Zobrazeno 1 - 10
of 88
pro vyhledávání: '"Faina, B."'
Autor:
Adhikari, R., Adhikari, S., Faina, B., Terschanski, M., Bork, S., Leimhofer, C., Cinchetti, M., Bonanni, A.
Layered van der Waals semimetallic $T_\mathrm{d}$-WTe$_{2}$, exhibiting intriguing properties which include non-saturating extreme positive magnetoresistance (MR) and tunable chiral anomaly, has emerged as model topological type-II Weyl semimetal sys
Externí odkaz:
http://arxiv.org/abs/2103.16326
The advances in the fields of scanning probe microscopy, scanning tunneling spectroscopy, point contact spectroscopy and point contact Andreev reflection spectroscopy to study the properties of conventional and quantum materials at cryogenic conditio
Externí odkaz:
http://arxiv.org/abs/2010.11599
Publikováno v:
Phys. Rev. B 100, 134422 (2019)
In magnetic topological phases of matter, the quantum anomalous Hall (QAH) effect is an emergent phenomenon driven by ferromagnetic doping, magnetic proximity effects and strain engineering. The realization of QAH states with multiple dissipationless
Externí odkaz:
http://arxiv.org/abs/1907.05716
Autor:
Navarro-Quezada, A., Aiglinger, M., Faina, B., Gas, K., Matzer, M., Li, Tian, Adhikari, R., Sawicki, M., Bonanni, A.
Publikováno v:
Phys. Rev. B 99, 085201 (2019)
The magnetotransport in phase-separated (Ga,Fe)N containing $\gamma$'-Ga$_y$Fe$_{4-y}$N (0\,$<$\,y\,$<$1) nanocrystals (NCs) is studied in the temperature range between 2\,K and 300\,K. The evolution of the resistivity and of the magnetoresistance (M
Externí odkaz:
http://arxiv.org/abs/1809.08894
Autor:
Capuzzo, G., Kysylychyn, D., Adhikari, R., Li, T., Faina, B., Martín-Luengo, A. Tarazaga, Bonanni, A.
Publikováno v:
Sci. Rep. 7 (2017) 42697
Since the technological breakthrough prompted by the inception of light emitting diodes based on III-nitrides, these material systems have emerged as strategic semiconductors not only for the lighting of the future, but also for the new generation of
Externí odkaz:
http://arxiv.org/abs/1608.07077
A series of recent magnetooptical studies pointed to contradicting values of the s-d exchange energy N0{\alpha} in Mn-doped GaAs and GaN as well as in Fe-doped GaN. Here, a strong sensitivity of weak-localization phenomena to symmetry breaking pertur
Externí odkaz:
http://arxiv.org/abs/1412.3904
Autor:
Stefanowicz, W., Adhikari, R., Andrearczyk, T., Faina, B., Sawicki, M., Majewski, J. A., Dietl, T., Bonanni, A.
Publikováno v:
Physical Review B 89, 205201 (2014)
Millikelvin magnetotransport studies are carried out on heavily $n$-doped wurtzite GaN:Si films grown on semi-insulating GaN:Mn buffer layers by metal-organic vapor phase epitaxy. The dependency of the conductivity on magnetic field and temperature i
Externí odkaz:
http://arxiv.org/abs/1402.6843
Autor:
Papierska, J., Rousset, J. -G., Pacuski, W., Kossacki, P., Golnik, A., Nawrocki, M., Gaj, J. A., Suffczyński, J., Kowalik, I., Stefanowicz, W., Sawicki, M., Dietl, T., Navarro-Quezada, A., Faina, B., Li, Tian, Bonanni, A.
Publikováno v:
Acta Physica Polonica A 120, 921 (2011)
Magnetooptical properties of (Ga,Mn)N layers containing various concentrations of Fe-rich nanocrystals embedded in paramagnetic (Ga,Fe)N layers are reported. Previous studies of such samples demonstrated that magnetization consists of a paramagnetic
Externí odkaz:
http://arxiv.org/abs/1308.3512
Autor:
Rousset, J. -G., Papierska, J., Pacuski, W., Golnik, A., Nawrocki, M., Stefanowicz, W., Stefanowicz, S., Sawicki, M., Jakiela, R., Dietl, T., Navarro-Quezada, A., Faina, B., Li, T., Bonanni, A., Suffczynski, J.
Publikováno v:
Phys. Rev. B 88, 115208 (2013)
The question of the correlation between magnetization, band splittings, and magnetic circular dichroism (MCD) in the fundamental gap region of dilute magnetic semiconductors is examined experimentally and theoretically taking the case of wurtzite Ga(
Externí odkaz:
http://arxiv.org/abs/1305.7496
Autor:
Sawicki, M., Devillers, T., Gałȩski, S., Simserides, C., Dobkowska, S., Faina, B., Grois, A., Navarro-Quezada, A., Trohidou, K. N., Majewski, J. A., Dietl, T., Bonanni, A.
Publikováno v:
Phys. Rev. B 85, 205204 (2012)
By employing highly sensitive millikelvin SQUID magnetometry, the magnitude of the Curie temperature as a function of the Mn concentration x is determined for thoroughly characterized Ga1-xMnxN. The interpretation of the results in the frame of tight
Externí odkaz:
http://arxiv.org/abs/1202.6233