Ing. Filip GUCMANN

  • 2020

Pohorelec, O., Ťapajna, M., Gregušová, D., Gucmann, F., Hasenöhrl, S., Haščík, Š., Stoklas, R., Seifertová, A., Pécz, B., Tóth, L., and Kuzmík, J.: Investigation of interfaces and threshold voltage instabilities in normally-off MOS-gated InGaN/AlGaN/GaN HEMTs, Applied Surface Sci 528 (2020) 146824.

Šichman, P., Hasenöhrl, S., Stoklas, R., Priesol, J., Dobročka, E., Haščík, Š., Gucmann, F., Vincze, A., Chvála, A., Marek, J., Šatka, A., and Kuzmík, J.: Semi-insulating GaN for vertical structures: role of substrate selection and growth pressure, Mater. Sci Semicond. Process. 118 (2020) 105203.

Chauhan, P., Hasenöhrl, S., Vančo, Ľ., Šiffalovič, P., Dobročka, E., Machajdík, D., Rosová, A., Gucmann, F., Kováč, J.jr., Maťko, I., Kuball, M., and Kuzmík, J.: A systematic study of MOCVD reactor conditions and Ga memory effect on properties of thick InAl(Ga)N layers: A complete depth-resolved investigation, CrystEngComm 22 (2020) 130-141.

  • 2019

Liang, J., Zhou, Y., Masuya, S., Gucmann, F., Singh, M., Pomeroy, J., Kim, S., Kuball, M., Kasu, M., and Shigekawa, N.: Annealing effect of surface-activated bonded diamond/Si interface, Diamond Related Mater. 93 (2019) 187-192. (Not IEE SAS)

Chauhan, P., Hasenöhrl, S., Dobročka, E., Chauvat, M.-P., Minj, A., Gucmann, F., Vančo, Ľ., Kováč, J.jr., Kret, S., Ruterana, P., Kuball, M., Šiffalovič, P., and Kuzmík, J.: Evidence of relationship between strain and In-incorporation: growth of N-polar In-rich InAlN buffer layer by OMCVD, J. Applied Phys. 125 (2019) 105304.

Ťapajna, M., Drobný, J., Gucmann, F., Hušeková, K., Gregušová, D., Hashizume, T., and Kuzmík, J.: Impact of oxide/barrier charge on threshold voltage instabilities in AlGaN/GaN metal-oxide-semiconductor heterostructures, Mater. Sci in Semicond Process.  91 (2019) 356-361.

  • 2018

Gucmann, F., Ťapajna, M., Pohorelec, O., Haščík, Š., Hušeková, K., and Kuzmík, J.: Creation of two-dinesional electron gas and role of surface donors in III-N metal-oxide-semiconductor high-electron mobility transistors, Phys. Status Solidi A  215 (2018) 1800090.

Kúdela, R., Šoltýs, J., Kučera, M., Stoklas, R., Gucmann, F., Blaho, J., Mičušík, M., Pohorelec, O., Gregor, M., Brytavskyi, I.V., Dobročka, E., and Gregušová, D.: Technology and application of in-situ AlOx layers on III-V semiconductors, Applied Surface Sci 461 (2018) 33-38.

  • 2017
Ťapajna, M., Stoklas, R., Gregušová, D., Gucmann, F., Hušeková, K., Haščík, Š., Fröhlich, K., Tóth, L., Pecz, B., Brunner, F., Kuzmík, J., : Investigation of ‘surface donors’ in Al2O3/AlGaN/GaN metal-oxide-semiconductor heterostructures: Correlation of electrical, structural, and chemical properties. Applied Surface Sci 426 (2017) 656-661. (CENTE II). (APVV 15-0031). (VEGA 2/0138/14).

 

Ťapajna, M., Válik, L., Gucmann, F., Gregušová, D., Fröhlich, K., Haščík, Š., Dobročka, E., Tóth, L., Pecz, B., Kuzmík, J., : Low-temperature atomic layer deposition-grown Al2O3 gate dielectric for GaN/AlGaN/GaN MOS HEMTs: Impact of deposition conditions on interface state density. J. Vacuum Sci Technol. B 35 (2017) 01A107. (SAFEMOST). (VEGA 2/0138/14). (CENTE).

 

Gucmann, F., Kúdela, R., Rosová, A., Dobročka, E., Micusik, M., Gregušová, D., : Optimization of UV-assisted wet oxidation of GaAs,. J. Vacuum Sci Technol. B 35 (2017) 01A116. (VEGA 2/0105/13). (APVV 15-0243). (CENTE II).

 

Gregušová, D., Gucmann, F., Kúdela, R., Mičušík, M., Stoklas, R., Válik, L., Greguš, J., Blaho, M., Kordoš, P., : Properties of InGaAs/GaAs metal-oxide-semiconductor heterostructure field-effect transistors modified by surface treatment,. Applied Surface Sci 395 (2017) 140-144. (VEGA 2/0105/13). (CENTE). (APVV 14-0297).

 

  • 2016
Gucmann, F., Gregušová, D., Válik, L., Ťapajna, M., Haščík, Š., Hušeková, K., Fröhlich, K., Pohorelec, O., Kuzmík, J., : DC and pulsed IV characterisation of AlGaN/GaN MOS-HEMT with Al2O3 gate dielectric prepared by various techniques In: ASDAM 2016. Eds. Š. Haščík et al. IEEE 2016. ISBN 978-1-5090-3081-1. P. 9-12.(SAFEMOST). (APVV 15-0243). (APVV 15-0673).

 

Ťapajna, M., Hušeková, K., Pohorelec, O., Válik, L., Haščík, Š., Gucmann, F., Fröhlich, K., Gregušová, D., Kuzmík, J., : Effect of HCl pretreatment on the oxide/semiconductor interface state density in AlGaN/GaN MOS-HEMT structures with MOCVD grown Al2O3 gate dielectric In: ASDAM 2016. Eds. Š. Haščík et al. IEEE 2016. ISBN 978-1-5090-3081-1. P. 207-211. (SAFEMOST). (APVV 15-0031). (VEGA 2/0138/14).

 

Ťapajna, M., Válik, L., Gregušová, D., Fröhlich, K., Gucmann, F., Hashizume, T., Kuzmík, J., : Treshold voltage instabilities in AlGaN/GaN MOS-HEMTs with ALD-grown Al2O3 gate dielectrics: relation to distribution of oxide/semiconductor interface state density In: ASDAM 2016. Eds. Š. Haščík et al. IEEE 2016. ISBN 978-1-5090-3081-1. P. 1-4.. (SAFEMOST). (APVV 15-0031). (VEGA 2/0138/14).

 

  • 2015
Gucmann, F., Kúdela, R., Dobročka, E., Mičušík, M., Rosová, A., Novák, J., Gregušová, D., : III-As heterostructure field-effect transistors with recessed ex-situ gate oxide In: 18. Škola vákuovej techniky: Nanosvet s vákuom. Bratislava: SVS, 2015. ISBN 978-80-971179-6-2. S. 27-30.. (VEGA 2/0105/13). (CENTE). (VEGA 2/0098/13).

 

Gucmann, F., Kúdela, R., Kordoš, P., Dobročka, E., Gaži, Š., Dérer, J., Liday, J., Vogrinčič, P., Gregušová, D., : III-As heterostructure field-effect transistors with recessed ex-situ gate oxide by O2 plasma-oxidized GaAs cap. J. Vacuum Sci Technol. B 33 (2015) 01A111. (VEGA 2/0105/13). (VEGA 2/0098/13). (CENTE).

 

Gregušová, D., Kúdela, R., Gucmann, F., Stoklas, R., Blaho, M., Ťapajna, M., Kordoš, P., Fröhlich, K., : Technology and application of in-situ alox layers on III-V semiconductors. In: Progress in Applied Surface, Interface and Thin Film Sci. 2015 – SURFINT-SREN IV. Extend. Abstract Book. Ed. R. Brunner. Bratislava: CU 2015. ISBN: 978-80-223-3975-9. P. 58.. (VEGA 2/0105/13). (APVV 14-0297). (CENTE).

 

  • 2014
Gucmann, F., Kúdela, R., Fröhlich, K., Liday, J., Vogrinčič, P., Gaži, Š., Stoklas, R., Kordoš, P., Novák, J., Gregušová, D., : III-As high electron mobility transistors with recessed ex-situ gate oxide In: Proc. ADEPT. 2st Inter. Conf. on Advan. in Electronic and Photonic Technol. Eds. D. Pudis et al. Žilina: Univ. Žilina 2014. ISBN 978-80-554-0881-1. P. 5-8. (VEGA 2/0105/13). (VEGA 2/0098/13). (CENTE).

 

Gucmann, F., Gregušová, D., Stoklas, R., Dérer, J., Kúdela, R., Fröhlich, K., Kordoš, P., : InGaAs/GaAs metal-oxide-semiconductor heterostructure field-effect transistors with oxygen-plasma oxide and Al2O3 double-layer insulator. Applied Phys. Lett. 105 (2014) 183504. (VEGA 2/0105/13). (VEGA 2/0138/14). (CENTE).

 

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. (APVV 0088-12). (Vega 2/0037/12). (CENTE).

 

  • 2012
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.

 

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.

 

Rodière, P., Klein, T., Lemberger, L., Hasselbach, K., Demuer, A., Kačmarčík, J., Wang, Z., Luo, H., Lu, X., Wen, H., Gucmann, F., Marcenat, C., : Scaling of the physical properties in Ba(Fe,Ni)2As2 single crystals: Evidence for quantum fluctuations. Phys. Rev. B 85 (2012) 214506.

 

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.