA Sequencing Center (SC)

The DNA Sequencing Centre (SC) uses ABI (Applied Biosystems) 16-capillary 3130xl sequencer. Cycle Sequencing Reaction is performed by Sanger's dideoxy Terminator Method.

Production of micropipettes

Micropipettes and capillaries production to 0.3 mm diameter tip and 6-10 mm in length. Micropipettes of microinjection, perform micromanipulation.

Contact angle measurements

Contact angle measurements in 1-180 degree range. Angle resolution 0.1 degree. Positioning - mechanical.Used for surface Hydrophobicity / Hydrophilicity measurements.

Usage of pulsed solid state laser operating in UV and visible spectral regions.

Studies of molecular vibrations, chemical bonding and identification of compounds. Resonance Raman spectroscopic studies by using pulsed tuning-wavelength laser operating in UV and visible spectral regions.

Surface modification by Langmuir-Blodgett

Thin film deposition of amphiphilic molecules. Films used for membrane, biosensors studies.

Usage of 457 nm continuous wave solid state laser.

Studies of molecular vibrations, chemical bonding and identification of compounds. Raman spectroscopic studies by using 457 nm continuous wave laser.

Usage of 532 nm continuous wave solid state laser

Studies of molecular vibrations, chemical bonding and identification of compounds. Raman spectroscopic studies by using 532 nm continuous wave laser.

Usage of 266 nm continuous wave solid state laser.

Studies of molecular vibrations, chemical bonding and identification of compounds. Raman spectroscopic studies by using 266 nm continuous wave laser.

Usage of 405 nm continuous wave diode laser

Studies of molecular vibrations, chemical bonding and identification of compounds. Raman spectroscopic studies by using 405 nm continuous wave laser.

Application. Raman spectroscopic measurements by using 405 nm continuous wave laser.

Contacts: Dr. Tadas Ragaliauskas, tel. +370 5 223 4401,

Atomic force microscope measurements

The qualitative topography analysis of different surfaces and their comparison, the manipulation and lithography at the nanoscale level, the electrical surface characterization.

Thin-film coating by modular spin processor

For surface coating with various thin-films by spin coater,Substrate sizes from 3 mm to 150 mm wafers, maximum rotation speed 12 000 rpm.

Application. Spin coating of various surfaces with thin-films.

Contacts: Dr. Tadas Ragaliauskas, tel. +370 5 223 4401,

Raman microscope measurements

Raman microscope spectral measurements. Materials are characterised by Raman and infrared spectroscopy. Complex material studies are performed using customer's or service provider's materials.

Elektrochemical measurements and testing

Investigation of electrochemiocal processes, testing and celicbration of sensors, electrochemical formation and surface modification.

Metal layer formation by magnetron sputtering

Desing of surface plasmon resonance and quartz microbalance sensors optimization for user applications and fabrication.

Toxicological tests using laboratory animals

Control and test animal groups are prepared test substance are supplied per os, with feed, water or by injection.

Laboratory rabbit and breeding in the animal laboratory

Usually, non-bloodstock rabbits are kept.

Laboratory rat and breeding in the animal laboratory

Usually, individuals of rate clone WISTAR are kept. Upon customer's request, rates of any line could be kept during experimental time.

Laboratory mouse and breedig in the animal laboratory

Usually, mice lines CBA, Balb/c, BL57 ad DBA are kept. Upon customer's request, mice of any line could be kept during experimental time.

Mass spectrometric proteome analysis (protein identification by peptide mass spectrometry (MS/MS); searching and identification of protein modifications; peptide sequence determination (sequencing) de novo; determination of protein molecular weight)

Protein identification by mass spectrometry,Identification of protein posttranslational modifications,De novo peptide sequencing,Identification of protein molecular weight.

Four point probe resistance measurements

Sheet resistance and bulk resistance measurements by four point probe method and determination of the type of conductivity of the sample. A wide range of parameters and the abscence of contact resistance ensures accurate results and simplifies the measurement procedure.

Consultation on work with applied programs for controlling emission spectrometer (1 hour)

Consultation on device management using "WinLab32 for ICP" user interface: calibration, analysis, program and method creation, interpretation and editing of results.

Consultation on work with applied programs for controlling ion chromatography system (1 hour)

Consultation on device management using Chromeleon's user interface: calibration, analysis, creation of the program and method, interpretation and editing of the chromatogram.

Measurement of electrical conductivity in water

The sensor is immersed in a sample of water and until the electrical conductivity value is measured.

Water pH measurement

The sensor is immersed in a sample of water until the pH is measured.

Consultation on work with the data of meteorological station (1 hour)

Consultation, interpretation of results.

River profile measurement and data processing

Measurement of the profile of the river (or a certain part of it) selected by the customer and initial processing of the data. Transport is not included in the price.

Formation of the data array of the meteorological station (1 hour)

Formation of a data array, requested by the customer. You can choose from the parameters provided by the station and the earliest start date is April 2012. The price is for 1 hour of the data array.

Surface analysis with scanning electrochemical microscope

Research of surface electrochemical properties using scanning electrochemistry-microscopy equipment SECM-030, SENSOLYTICS (Germany), which consists of: atomic force (and / or tunneling) microscopy and electrochemical process control instruments.

Research of the electrochemical properties and interactions of thin biological layers

Research is carried out on a low-current high-sensitivity electrochemical analyzer and an electrochemical zeta-potential meter: surface plasmon resonance meter ESPRIT, Autolab and potentiostat Autolab.

Volume visualization of marked cells and other transparent objects

Visualization of cells and other biological objects with a laser scanning confocal microscope, consisting of: an inverted microscope of an infinite tubular optic system; 100 W halogen lamp for illumination; FV10i - W, Olympus.

Quantitative and qualitative analysis of organic compounds using gas chromatography-mass spectrometry method

Identification of various organic compounds and determination of concentration in environmental, biomedical and other objects.

Application. Preparation of samples for analysis, analysis, interpretation of data, consultations.

Contacts: Vida Vičkačkaitė, tel. +370 5 219 3124,

Laser nanophotonics research and services using a femtosecond laser system Pharos

Research and services are carried out by using:
1. Light Conversion femtosecond laser system Pharos (from VU OAC Laser Research Centre facility "Naglis");

Laser nanophotonics research and services using a high-repetition rate tunable femtosecond laser system

Research and services are carried out by using:
1. Pharos-SP high-repetition frequency tunable femtosecond laser system with the Orpheus / Lyra parametric amplifier;

Femtosecond laser microfabrication

The service is performed with the femtosecond laser microfabrication set. It consists of a Pharos femtosecond laser and the Aerotech large motion five-coordinate precision positioning module using a unique set of measurement and diagnostics.

Measurements of the laser-induced damage threshold of optical elements with the nanosecond diode-pumped Nd:YAG laser

Measurements are performed with the laser-induced damage threshold (LIDT) test station, nanosecond Nd:YAG laser with single longitudinal mode and the equipment set for measuring laser radiation temporal, spatial and energetic parameters.

Measurements with the laser-induced damage threshold (LIDT) test station No.2

A laser source is needed for the measurements. The LIDT station can be used at a laser pulse repetition rate from 1 Hz to 10 kHz. Measurements can be performed for laser radiation of 760 – 840 nm, 380 - 420 nm wavelengths. Automated positioning of the sample in X and Y directions in the target plane (range of positioning ≥ 70 mm).

Measurements of damage threshold of optical elements using Inolas SpitLight Hybrid III laser

Measurements can be performed for laser pulse repetition from 1 Hz to 100 KHz and for 1030-1064 nm, 515-532 nm and 343-355 nm laser radiation wavelengths.

Measurements with the laser-induced damage threshold (LIDT) test station No.1

A laser source is needed for the measurements. The LIDT station can be used at a laser pulse repetition rate from 1 Hz to 100 kHz.

Evaluation of total surface roughness of different optical elements designed for 1064 nm, 532 nm and 355 nm laser radiation from scattering measurements

The measurements are performed using the total integrated scattering measurement station with an Ekspla NL202 nanosecond laser. Scatter is measured in relation to the OceanOptics standard.

Research of electrical and optical noise and optical radiation spectra

Measurement of electrical and optical noise and signals of various semi conductive devices in the frequency range of 10 Hz - 50 GHz.

Inorganic / organic technology and their spectrometry

Research of the photoelectric properties of organic and amorphous inorganic layers.

Recording and research of absorption in wide spectral range (UV-FIR), Raman scattering spectra and chemical image of the surfaces

1. Recording of permeability (absorption) spectra of liquid samples in the UV-NIR range and qualitative and quantitative spectral analysis of such samples. Determination of reflection coefficients of mirror surfaces in the UV-NIR range.

Absolute impedance spectrometry of dielectric and semi conductive passive elements

Application. Measurement of electric parameters of various radio circuits, passive and active components (e.g. capacitor capacity and loss tangent, suppression coefficient of coaxial cables, generator's signal generation level, etc.) in a frequency range from 10 μHz to 40 GHz. Determination of electrical parameters of various materials in a frequency range from 10 μHz to 3 THz.

NMR and EPR spectrum registration and research

Application. Studies of organic molecular structure. Study of metastable defects in crystals. Identification of technological point defects and investigation of evolutionary heat treatments. Studies of Spin-labeled compounds, important in biomedical physics. Monitoring of free radicals and radioactive contamination.

Contactless determination of free carrier lifetime and diffusivity in semiconductors and devices

Measurement of key electrical parameters like carrier diffusivity, mobility, lifetime, surface recombination velocity, using conventional pump-probe and know-how transient grating techniques.

Measurements of luminescence under stationary and quasistationary conditions and with nanosecond time resolution in UV-VIS spectral region

The nanosecond luminescence spectroscopy setup is used for luminescence measurements in UV-VIS spectral regions. Luminescence measurements under stationary and quasi-stationary conditions, and with nanosecond time resolution in a spectral range of 180-850 nm can be performed using this setup.

Measurements of luminescence under stationary and quasistationary conditions in NIR spectral region

NIR spectrometer with InGaAs-based CCD camera is used for luminescence measurements in NIR spectral region.

Spatially-resolved photoluminescence measurements by scanning near-field optical microscope (SNOM)

Scanning near-field optical microscope (SNOM) is used to study spatial distribution of photoluminescence. The SNOM probe with the aperture smaller than the wavelength is placed in contact with the sample.

Spatially-resolved photoluminescence measurements by confocal microscope

Confocal microscope is used to study spatial distribution of photoluminescence parameters. Confocal microscope enables to detected light emission only from the focal plane of the objective.

Characterization of surface morphology with atomic force microscope (AFM)

Atomic force microscope employs a sharp probe to study surface roughness. The probe bends as it encounters surface roughness.

In-situ measurements of evolution of the radiation defects in semiconductor materials during irradiation by high energy particles

In situ control of carrier lifetime changes under introduction of radiation defects during irradiation by high energy particles.

Measurements of carrier lifetime and its temperature as well as bias illumination dependent variations

The microwave probed photoconductivity transients are recorded under temperature and bias illumination changes. Alternatively, carrier lifetime variations n-situ during irradiation of high energy particles are examined.

Measurements of carrier lifetime and its lateral as well as depth distribution in semiconductor materials

Determination of carrier lifetime in semiconductor materials. Lifetime measurement up to 1 ns, microwave response sensitivity ~ 0.5 mV. One sample at a time. Computer controlled measurements.

Recording of the deep level spectra and analysis of their variations under technological procedures

The standard and specialized regimes are applied to record capacitance and/or current change spectra under thermal emission from deep levels.

Temperature and spectral scans of the barrier parameters in junction structures and devices made of Si, Ge, GaAs, GaN, Cu-CdS and Si solar-cells

These measurements are addressed to control of spatial, spectral and temperature changes of the barrier parameters in junction structures due to doping and formation of technological as well as heat treatment defects.

Measurements of the barrier parameters in junction structures and devices made of Si, Ge, GaAs, GaN, Cu-CdS and Si solar-cells

Measurement are carried out by using the BELIV-VU instrument which consists of pulsed generator of the linearly increasing voltage of a type RIGOL DG1022, an oscilloscope of a type Agilent Technologies DS05032A and PCB for sample mounting.

The combined examination of current and capacitance characteristics for control of junction structures and measurements of the main operational parameters

Computer controlled temperature scanner of the current-voltage and capacitance-voltage characteristics, produced at Vilnius University, measures in the range of 0 – 600 V bias voltage and of 100-300 K temperatures. The C-V characteristics are measured in the range of 10-2´10⁶ Hz using small test signals (20-100 mV).

Deep level photo-ionization spectroscopy

The steady-state and pulsed regimes are available. These techniques allow identification of defect attributed deep levels in semiconducting materials and semiconductor devices. Non-metallized areas should be available for the photo-excitation.

Monitoring and dosimetry of large fluence irradiations

Analysis of the electric and transport characteristics of Si PIN diodes irradiated within environment under monitoring and carrier lifetime measurements.

Investigation of molecule optical poling

The optical poling set-up provides creation of second order non-linear optical susceptibility gratings in a volume by mixing coherent first and second Nd:YAG laser harmonics.

Polishing

Materials polishing using silicon carbide abrasives. Polishing disc rotates at 250 RPM, sample holder rotates at 8 RPM.

Rapid thermal annealing

Semiconductor wafer thermal processing with furnace which can reach temperatures up to 1200 °C, furnance‘s chamber is vacuumable or it can be filled with nitrogen, oxygen or argon gases.

Reactive ion etching

This service provides possibility to dry etch various inorganic semiconductors mesa structures. Preferable size of the wafer is 2’’but it is possible to etch the samples up to 8'' in diameter. Etch aspect ratio is 20:1.

Material chracterization by Hall method

Material chracterization by Hall method. Primary application for measuring resistivity, mobility, and carrier concentration.

Four point probe resistance measurements

Sheet resistance and bulk resistance measurements. A constant current is applied to two probes and the potential on the other two central probes. The measured data can be transferred and saved in to computer.

Electron beam induced current measurements (EBIC)

Invesitigation of carrier diffusion length, spatial distribution of defects by GATAN SmartEBIC equipment. The equipment is designed for investigating the electrical properties of semiconductor materials and p-n junctures (measurement of diffusion distance distances, coupling, or surface electrical conductivity mapping).

Spatial chemical composition analysis with energy dispersive X-ray spectrometer

Spatial chemical composition analysis of solid state samples with energy dispersive X-ray spectrometer (EDX/EDS) of a scanning electron microscope (EMS) CamScan Apollo 300. Mapping of spatial distribution of chemical elements on the surface of the investigated sample.

Investigation of solid state sample surface with scanning electron microscope

Investigation of morphology of solid state sample surface with scanning electron microscope (SEM) CamScan Apollo 300.

MOCVD epitaxy of III nitrides

MOCVD epitaxy of III nitrides layers (GaN, AlN, InN, AlGaN, InGaN, InAlN, BGaN) and structures on sapphire, SiC, GaN, Si. Substrates for various optoelectronic devices.

Solid state lighting prototyping and pilot production

Fully equipped R&D SMT assembly in small quantities. Three-dimensional milling machine allows to perform mechanical prototype fabrication and testing.

Optimization of spectral paramters for specific tasks in lighting systems

Service includes multicolour light source spectral power distribution optimization with the aim to meet certain pre-defined conditions.

Optical, electrical, and thermal properties measurements for light sources and devices

We are capable to carry out a full characterization of light sources.

Sample preparation for optical measurements

Preparation of films and solutions of organic compounds for optical measurements. Spin-coating of films from solutions. Weighing of materials and preparation of solutions with preferable concentration. Cleaning of substrates with UV-ozone, plasma, organic solvents.

Expert consultation of technological companies on issues related to synthesis and characterization of organic compounds

Application. Expert consultation of technological companies on issues related to synthesis and characterization of organic compounds would help to find new chemical routes for the synthesis of new materials with preferable photophysical properties in the shortest time.

Evaluation of sample morphology using optical – fluorescence microscope

Evaluation of film forming properties and morphology of fluorescent and non-fluorescent organic films using optical-fluorescence microscope.

Measurements of reflectance spectra of highly scattering samples

Measurement of reflectance spectra of highly light scattering surfaces in the wavelength range from 200 nm to 2500 nm.

Colloid nanoparticle size measurements by dynamic light scattering method (from 0.6 nm to 5000 nm)

The evaluation of hydrodynamic radius distribution of colloidal nanoparticles by dynamic light scattering method.

Photostability determination

Photostability determination of solutions and films of organic compounds. The photostability is evaluated by measuring fluorescence and phosphorescence intensity dependence on time using light emitting diode, xenon lamp or laser as the excitation source.

Stimulated emission threshold determination using thin stripe method

Determination of stimulated emission threshold of organic compounds in solutions and films using thin stipe method. One sample per measurement.

Exciton diffusion coefficient and diffusion length determination in organic compounds

Exciton diffusion coefficient and diffusion length is determined by measuring fluorescence transients of samples with different concentration of fluorescence quencher (PCBM-fullerene derivative) and performing Monte Carlo simulation of 3D exciton diffusion in the investigating medium with a randomly distributed fluorescence quenchers.

Fluorescence and phosphorescence quantum yield determination using integrating sphere and by comparing with etalon material methods

Fluorescence and phosphorescence quantum yield determination.

Measurements of absorption, fluorescence and phosphorescence spectra of organic compounds

Determination of the distribution of hydrodynamic radius of colloidal nanoparticles by dynamic light scattering method.

Synthesis of organic compounds, a working out of synthesis routes and processes, suitable for scaling

Synthesis methods for nitrogen and sulphur heterocycles, highly branched aromatic compounds.