Magneto-optical Kerr microscope (KERR-MICROSCOPE)
Guarantor:
Michal Urbánek, Ph.D.
Instrument status:
Operational, 17.8.2021 12:15
Equipment placement:
CEITEC Nano - C01.05
Kerr Microscope system is facility for the visualisation of magnetic domains and magnetization processes as well as for optically recording magnetization curves on all kinds of magnetic materials, including bulk specimens like sheets or ribbons, magnetic films and multilayers, patterned films or micro- and nanowires. They are semi-automatic, contact-less, non-destructive measuring systems using the magneto-optical Kerr effect (MOKE) as contrast mechanism. Automatic off-axial light system allows for automatic and simultaneous visualization of all the components of magnetization vector. The microscope is equipped with rotable in-plane magnet with maximum field of 0.3 T with possibility of cooling, or a home made out-of-plane magnet with maximum field of 0.1 T (no magnet cooling available).
Publications:
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DODD, S.; GUDINO, N.; ZADOROZHNII, O.; STAŇO, M.; HAJDUČEK, J.; ARREGI URIBEETXEBARRIA, J.; MORRIS, H.; UHLÍŘ, V.; BARBIC, M.; KORETSKY, A., 2025: Field switching of microfabricated metamagnetic FeRh MRI contrast agents. SCIENTIFIC REPORTS 15(1), p. 1 - 10, doi: 10.1038/s41598-025-85384-6; FULL TEXT
(MAGNETRON, VERSALAB, MIRA-EBL, EVAPORATOR, RIE-FLUORINE, ICON-SPM, KERR-MICROSCOPE) -
TAKHSHA, M.; SINGH, V.; LEDIEU, J.; FABBRICI, S.; CASOLI, F.; MEZZADRI, F.; HORKÝ, M.; FOURNEE, V.; UHLÍŘ, V.; ALBERTINI, F., 2025: Magnetic Manipulation of Spatially Confined Multiferroic Heuslers by Martensitic Microstructure Engineering. SMALL STRUCTURES 6(11), p. 1 - 12, doi: 10.1002/sstr.202500284; FULL TEXT
(VERIOS, VERSALAB, SUSS-MA8, RIE-FLUORINE, KERR-MICROSCOPE) -
KLÍMA, J.; WOJEWODA, O.; ROUČKA, V.; MOLNÁR, T.; HOLOBRÁDEK, J.; URBÁNEK, M., 2024: . APPLIED PHYSICS LETTERS 124(11), doi: 10.1063/5.0189394; FULL TEXT
(BRILLOUIN, EVAPORATOR, LYRA, KERR-MICROSCOPE, RAITH, ICON-SPM) -
LEJEUNE, N.; FOURNEAU, E.; BARRERA, A.; MORRIS, O.; LEONARD, O.; ARREGI URIBEETXEBARRIA, J.; NAVAU, C.; UHLÍŘ, V.; BENDING, S.; PALAU, A.; SILHANEK, A., 2024: . APL MATERIALS 12(7), p. 1 - 7, doi: 10.1063/5.0217500; FULL TEXT
(KERR-MICROSCOPE) -
Opršal, J., 2024: . MASTER'S THESIS , p. 1 - 48; FULL TEXT
(MAGNETRON, RIGAKU9, KERR-MICROSCOPE, ULTRAFAST-LASER)
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Otýpka, M., 2024: . BACHELOR'S THESIS , p. 1 - 56; FULL TEXT
(MAGNETRON, VERSALAB, DWL, WIRE-BONDER, KERR-MICROSCOPE) -
Štindl, J., 2024: . BACHELOR'S THESIS , p. 1 - 44; FULL TEXT
(VERSALAB, KERR-MICROSCOPE, HELIOS, SAW-ACCUTOM, US-CUTTER, TITAN) -
WOJEWODA, O.; HOLOBRÁDEK, J.; PAVELKA, D.; PRIBYTOVA, E.; KRČMA, J.; KLÍMA, J.; PANDA, J.; MICHALIČKA, J.; LEDNICKÝ, T.; CHUMAK, A.; URBÁNEK, M., 2024: . APPLIED PHYSICS LETTERS 125(13), p. 1 - 6, doi: 10.1063/5.0218478; FULL TEXT
(TITAN, BRILLOUIN, KERR-MICROSCOPE, MAGNETRON, EVAPORATOR, RAITH, VERSALAB) -
Fourneau, E.; Arregi, J.A.; Barrera, A.; Nguyen, ND.; Bending, S.; Sanchez, A.; Uhlir, V.; Palau, A.; Silhanek, A.V. , 2023: . ADVANCED MATERIALS TECHNOLOGIES 8(16), p. 1 - 9, doi: 10.1002/admt.202300177; FULL TEXT
(KERR-MICROSCOPE) -
ARREGI URIBEETXEBARRIA, J.; RINGE, F.; HAJDUČEK, J.; GOMONAY, O.; MOLNÁR, T.; JASKOWIEC, J.; UHLÍŘ, V., 2023: . JOURNAL OF PHYSICS: MATERIALS 6(3), p. 1 - 15, doi: 10.1088/2515-7639/acce6f; FULL TEXT
(MAGNETRON, KERR-MICROSCOPE, VERSALAB, RIGAKU9, ICON-SPM, HELIOS, TITAN) -
PRADHAN, G.; CELEGATO, F.; MADRI, A.; COISSON, M.; BARRERA, G.; MIKULIČKOVÁ, L.; ARREGI URIBEETXEBARRIA, J.; ČELKO, L.; UHLÍŘ, V.; RIZZI, P.; TIBERTO, P., 2023: . JOURNAL OF SCIENCE-ADVANCED MATERIALS AND DEVICES 8(3), p. 1 - 8, doi: 10.1016/j.jsamd.2023.100608; FULL TEXT
(KERR-MICROSCOPE) -
Hnilica, J., 2023: . MASTER'S THESIS ; FULL TEXT
(MAGNETRON, VERSALAB, RIGAKU9, SUSS-RCD8, DWL, WIRE-BONDER, KERR-MICROSCOPE) -
Molnár, T., 2023: . MASTER'S THESIS , p. 1 - 73; FULL TEXT
(MAGNETRON, RIGAKU9, KERR-MICROSCOPE, TITAN) -
Klíma, J., 2023: . BACHELOR'S THESIS , p. 1 - 69; FULL TEXT
(MIRA-EBL, LYRA, ICON-SPM, KERR-MICROSCOPE, BRILLOUIN, EVAPORATOR) -
Opršal, J., 2022: . BACHELOR'S THESIS , p. 1 - 35; FULL TEXT
(KERR-MICROSCOPE, ULTRAFAST-LASER) -
Velič, A., 2022: . BACHELOR'S THESIS , p. 1 - 42; FULL TEXT
(MAGNETRON, VERSALAB, KERR-MICROSCOPE, ULTRAFAST-LASER) -
PRADHAN, G.; CELEGATO, F.; BARRERA, G.; OLIVETTI, E.S.; COISSON, M.; HAJDUČEK, J.; ARREGI URIBEETXEBARRIA, J.; ČELKO, L.; UHLÍŘ, V.; RIZZI, P.; TIBERTO, P., 2022: . SCIENTIFIC REPORTS 12(1), p. 17503 - 11, doi: 10.1038/s41598-022-21589-3; FULL TEXT
(HELIOS, TITAN, KERR-MICROSCOPE) -
Holobrádek, J., 2022: . TREATISE TO STATE DOCTORAL EXAM , p. 1 - 26
(VERIOS, HELIOS, KERR-MICROSCOPE, MAGNETRON, KAUFMAN) -
Turčan, I., 2022: . PH.D. THESIS , p. 1 - 117; FULL TEXT
(LYRA, BRILLOUIN, ICON-SPM, MIRA-EBL, KERR-MICROSCOPE, HELIOS) -
Vaňatka, M., 2021: . PH.D. THESIS , p. 1 - 113; FULL TEXT
(VERSALAB, VNA-MPI, TITAN, BRILLOUIN, MIRA-EBL, RAITH, KERR-MICROSCOPE, MAGNETRON, EVAPORATOR, VERIOS, WIRE-BONDER, LYRA) -
GHAHFAROKHI, M.; ARREGI URIBEETXEBARRIA, J.; CASOLI, F.; HORKÝ, M.; CABASSI, R.; UHLÍŘ, V.; ALBERTINI, F., 2021: . APPLIED MATERIALS TODAY 23, p. 101058-1 - 11, doi: 10.1016/j.apmt.2021.101058; FULL TEXT
(VERSALAB, RIGAKU9, KERR-MICROSCOPE, SUSS-MA8, RIE-FLUORINE, EVAPORATOR, WIRE-BONDER, VERIOS) -
Zadorozhnii, O., 2021: . MASTER'S THESIS , p. 1 - 81; FULL TEXT
(MAGNETRON, VERSALAB, KERR-MICROSCOPE, RAITH, RIE-FLUORINE, UHV-DEPOSITION, UHV-PREPARATION, UHV-XPS, LYRA) -
Molnár, T., 2021: . BACHELOR'S THESIS , p. 1 - 52; FULL TEXT
(MAGNETRON, KERR-MICROSCOPE) -
Dhankhar, M.;, 2021: . PH.D. THESIS , p. 1 - 100; FULL TEXT
(KERR-MICROSCOPE, DWL, MIRA-EBL, RAITH, KAUFMAN, EVAPORATOR, MAGNETRON, ALD-FIJI, WIRE-BONDER, SUSS-RCD8, ICON-SPM) -
TURČAN, I.; FLAJŠMAN, L.; WOJEWODA, O.; ROUČKA, V.; MAN, O.; URBÁNEK, M., 2021: . APPLIED PHYSICS LETTERS 118(9), p. 1 - 5, doi: 10.1063/5.0041138; FULL TEXT
(HELIOS, RAITH, KERR-MICROSCOPE, VERSALAB, VNA-MPI, BRILLOUIN, LYRA, ICON-SPM) -
Wojewoda, O.; Hula, T.; Flajsman, L.; Vanatka, M.; Gloss, J.; Holobradek, J.; Stano, M.; Stienen, S.; Korber, L.; Schultheiss, K.; Schmid, M.; Schultheiss, H.; Urbanek, M , 2020: . APPLIED PHYSICS LETTERS 117(2), p. 022405-1 - 5, doi: 10.1063/5.0013692; FULL TEXT
(EVAPORATOR, KERR-MICROSCOPE, BRILLOUIN, MIRA-EBL, LYRA, ICON-SPM) -
Holobrádek, J., 2020: . MASTER´S THESIS , p. 1 - 70
(HELIOS, RIGAKU9, KERR-MICROSCOPE) -
FLAJŠMAN, L.; WAGNER, K.; VAŇATKA, M.; GLOSS, J.; KŘIŽÁKOVÁ, V.; SCHMID, M.; URBÁNEK, M.; SCHULTHEISS, H., 2020: . PHYSICAL REVIEW B 101(1), p. 014436-1 - 7, doi: 10.1103/PhysRevB.101.014436; FULL TEXT
(KERR-MICROSCOPE, LYRA) -
Flajšman, L., 2020: . PH.D. THESIS , p. 1 - 152; FULL TEXT
(KERR-MICROSCOPE, BRILLOUIN, LYRA) -
Motyčková, L., 2020: . MASTER'S THESIS , p. 1 - 90; FULL TEXT
(MAGNETRON, VERSALAB, RIGAKU9, VERIOS, KERR-MICROSCOPE, ICON-SPM) -
Wojewoda, O., 2020: . MASTER'S THESIS ; FULL TEXT
(BRILLOUIN, EVAPORATOR, MIRA-EBL, KERR-MICROSCOPE, LYRA, ICON-SPM) -
GLOSS, J.; HORKÝ, M.; KŘIŽÁKOVÁ, V.; FLAJŠMAN, L.; SCHMID, M.; URBÁNEK, M.; VARGA, P., 2019: . APPLIED SURFACE SCIENCE 469, p. 747 - 6, doi: 10.1016/j.apsusc.2018.10.263; FULL TEXT
(KERR-MICROSCOPE, UHV-DEPOSITION, UHV-PREPARATION, UHV-XPS, LYRA, ICON-SPM) -
Křižáková, V., 2018: . MASTER'S THESIS , p. 1 - 83
(HELIOS, MIRA-EBL, EVAPORATOR, WIRE-BONDER, KERR-MICROSCOPE, LYRA, ICON-SPM) -
URBÁNEK, M.; FLAJŠMAN, L.; KŘIŽÁKOVÁ, V.; GLOSS, J.; HORKÝ, M.; SCHMID, M.; VARGA, P., 2018: . APL MATERIALS 6(6), p. 060701-1 - 7, doi: 10.1063/1.5029367; FULL TEXT
(HELIOS, UHV-XPS, UHV-PREPARATION, UHV-DEPOSITION, RIGAKU9, KERR-MICROSCOPE, LYRA, ICON-SPM)
Photogallery:
Specification:
Both in-plane and out-of plane magnets are controlled by current KEPCO source available at the instrument. The in-plane magnet has several options in terms of field ranges, depending on the combination of coil (small or large) and the poles (no poles / split poles / high field poles). Overview of the field ranges for the combinations is seen in the table below. For higher DC fields/AC fields/longer measurement times the cooling for the IP magnet is avalable. The out-of plane magnet is a home made magnet with range approx. ±0.1 T without any cooling possibility.
| No poles | Split poles | High field poles | |
|---|---|---|---|
| Small coil | ±1.78 mT, linear | ±17.5 mT, linear | not used |
| Big coil | ±37.6 mT, linear | ±337 mT | ±353 mT (poles 10 mm out) ±537 mT (poles 6 mm out) ± 756 mT (poles 4 mm out) |
The measurement sowftware allows the user to choose the LED lamp control option for Kerr sensitivities (longitudinal+polar / transversal+polar / longitudinal+transversal / polar / pure longitudinal / pure transversal), define a region of interest (ROI) on a part of the sample, perform measurements in the 'looper' where one can define hysteresis loop measurements and save images for each step during loop measurements, save images in the manual mode, etc. Further the data can be processed in an additional SW (e.g. video from image sequences, plotting a profile, additional manual bacground subtraction, etc.).
Current lenses available:
- 20x, NA 0.5, Pol
- 50x, NA 0.8 Pol (NM)
- 60x, NA 0.7 Nikon lense + adapter
- 100x, NA 1.3 Oil Pol (NM)
- 50x, NA 0.75 HD (previous with microscope)
- 100x, NA 0.85 HD (previous with microscope)
Documents:
Link to official instrument manuals (access for CEITEC Nano users only after login):
official instrument manuals - KERR
For more documentation created by CEITEC Nano see the "Document Library" section.
+420 54114 9207
nano@ceitec.vutbr.cz
