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Портал Begell Электронная Бибилиотека e-Книги Журналы Справочники и Сборники статей Коллекции
Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN Печать: 0040-2508
ISSN Онлайн: 1943-6009

Выпуски:
Том 78, 2019 Том 77, 2018 Том 76, 2017 Том 75, 2016 Том 74, 2015 Том 73, 2014 Том 72, 2013 Том 71, 2012 Том 70, 2011 Том 69, 2010 Том 68, 2009 Том 67, 2008 Том 66, 2007 Том 65, 2006 Том 64, 2005 Том 63, 2005 Том 62, 2004 Том 61, 2004 Том 60, 2003 Том 59, 2003 Том 58, 2002 Том 57, 2002 Том 56, 2001 Том 55, 2001 Том 54, 2000 Том 53, 1999 Том 52, 1998 Том 51, 1997

Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v73.i16.30
pages 1433-1442

THE FEATURES OF QUANTUM OSCILLATIONS OF THE MAGNETIZATION OF HgSe: Fe CRYSTALS

B.E. Bekirov
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine
I. V. Ivanchenko
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkov 61085, Ukraine
N. A. Popenko
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkov 61085
A. V. Bludov
B. Verkin Institute for Low Temperature Physics and Engineering, National Academy of Sciences of Ukraine 47, Lenin Ave., Kharkiv, 61103, Ukraine
V. Pashchenko
B. Verkin Institute for Low Temperature Physics and Engineering, National Academy of Sciences of Ukraine 47, Lenin Ave., Kharkiv, 61103, Ukraine

Краткое описание

In this paper, the experimental studies of magnetic-field and temperature dependences of the magnetization of HgSe:Fe crystals with the iron concentrations 2×1018 cm−3≤NFe≤3×1019 cm−3 are carried out. It has been found that at helium temperatures the quantum oscillations of the magnetization are observed for all samples in the magnetic fields H ≥ 15 kOe, whose amplitude decreases monotonically with increasing the temperature up to T = 25 K due to the thermal smearing of the Fermi level. The effective area of extreme sections of the Fermi surface is defined and the concentration of collectivized electrons under conditions of the Fermi level stabilization at the resonant donor level of the iron is estimated. For the first time, the spin splitting of the Landau levels in the quantum oscillations of the de Haas - van Alphen has been revealed at the concentration of the iron impurity within the limits of 7×1018cm−3<NFe<2×1019cm−3. The critical impurity concentration has been determined at which there is a sharp increase in the Curie-Weiss temperature, indicating the occurrence of spontaneous spin polarization of the hybridized electron states in the mercury selenide doped with an iron.


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