New data and developments pertaining to ideas about the electron system of hybridized states of cobalt impurity atoms in a mercury selenide crystal

被引：2

作者：

Govorkova, T. E. ^{[1
]}

Zhevstovskikh, I. V. ^{[1
,2
]}

Lonchakov, A. T. ^{[1
]}

Okulov, V. I. ^{[1
,2
]}

Okulova, K. A. ^{[1
]}

Podgornykh, S. M. ^{[1
]}

Bobin, S. B. ^{[1
]}

Deryushkin, V. V. ^{[1
]}

Paranchich, L. D. ^{[3
]}

机构：

[1] Russian Acad Sci, Mikheev Inst Met Phys, Ural Branch, 18 S Kovalevskaya St, Ekaterinburg 620990, Russia

[2] Ural Fed Univ, 51 Lenin Ave, Ekaterinburg 620002, Russia

[3] Chernivtsi Natl Univ, 2 Kotsyubynsky St, UA-58012 Chernovtsy, Ukraine

来源：

LOW TEMPERATURE PHYSICS | 2017年 / 43卷 / 04期

关键词：

TRANSITION-ELEMENT IMPURITIES; IRON IMPURITIES; TEMPERATURE-DEPENDENCE; RESONANCE SCATTERING; DONOR IMPURITIES; SEMICONDUCTORS; COEFFICIENT; HG1-XCOXSE; ABSORPTION; ANOMALIES;

D O I：

10.1063/1.4983997

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

New experimental data on the manifestation of hybridization and spin polarization effects in 3d-states of donor electrons of a low concentration of cobalt atoms in mercury selenide crystals are obtained. The Hall concentration and mobility of conduction electrons as a function of impurity concentration, and the temperature dependences of the electron mobility, specific heat, and elastic moduli at low temperatures, are investigated. A quantitative interpretation of the observed dependences based on an earlier-developed theory in a justified simplified model of a single localization peak in the electron density of states is performed. As a result, the hybridization parameters of the cobalt states are determined by consistently fitting the observed experimental dependences, and evidence for the spontaneous spin polarization of electrons in the temperature dependences of the impurity specific heat and impurity contribution to the elastic moduli is detected. Published by AIP Publishing.

引用

页码：508 / 514

页数：7

共 6 条

[1] The interaction of ultrasound with electrons in hybridized states of iron impurity in a mercury selenide crystal
V. I. Okulov
V. V. Gudkov
A. T. Lonchakov
I. V. Zhevstovskikh
T. E. Govorkova
S. Yu. Paranchich
Technical Physics Letters, 2007, 33 : 821 - 824
[2] The interaction of ultrasound with electrons in hybridized states of iron impurity in a mercury selenide crystal
Okulov, V. I.
Gudkov, V. V.
Lonchakov, A. T.
Zhevstovskikh, I. V.
Govorkova, T. E.
Paranchich, S. Yu.
TECHNICAL PHYSICS LETTERS, 2007, 33 (10) : 821 - 824
[3] Experimental determination of the magnetic-field dependence of the low-temperature spontaneous magnetization of the electron system of hybridized states of cobalt impurities of low concentration (≤ 0.035 at.%) in a mercury selenide crystal
Govorkova, T. E.
Okulov, V. I.
LOW TEMPERATURE PHYSICS, 2018, 44 (11) : 1221 - 1222
[4] Spin ordering contribution of iron, cobalt, and nickel impurity electron states, to the low-temperature magnetic susceptibility of mercury selenide crystals
Govorkova, T. E.
Lonchakov, A. T.
Okulov, V. I.
Andriichuk, M. D.
Gubkin, A. F.
Paranchich, L. D.
LOW TEMPERATURE PHYSICS, 2015, 41 (02) : 154 - 156
[5] Low-temperature magnetic field dependences of spontaneous magnetization of low concentration (≤ 0.2 at.%) iron impurity electron system in mercury selenide crystal
Govorkova, T.E.
Okulov, V.I.
Okulova, K.A.
Fizika Nizkikh Temperatur, 2019, 45 (02): : 270 - 277
[6] Low-temperature magnetic field dependences of spontaneous magnetization in a low-concentration iron impurity (≤0.2 at%) electron system of a mercury selenide crystal
Govorkova, T. E.
Okulov, V. I.
Okulova, K. A.
LOW TEMPERATURE PHYSICS, 2019, 45 (02) : 234 - 240

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