Ing. Ján FEDOR, PhD.

  • 2024

Gucmann, F., Meng, B., Chvála, A., Kúdela, R., Yuan, C., Ťapajna, M., Florovič, M., Egyenes, F., Eliáš, P., Hrubišák, F., Kováč, J.Jr., Fedor, J., and Gregušová, D.: Improved thermal performance of InGaAs/GaAs nanomembrane HEMTs transferred onto various substrates by epitaxial lift-off, ACS Applied Electron. Mater. 6 (2024) 5651–5660.

  • 2023

Izsák, T., Ščepka, T., Vanko, G., Fedor, J., Romanyuk, O., and Hudec, B.: Structuring of titanium nitride films by dry reactive ion etching. In Proc. 11th Inter. Conf. on Advances in Electron. Photon. Technol. – ADEPT. Eds. D. Jandura et al. Žilina: EDIS 2023. ISBN 978-80-554-1977-0. P. 150-153.

Ťapajna, M., Keshtkar, J., Szabó, O., Shagieva, E., Hušeková, K., Dobročka, E., Fedor, J., Dérer, J., Kromka, A., and Gucmann, F.: Growth of nanocrystalline diamond on gallium oxide using various interlayers. In Proc. 11th Inter. Conf. on Advances in Electron. Photon. Technol. – ADEPT. Eds. D. Jandura et al. Žilina: EDIS 2023. ISBN 978-80-554-1977-0. P. 28-31.

  • 2022

Krylov, S., Vetrova, I., Feilhauer, J., Fedor, J. Dérer, J., Šoltýs, J., and Cambel, V.: Improved durable vortex core MFM tip, J. Magnet. Magn. Mater. 555 (2022) 169357.

Hudec, B., Vanko, G., Precner, M., Dobročka, E., Seifertová, A., Fedor, J., Tóbik, J., and Fröhlich, K.: Piezoelectric thin film pressure sensor made by atomic layer deposition of 002-oriented ZnO on Si3N4 membrane. In: ASDAM 2022. Eds. J. Marek et al. IEEE 2022. ISBN 978-1-6654-6977-7. P. 199-202.

Horský, M., Nádaždy, P., Dobročka, E., Gregušová, D., Seifertová, A., Dérer, J., Fedor, J., Ščepka, T., and Hudec, B.: Electrical properties of Pt/TiO2/TiN structures grown by atomic layer deposition using TTIP and water. In: ASDAM 2022. Eds. J. Marek et al. IEEE 2022. ISBN 978-1-6654-6977-7. P. 37-40.

  • 2020

Šoltýs, J., Feilhauer, J., Vetrova, J., Tóbik, J., Bublikov, K., Ščepka, T., Fedor, J., Dérer, J., and Cambel, V.: Magnetic-field imaging using vortex-core MFM tip, Applied Phys. Lett. 116 (2020) 242406.

Hanzel, O., Lenčéš, Z., Kim, Y.-W., Fedor, J., and Šajgalík, P.: Highly electrically and thermally conductive silicon carbide-graphene composites with yttria and scandia additives, J. Europ. Ceramic Soc 40 (2020) 241-250.

  • 2018

Šoltýs, J., Precner, M., Fedor, J., and Cambel, V.: Tailored SPM probes for dual-tip force microscopy. In: NANOCON 2017. Brno: Tanger Ltd., 2018, p. 759-764. ISBN 978-8-0872-9481-9.

  • 2016

Moore, S., Plummer, G., Fedor, J., Pearson, J., Novosad, V., Karapetrov, G., Iavarone, M., : Doppler-scanning tunneling microscopy current imaging in superconductor-ferromagnet hybrids,. Applied Phys. Lett. 108 (2016) 042601.

  • 2015

Precner, M., Fedor, J., Šoltýs, J., Cambel, V., : Dual-tip magnetic force microscopy with suppressed influence on magnetically soft samples. Nanotechnol. 26 (2015) 055304.

Iavarone, M., Moore, S., Fedor, J., Novosad, V., Pearson, J., Karapetrov, G., : Influence of domain width on vortex nucleation in superconductor/ferromagnet hybrid structures. J. Supercond. Novel Magn. 28 (2015) 1107-1110.

Moore, S., Fedor, J., Iavarone, M., : Low-temperature scanning tunneling microscopy and spectroscopy measurements of ultrathin Pb films. Supercond. Sci Technol. 28 (2015) 045003.

  • 2014

Gregušová, D., Jurkovič, M., Haščík, Š., Blaho, M., Seifertová, A., Fedor, J., Ťapajna, M., Fröhlich, K., Vogrinčič, P., Liday, J., Derluyn, J., Germain, M., Kuzmík, J., : Adjustment of threshold voltage in AlN/AlGaN/GaN high-electron mobility transistors by plasma oxidation and Al2O3 atomic layer deposition overgrowth. Applied Phys. Lett. 104 (2014) 013506.

Precner, M., Fedor, J., Tóbik, J., Šoltýs, J., Cambel, V., : High resolution tips for switching magnetization MFM. Acta Phys. Polonica A 126 (2014) 386-387.

Barančeková Husaníková, P., Cambel, V., Fedor, J., Šoltýs, J., Karapetrov, G., : Magnetization studies of Cu0.058TiSe2 near a quantum critical point. Acta Phys. Polonica A 126 (2014) 336-337.

Jančovič, P., Hudec, B., Dobročka, E., Dérer, J., Fedor, J., Fröhlich, K., : Resistive switching in HfO2-based atomic layer deposition grown metal-insulator-metal structures. Applied Surface Sci 312 (2014) 112-116.

Hudec, B., Paskaleva, A., Jančovič, P., Dérer, J., Fedor, J., Rosová, A., Dobročka, E., Fröhlich, K., :Resistiveswitching in TiO2-based metal-insulator-metal structures with Al2O3 barrier layer at the metal/dielectric interface. Thin Solid Films 563 (2014) 10-14.

Iavarone, M., Moore, S., Fedor, J., Ciocys, S., Karapetrov, G., Pearson, J., Novosad, V., Bader, S., :Visualizing domain wall and reverse domain superconductivity,. Nature Comm. 5 (2014) 4766.

Ščepka, T., Šoltýs, J., Precner, M., Fedor, J., Tóbik, J., Gregušová, D., Gucmann, F., Kúdela, R., Cambel, V., : Vortex dynamics in ferromagnetic nanoelements observed by micro-hall probes. Acta Phys. Polonica A 126 (2014) 390-391.

  • 2013

Cambel, V., Precner, M., Fedor, J., Šoltýs, J., Tóbik, J., Ščepka, T., Karapetrov, G., : High resolution switching magnetization magnetic force microscopy. Applied Phys. Lett. 102 (2013) 062405.

Šoltýs, J., Gaži, Š., Fedor, J., Tóbik, J., Precner, M., Cambel, V., : Magnetic nanostructures for non-volatile memories. Microelectr. Engn. 110 (2013) 474-478.

Barančeková Husaníková, P., Fedor, J., Dérer, J., Šoltýs, J., Cambel, V., Iavarone, M., May, S., Karapetrov, G., : Magnetization properties and vortex phase diagram of CuxTiSe2 single crystals. Phys. Rev. B 88 (2013) 174501.

Blaho, M., Gregušová, D., Jurkovič, M., Haščík, Š., Fedor, J., Kordoš, P., Fröhlich, K., Brunner, F., Cho, E., Hilt, O., Würfl, H., Kuzmík, J., : Ni/Au-Al2O3 gate stack prepared by low-temperature ALD and lift-off for MOSHEMTs. Microelectr. Engn. 112 (2013) 204-207.

Cambel, V., Tóbik, J., Šoltýs, J., Fedor, J., Precner, M., Gaži, Š., Karapetrov, G., : The influence of shape anisotropy on vortex nucleation in Pacman-like nanomagnets,. J. Magnetism Magnetic Mater. 336 (2013) 29-36.

  • 2012

Ščepka, T., Gregušová, D., Gaži, Š., Haščík, Š., Fedor, J., Šoltýs, J., Kúdela, R., Cambel, V., : Detection elements for on-cantilever laboratory. In: ASDAM 2012. Eds. Š. Haščík, J. Osvald. Piscataway: IEEE 2012. ISBN 978-1-4673-1195-3. P. 91-94.

Válik, L., Ťapajna, M., Gucmann, F., Fedor, J., Šiffalovič, P., Fröhlich, K., : Distribution of fixed charge in MOS structures with ALD grown Al2O3 studied by capacitance measurements. In: ASDAM 2012. Eds. Š. Haščík, J. Osvald. Piscataway: IEEE 2012. ISBN 978-1-4673-1195-3. P. 227-230.

Ťapajna, M., Gregušová, D., Čičo, K., Fedor, J., Carlin, J., Grandjean, N., Killat, N., Kuball, M., Kuzmík, J., : Early stage degradation of InAlN/GaN HEMTs during electrical stress. In: ASDAM 2012. Eds. Š. Haščík, J. Osvald. Piscataway: IEEE 2012. ISBN 978-1-4673-1195-3. P. 7-10.

Precner, M., Gregušová, D., Šoltýs, J., Fedor, J., Gucmann, F., Tóbik, J., Kúdela, R., Cambel, V., : Nucleation and annihilation of magnetic vortices in Pacman-like nanodots observed by micro-Hall probes. In: ASDAM 2012. Eds. Š. Haščík, J. Osvald. Piscataway: IEEE 2012. ISBN 978-1-4673-1195-3. P. 87-90.

Fröhlich, K., Mičušík, M., Dobročka, E., Šiffalovič, P., Gucmann, F., Fedor, J., : Properties of Al2O3 thin films grown by atomic layer deposition. In: ASDAM 2012. Eds. Š. Haščík, J. Osvald. Piscataway: IEEE 2012. ISBN 978-1-4673-1195-3. P. 171-174.

Gregušová, D., Kúdela, R., Stoklas, R., Blaho, M., Gucmann, F., Fedor, J., Kordoš, P., : The influence of an AlOx film in-situ deposited on the GaAs-based HFETs properties. In: ASDAM 2012. Eds. Š. Haščík, J. Osvald. Piscataway: IEEE 2012. ISBN 978-1-4673-1195-3. P. 107-110.

  • 2011

Karapetrov, G., Belkin, A., Iavarone, M., Fedor, J., Novosad, V., Milošević, M., Peeters, F., : Anisotropy superconductivity and vortex dynamics in magnetically coupled F/S and F/S/F hybrids. J. Supercond. Novel Magn. 24 (2011) 905-910.

Fröhlich, K., Fedor, J., Kostič, I., Maňka, J., Ballo, P., : Gadolinium scandate: next candidate for alternative gate dielelectric in CMOS technology?, J. Electr. Engn. 62 (2011) 54-56.

Cambel, V., Gregušová, D., Eliáš, P., Fedor, J., Kostič, I., Maňka, J., Ballo, P., : Switching magnetization magnetic force microscopy – an alternative to conventional lift-mode MFM, J. Electr. Engn. 62 (2011) 37-43.

Iavarone, M., Karapetrov, G., Fedor, J., Rosenmann, D., : The spectroscopic signature of the Co magnetic state in CoxNbSe2 superconducting single crystals. Supercond. Sci Technol. 24 (2011) 024010.

  • 2010

Martaus, J., Cambel, V., Gregušová, D., Kúdela, R., Fedor, J., : 50-nm local anodic oxidation technology of semiconductor heterostructures. J. Nanosci Nanotechnol. 10 (2010) 4448-4453.

Jurkovič, M., Hušeková, K., Čičo, K., Dobročka, E., Nemec, M., Fedor, J., Fröhlich, K., : Characterization of high permittivity GdScO3 films prepared by liquid injection MOCVD. In: ASDAM ’10. Ed. J. Breza et al. Piscataway: IEEE 2010. ISBN: 978-1-4244-8572-7. P. 247-250.

Cambel, V., Eliáš, P., Gregušová, D., Martaus, J., Fedor, J., Karapetrov, G., Novosad, V., : Magnetic elements for switching magnetization magnetic force microscopy tips. J. Magnetism Magn. Mater. 322 (2010) 2715-2721.

Cambel, V., Eliáš, P., Gregušová, D., Fedor, J., Martaus, J., Karapetrov, G., Novosad, V., Kostič, I., : Novel magnetic tips developed for the switching magnetization magnetic force microscopy. J. Nanosci Nanotechnol. 10 (2010) 4477-4481.

Iavarone, M., Karapetrov, G., Fedor, J., Rosenmann, D., Nishizaki, T., Kobayashi, N., : The local effect of magnetic impurities on superconductivity in CoxNbSe2 and MnxNbSe2 single crystals. J. Phys.-Cond. Matter 22 (2010) 015501.

  • 2009

Karapetrov, G., Belkin, A., Novosad, V., Iavarone, M., Fedor, J., Pearson, J., Petrean-Troncalli, A., : Adjustable superconducting anisotropy in superconductor-ferromagnet bilayers, IEEE Trans. Applied Supercond. 19 (2009) 3471-3474. (not IEE SAS).

Gregušová, D., Martaus, J., Fedor, J., Kúdela, R., Kostič, I., Cambel, V., : On-tip sub-micrometer Hall probes for magnetic microscopy prepared by AFM lithography. Ultramicroscopy 109 (2009) 1080-1084.

Kováč, P., Hušek, I., Melišek, T., Fedor, J., Cambel, V., Morawski, A., Kario, A., : Properties of hot pressed MgB2/Ti tapes. Physica C 469 (2009) 713-716. (APVV 0398-07). (VEGA 2/0037/09).

Karapetrov, G., Milošević, M., Iavarone, M., Fedor, J., Belkin, A., Novosad, V., Peeters, F., : Transverse instabilities of multiple vortex chains in magnetically coupled NbSe2/permalloy superconductor/ferromagnet bilayers. Phys. Rev. B 80 (2009) 180506.

  • 2008

Malliakas, C., Iavarone, M., Fedor, J., Kanatzidis, M., : Coexistence and Coupling of Two Distinct Charge Density Waves in Sm2Te5 J. Am. Chem. Soc. 130 (2008) 3310–3312. (Not IEE SAS).

Belkin, A., Novosad, V., Iavarone, M., Fedor, J., Pearson, J., Petrean-Troncalli, A., Karapetrov, G., : Tunable transport in magnetically coupled MoGe/Permalloy hybrids. Applied Physics Lett. 93 (2008) 072510.

  • 2007

Cambel, V., Karapetrov, G., Novosad, V., Bartolome, E., Gregušová, D., Fedor, J., Kúdela, R., Šoltýs, J., :Novel Hall sensors developed for magnetic field imaging systems. J. Magnetism Magn. Mater. 316 (2007) 232-235. (APVV 51-045705).

  • 2006

Karapetrov, G., Fedor, J., Iavarone, M., Rosenmann, D., Kwok, W., : Direct observation of vortex lattice transitions in mesoscopic superconducting single crystals using STM. Physica C 437-438 (2006) 127-131.

Cambel, V., Fedor, J., Gregušová, D., Kúdela, R., : Hallovská magnetometria, Čs. čas. pro fyziku 56 (2006) 152-157.

Belkin, A., Fedor, J., Pankowski, P., Iavarone, M., Novosad, V., Karapetrov, G., Cambel, V., Gregušová, D., Kúdela, R., : Switching of magnetic domains in Permalloy microstructures using two-dimensional electron gas. Applied Physics Lett. 89 (2006) 182513.

Gregušová, D., Eliáš, P., Öszi, Z., Kúdela, R., Šoltýs, J., Fedor, J., Cambel, V., Kostič, I., : Technology and properties of a vector hall sensor. Microelectronics J. 37 (2006) 1543-1546.

  • 2005

Bartolome, E., Granados, X., Cambel, V., Fedor, J., Kováč, P., Hušek, I., : Critical current density analysis of ex situ MgB2 wire by in-field and temperature Hall probe imaging. Supercond. Sci Technol. 18 (2005) 1135-1140.

Karapetrov, G., Fedor, J., Iavarone, M., Rosenmann, D., Kwok, W., : Direct observation of geometrical phase transitions in mesoscopic superconductors by scanning tunneling microscopy. Phys. Rev. Lett. 95 (2005) 167002.

Karapetrov, G., Fedor, J., Iavarone, M., Marshall, M., Divan, R., : Imaging of vortex states in mesoscopic superconductors. Applied Phys. Lett. 87 (2005) 162515.

Cambel, V., Fedor, J., Gregušová, D., Kováč, P., Hušek, I., : Large-scale high-resolution scanning Hall probe microscope used for MgB2 filament characterization. Supercond. Sci Technol. 18 (2005) 417-421.

  • 2004

Hasenöhrl, S., Betko, J., Morvic, M., Novák, J., Fedor, J., : Resistivity and mobility in ordered InGaP grown by MOVPE. Physica Status Solidi (c) 1 (2004) 382-387.

Cambel, V., Gregušová, D., Fedor, J., Kúdela, R., Bending, S., : Scanning vector Hall probe microscopy. J. Magnetism Magnetic Mater. 272-276 (2004) 2141-2143.

  • 2003

Hasenöhrl, S., Novák, J., Kúdela, R., Betko, J., Morvic, M., Fedor, J., : Anisotropy in transport properties of ordered strained InGaP. J. Crystal Growth 248 (2003) 369.

Gregušová, D., Cambel, V., Fedor, J., Kúdela, R., Šoltýs, J., Lalinský, T., Kostič, I., Bending, S., : Fabrication of a vector Hall sensor for magnetic microscopy. Applied Phys. Lett. 82 (2003) 3704-3706.

Fedor, J., Cambel, V., Gregušová, D., Hanzelka, P., Dérer, J., Volko, J., : Scanning vector Hall probe microscope. Rev. Sci Instruments 74 (2003) 5105-5110.

Šoltýs, J., Cambel, V., Fedor, J., : Study of tip-induced Ti-film oxidation in atomic force microscopy contact and non-contact mode Acta Physica Polonica A 103 (2003) 553-558.

Hasenöhrl, S., Betko, J., Morvic, M., Novák, J., Fedor, J., : Temperature dependent magnetoresistance characterization of ordered strained InGaP grown by MOVPE. In: EW MOVPE X. Univ. Lecce 2003. P. 163.

  • 2002

Eliáš, P., Hasenöhrl, S., Fedor, J., Cambel, V., : Hall bar device processing on patterned substrates using optical lithography. Sensors Actuators A 101 (2002) 150-155.

Cambel, V., Eliáš, P., Gregušová, D., Hasenöhrl, S., Kúdela, R., Fedor, J., : Mikroskopická magnetometria. In: 12. Konf. slov. fyzikov. Eds. M.Reiffers, L.Just. Košice: Slov. fyzik. spol. 2002. P. 68.

  • 2001

Fröhlich, K., Machajdík, D., Cambel, V., Fedor, J., Pisch, A., Lindner, J., : Growth of Ru and Ru2 films by metal-organic chemical vapour deposition J. de Physique 11 (2001) Pr3-325-332.