NIR-UV spectroscopic ellipsometer J. A. Woollam V-VASE

The VASE is most accurate and versatile ellipsometer for research on all types of materials: semiconductors, dielectrics, polymers, metals, multi-layers, and more. It combines high accuracy and precision with a wide spectral range from 193 to 2000nm. Variable wavelength and angle of incidence allow flexible measurement capabilities, absolute transmissivity and light scattering can be also measured.

Specification

Features

Spectral range 1.7 to 30 microns (333 to 5900 wavenumbers)
Sample holder vertical

Gallery

Publications

FAWAEER, S.; AL-QAISI, W.; SEDLÁKOVÁ, V.; MOUSA, M.; KNÁPEK, A.; SOBOLA, D., 2026: Non-epitaxial integration of strain-tuned polycrystalline BiFeO3 thin films for silicon-based optoelectronics. OPTICAL MATERIALS 169, doi: 10.1016/j.optmat.2025.117577 (RIGAKU3, KRATOS-XPS, UHV-PLD, VERIOS, ICON-SPM, WOOLLAM-VIS, MAGNETRON)

Hajduček, J.; Andrieux, A.; Arregi, J. A.; Tichý, M.; Cattaneo, P.; Ferrari, B.; Carbone, F.; Uhlíř, V.; LaGrange, T., 2026: Dislocation-driven nucleation type switching across repeated ultrafast magnetostructural phase transition. PHYSICAL REVIEW B 113 (1), doi: 10.1103/k8nj-p557 (MAGNETRON, RIGAKU9, VERSALAB, WOOLLAM-VIS)

Pham, N. S.; Huong, N. Q.; Pazourek, P.; Meduna, M.; Caha, O.; Hong, N. H., 2025: Pristine SnO2 thin films: origins of high Curie temperature. APPLIED PHYSICS A 131 (11), doi: 10.1007/s00339-025-09031-7 (LYRA, WOOLLAM-VIS, KRATOS-XPS, CRYOGENIC)

FAWAEER, S.; AL-QAISI, W.; SEDLÁKOVÁ, V.; MOUSA, M.; KNÁPEK, A.; SOBOLA, D., 2025: Substrate-temperature-driven phase stabilization and strain modulation in BiFeO3/Ti/Si heterostructures for scalable silicon integration. JOURNAL OF ALLOYS AND COMPOUNDS 1047, doi: 10.1016/j.jallcom.2025.184949 (VERIOS, KRATOS-XPS, ICON-SPM, WOOLLAM-VIS)

Franta, D.; Vohánka, J.; Dvořák, J.; Franta, P.; Ohlídal, I.; Klapetek, P.; Březina, J.; Škoda, D., 2025: Wide spectral range optical characterization of tantalum pentoxide (Ta 2 O 5 ) films by the universal dispersion model. OPTICAL MATERIALS EXPRESS 15 (4), doi: 10.1364/OME.550708 (WOOLLAM-MIR, WOOLLAM-VIS, VUVAS)

Pham, N. S.; Hong, N. H., 2025: Modulation of room temperature ferromagnetism in WO3 thin films on low-cost Si wafers. SOLID STATE COMMUNICATIONS 397, doi: 10.1016/j.ssc.2024.115807 (LYRA, KRATOS-XPS, VERSALAB, RIGAKU3, ICON-SPM, WOOLLAM-VIS)

JANŮŠOVÁ, M.; NEČAS, D.; NAVASCUES, P.; HEGEMANN, D.; GAVRANOVIĆ, S.; ZAJÍČKOVÁ, L., 2025: Insight into plasma polymerization with a significant contribution of etching to the deposition process. SURFACE & COATINGS TECHNOLOGY 503, doi: 10.1016/j.surfcoat.2025.131962 (KRATOS-XPS, DEKTAK, WOOLLAM-VIS)

KEPIČ, P.; HORÁK, M.; KABÁT, J.; HÁJEK, M.; KONEČNÁ, A.; ŠIKOLA, T.; LIGMAJER, F., 2025: Coexisting Phases of Individual VO2 Nanoparticles for Multilevel Nanoscale Memory. ACS NANO 19 (1), p. 1167 - 1176, doi: 10.1021/acsnano.4c13188 (WOOLLAM-VIS, TITAN)

ABADIZAMAN, F.; MUNZAR, D.; KIABA, M.; DUBROKA, A., 2024: Optical signatures of strain-induced ferromagnetism in a LaCoO3 thin film. PHYSICAL REVIEW B, p. 235151-1 - 8, doi: 10.1103/PhysRevB.110.235151 (WOOLLAM-MIR, WOOLLAM-VIS, VERSALAB, RIGAKU9)

KEPIČ, P.; LIŠKA, P.; IDESOVÁ, B.; CAHA, O.; LIGMAJER, F.; ŠIKOLA, T., 2024: Pulsed laser deposition of Sb2S3 films for phase-change tunable nanophotonics. NEW JOURNAL OF PHYSICS 26 (1), p. 1 - 8, doi: 10.1088/1367-2630/ad1696 (ICON-SPM, KRATOS-XPS, LYRA, ALD-FIJI, WITEC-RAMAN, RIGAKU9, WOOLLAM-VIS)

Hong, N. H.; Friák, M.; Pazourek, P.; Pham, N. S.; Nhu, T. Q.; Kiaba, M.; Gazdová, K.; Pavlů, J., 2024: 2D nature of magnetic states at SnO2 surfaces: a combined experimental and theoretical study. RSC ADVANCES 14 (19), p. 13583 - 13590, doi: 10.1039/D4RA00734D (RIGAKU3, UHV-PLD, VERSALAB, WOOLLAM-VIS, KRATOS-XPS)

Castellano, A.; Alhada-Lahbabi, K.; Arregi, JA.; Uhlir, V.; Perrin, B.; Gourdon, C.; Fournier, D.; Verstraete, MJ.; Thevenard, L., 2024: Magnetic phase dependency of the thermal conductivity of FeRh from thermoreflectance experiments and numerical simulations. PHYSICAL REVIEW MATERIALS 8 (8), doi: 10.1103/PhysRevMaterials.8.084411 (MAGNETRON, VERSALAB, RIGAKU9, WOOLLAM-VIS)

MATTERN, M.; PUDELL, J.; ARREGI URIBEETXEBARRIA, J.; ZLÁMAL, J.; KALOUSEK, R.; UHLÍŘ, V.; RÖSSLE, M.; BARGHEER, M., 2024: Accelerating the Laser-Induced Phase Transition in Nanostructured FeRh via Plasmonic Absorption. ADVANCED FUNCTIONAL MATERIALS 34 (32), doi: 10.1002/adfm.202313014 (MAGNETRON, VERSALAB, RIGAKU9, ICON-SPM, WOOLLAM-VIS)

BIJALWAN, V.; KAŠTYL, J.; ERHART, J.; PRAJZLER, V.; TOFEL, P.; SOBOLA, D.; VELAZQUEZ, J.; GALUSEK, D.; MACA, K., 2024: Optical and electrical performance of translucent BaTiO3-BaSnO3 ceramics. CERAMICS INTERNATIONAL 50 (16), p. 28123 - 10, doi: 10.1016/j.ceramint.2024.05.111 (RIGAKU3, VERIOS, WITEC-RAMAN, WOOLLAM-VIS)

Grümbel, J.; Goldhahn, R.; Feneberg, M.; Oshima, Y.; Dubroka, A.; Ramsteiner, M., 2024: Band gaps and phonons of quasi-bulk rocksalt ScN. PHYSICAL REVIEW MATERIALS 8 (7), doi: 10.1103/PhysRevMaterials.8.L071601 (WOOLLAM-MIR, WOOLLAM-VIS, FTIR)

Iudica, A.; Rotta Loria, S.; Mancarella, C.; Mascaretti, L.; Naldoni, A.; Cerullo, G.; Li Bassi, A.; Zavelani‐Rossi, M., 2024: Real‐Time Detection of Coherent Vibrational Dynamics in TiN Films. ADVANCED OPTICAL MATERIALS 12 (30), doi: 10.1002/adom.202401390 (WOOLLAM-VIS)

Slovák, R., 2024: Experimental measurement of dielectric functions using ellipsometry. BACHELOR'S THESIS, p. 1 - 45 (EVAPORATOR, WOOLLAM-VIS, ICON-SPM)

Rotta Loria, S.; Bricchi, B. R.; Schirato, A.; Mascaretti, L.; Mancarella, C.; Naldoni, A.; Li Bassi, A.; Della Valle, G.; Zavelani‐Rossi, M., 2023: Unfolding the Origin of the Ultrafast Optical Response of Titanium Nitride. ADVANCED OPTICAL MATERIALS 11 (15), doi: 10.1002/adom.202300333 (WOOLLAM-VIS)

Hale, N.; Hartl, M.; Humlicek, J.; Brüne, C.; Kildemo, M., 2023: Dielectric function and band gap determination of single crystal CuFeS2 using FTIR-VIS-UV spectroscopic ellipsometry. OPTICAL MATERIALS EXPRESS 13 (7), p. 2020 - 16, doi: 10.1364/OME.493426 (WOOLLAM-MIR, WOOLLAM-VIS)

Duchaň; M., 2023: Study of optical response of ferromagnetic manganese oxides. BACHELOR'S THESIS, p. 1 - 31 (WOOLLAM-MIR, WOOLLAM-VIS, RIGAKU9)

Franta, D.; Vohánka, J.; Dvořák, J.; Franta, P.; Ohlídal, I.; Klapetek, P.; Březina, J.; Škoda, D., 2023: Optical Characterization of Gadolinium Fluoride Films Using Universal Dispersion Model. COATINGS 13 (2), doi: 10.3390/coatings13020218 (WOOLLAM-VIS, FTIR)

BIJALWAN, V.; KAŠTYL, J.; PRAJZLER, V.; ERHART, J.; POUCHLÝ, V.; MACA, K., 2023: (Ba,Ca)(Ti,Zr)O3-CeO2 translucent and opaque ceramics - Optical and electromechanical characteristics. JOURNAL OF THE EUROPEAN CERAMIC SOCIETY 43 (2), p. 341 - 9, doi: 10.1016/j.jeurceramsoc.2022.10.022 (VERIOS, WOOLLAM-VIS)

Zahradník, M.; Kiaba, M.; Espinoza, S.; Rebarz, M.; Andreasson, J.; Caha, O.; Abadizaman, F.; Munzar, D.; Dubroka, A., 2022: Photoinduced insulator-to-metal transition and coherent acoustic phonon propagation in LaCoO3 thin films explored by femtosecond pump-probe ellipsometry. PHYSICAL REVIEW B 105 (23), doi: 10.1103/PhysRevB.105.235113 (WOOLLAM-MIR, WOOLLAM-VIS, UHV-PLD, RIGAKU9)

Červeň, M., 2022: Optical response of interband transitions in LaFeO3. BACHELOR'S THESIS (WOOLLAM-VIS)

MICHLÍČEK, M.; BLAHOVÁ, L.; DVOŘÁKOVÁ, E.; NEČAS, D.; ZAJÍČKOVÁ, L., 2021: Deposition penetration depth and sticking probability in plasma polymerization of cyclopropylamine. APPLIED SURFACE SCIENCE 540, p. 1 - 10, doi: 10.1016/j.apsusc.2020.147979 (WOOLLAM-VIS, LYRA, FTIR, KRATOS-XPS)

KEPIČ, P.; LIGMAJER, F.; HRTOŇ, M.; REN, H.; MENEZES, L.; MAIER, S.; ŠIKOLA, T., 2021: Optically Tunable Mie Resonance VO2 Nanoantennas for Metasurfaces in the Visible. ACS PHOTONICS 8 (4), p. 1048 - 10, doi: 10.1021/acsphotonics.1c00222 (EVAPORATOR, MIRA-EBL, WITEC-RAMAN, WOOLLAM-VIS)

MASCARETI, L.; BARMAN, T.; BRICCHI, BC.; MÜNZ, F.; LI BASSI, A.; KMENT, Š.; NALDONI, A., 2021: Controlling the plasmonic properties of titanium nitride thin films by radiofrequency substrate biasing in magnetron sputtering. APPLIED SURFACE SCIENCE 554, p. 149543-1 - 9, doi: 10.1016/j.apsusc.2021.149543 (WOOLLAM-VIS)

ZAZPE MENDIOROZ, R.; SOPHA, H.; CHARVOT, J.; KRUMPOLEC, R.; RODRIGUEZ PEREIRA, J.; MICHALIČKA, J.; MISTRÍK, J.; BAČA, D.; MOTOLA, M.; BUREŠ, F.; MACÁK, J., 2021: 2D MoTe2 nanosheets by atomic layer deposition: Excellent photo-electrocatalytic properties. APPLIED MATERIALS TODAY 23, p. 1 - 11, doi: 10.1016/j.apmt.2021.101017 (TITAN, WOOLLAM-VIS)

KODAMA, J.; HARUMNINGTYAS, A.; ITO, T.; MICHLÍČEK, M.; SUGIMOTO, S.; KITA, H.; CHIJIMATSU, R.; UKON, Y.; KUSHIOKA, J.; OKADA, R.; KAMATANI, T.; HASHIMOTO, K.; TATEIWA, D.; TSUKAZAKI, H.; NAKAGAWA, S.; TAKENAKA, S.; MAKINO, T.; SAKAI, Y.; NEČAS, D.; ZAJÍČKOVÁ, L.; HAMAGUCHI, S.; KAITO, T., 2021: Amine modification of calcium phosphate by low-pressure plasma for bone regeneration. SCIENTIFIC REPORTS 11 (1), p. 1 - 15, doi: 10.1038/s41598-021-97460-8 (WOOLLAM-VIS)

Číž, T., 2020: X-ray diffraction analysis of oxide layers. MASTER'S THESIS (KRATOS-XPS, WOOLLAM-VIS, RIGAKU9, UHV-PLD, SIMS)

Papez, N; Gajdos, A; Sobola, D; Dallaev, R; Macku, R; Skarvada, P; Grmela, L, 2020: Effect of gamma radiation on properties and performance of GaAs based solar cells. APPLIED SURFACE SCIENCE 527, p. 146766-1 - 146766-11, doi: 10.1016/j.apsusc.2020.146766 (LYRA, WOOLLAM-VIS, SIMS, FTIR, WITEC-RAMAN)

Vida, J., 2019: Deposition of ternary oxides with titanium and characterization of their optical and electrical properties. MASTER'S THESIS, p. 1 - 50 (KRATOS-XPS, ALD-FIJI, WOOLLAM-VIS, VUVAS, RIGAKU3, EVAPORATOR, SUSS-MA8, SUMMIT)

Pokorný, D., 2019: Morphology study of ultra thin layers by XPS analysis of multiple peaks of a single element. MASTER'S THESIS, p. 1 - 71 (KRATOS-XPS, WOOLLAM-VIS, ALD-FIJI)

SOBOLA, D.; KASPAR, P.; NEBOJSA, A.; HEMZAL, D.; GRMELA, L.; SMITH, S., 2019: Characterization of the native oxide on CdTe surfaces. MATERIALS SCIENCE-POLAND 37 (2), p. 1 - 6, doi: 10.2478/msp-2019-0030 (WOOLLAM-VIS, VERIOS)

KASPAR, P.; SOBOLA, D.; DALLAEV, R.; RAMAZANOV, S.; NEBOJSA, A.; REZAEE, S.; GRMELA, L., 2019: Characterization of Fe2O3 thin film on highly oriented pyrolytic graphite by AFM, Ellipsometry and XPS. APPLIED SURFACE SCIENCE 493, p. 673 - 6, doi: 10.1016/j.apsusc.2019.07.058 (EVAPORATOR, KRATOS-XPS, WOOLLAM-VIS, ICON-SPM)

KAUSHIK, P.; ELIÁŠ, M.; MICHALIČKA, J.; HEGEMANN, D.; PYTLÍČEK, Z.; NEČAS, D.; ZAJÍČKOVÁ, L., 2019: Atomic layer deposition of titanium dioxide on multi-walled carbon nanotubes for ammonia gas sensing. SURFACE AND COATINGS TECHNOLOGY 370, p. 235 - 9, doi: 10.1016/j.surfcoat.2019.04.031 (ALD-FIJI, EVAPORATOR, PECVD-NANOFAB, WOOLLAM-VIS, RIGAKU3, KRATOS-XPS, VERIOS, TITAN)

GABLECH, I.; SVATOŠ, V.; CAHA, O.; DUBROKA, A.; PEKÁREK, J.; KLEMPA, J.; NEUŽIL, P.; SCHNEIDER, M.; ŠIKOLA, T., 2019: Preparation of high-quality stress-free (001) aluminum nitride thin film using a dual kaufman ion-beam source setup. THIN SOLID FILMS 670, p. 105 - 8, doi: 10.1016/j.tsf.2018.12.035 (KAUFMAN, ICON-SPM, RIGAKU9, WOOLLAM-VIS)

Dvořák, P., 2018: Nanophotonics. PH.D. THESIS, p. 1 - 134 (LYRA, EVAPORATOR, FTIR, WOOLLAM-VIS)

Friš, P.; Munzar, D.; Caha, O.; Dubroka, A., 2018: Direct observation of double exchange in ferromagnetic La0.7Sr0.3CoO3 by broadband ellipsometry. PHYSICAL REVIEW B 97 (4), p. 045137-1 - 045137-5, doi: 10.1103/PhysRevB.97.045137 (WOOLLAM-MIR, WOOLLAM-VIS, RIGAKU9, FTIR, CRYOGENIC)

Ligmajer, F., 2018: Advanced plasmonic materials for metasurfaces and photochemistry. PH.D. THESIS, p. 1 - 142 (VERIOS, ICON-SPM, RIGAKU9, FTIR, WOOLLAM-VIS, TITAN)

TALU, S.; YADAV, R.; ŠIK, O.; SOBOLA, D.; DALLAEV, R.; SOLAYMANI, S.; MAN, O., 2018: How topographical surface parameters are correlated with CdTe monocrystal surface oxidation. MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING 85, p. 15 - 9, doi: 10.1016/j.mssp.2018.05.030 (VERIOS, WOOLLAM-VIS)

Fris, P.; Dubroka, A., 2017: Vacuum variable-angle far-infrared ellipsometer. APPLIED SURFACE SCIENCE 421, p. 430 - 434, doi: 10.1016/j.apsusc.2016.10.125 (FTIR, WOOLLAM-VIS)

KLENOVSKÝ, P.; ZŮDA, J.; KLAPETEK, P.; HUMLÍČEK, J., 2017: Ellipsometry of surface layers on a 1-kg sphere from natural silicon. APPLIED SURFACE SCIENCE 421, p. 542 - 5, doi: 10.1016/j.apsusc.2016.08.135 (WOOLLAM-VIS)

Dubroka, A; Caha, O; Hroncek, M; Fris, P; Orlita, M; Holy, V; Steiner, H; Bauer, G; Springholz, G; Humlicek, J, 2017: Interband absorption edge in the topological insulators Bi-2(Te1-xSex)(3). PHYSICAL REVIEW B 96 (23), doi: 10.1103/PhysRevB.96.235202 (FTIR, RIGAKU9, WOOLLAM-MIR, WOOLLAM-VIS)

Kukolova, A., 2017: Experimental study of electronic properties of manganites and electron stimulated desorption. MASTER'S THESIS, p. 1 - 91 (WOOLLAM-MIR, WOOLLAM-VIS, CRYOGENIC)

Details

Type of access
Full-service (paid), Self-service
Research area
Characterization
Category
Spectroscopy
Guarantor
Nebojsa, Alois
Site
CEITECNANO
Location
CEITEC Nano - C1.21