Low temperature ferromagnetism in the new diluted magnetic semiconductor p-Bi2-xFexTe3

Vladimir A. Kulbachinskii; Alexander Yu Kaminsky; Koichi Kindo; Yasuo Narumi; Ken Ichi Suga; Petr Lostak; Petr Svanda

doi:10.1016/S0921-4526(02)02212-3

Low temperature ferromagnetism in the new diluted magnetic semiconductor p-Bi_2-xFe_xTe₃

Vladimir A. Kulbachinskii, Alexander Yu Kaminsky, Koichi Kindo, Yasuo Narumi, Ken Ichi Suga, Petr Lostak, Petr Svanda

Materials Property Division

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

Single crystals of the new diluted magnetic semiconductor of p-Bi _2-xFe_xTe₃ (0≤x≤0.08) and n-Bi _2-xFe_xSe₃ (0≤x≤0.06) have been synthesized. The ferromagnetic phase was found at a temperature T_c which increases with Fe content x up to T_c = 12 K for x = 0.08 in p-Bi_2-xFe_xTe₃. The easy-axis for magnetization is parallel to the C₃ crystallographic axis. In n-type samples Bi_2-xFe_xSe₃ ferromagnetic transition was not found down to 2 K. The de Haas-van Alphen effect was observed in p-Bi _2-xFe_xTe₃. The Shubnikov-de Haas (SdH) effect was investigated in both types of samples. Frequency of oscillation decreases with Fe doping in p-Bi_2-xFe_xTe₃ and increases in n-Bi_2-xFe_xSe₃. Thus Fe atoms exhibit donor properties.

Original language	English
Pages (from-to)	1251-1252
Number of pages	2
Journal	Physica B: Condensed Matter
Volume	329-333
Issue number	II
DOIs	https://doi.org/10.1016/S0921-4526(02)02212-3
Publication status	Published - 2003 May

Keywords

Diluted magnetic semiconductors
Ferromagnetism

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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title = "Low temperature ferromagnetism in the new diluted magnetic semiconductor p-Bi2-xFexTe3",

abstract = "Single crystals of the new diluted magnetic semiconductor of p-Bi 2-xFexTe3 (0≤x≤0.08) and n-Bi 2-xFexSe3 (0≤x≤0.06) have been synthesized. The ferromagnetic phase was found at a temperature Tc which increases with Fe content x up to Tc = 12 K for x = 0.08 in p-Bi2-xFexTe3. The easy-axis for magnetization is parallel to the C3 crystallographic axis. In n-type samples Bi2-xFexSe3 ferromagnetic transition was not found down to 2 K. The de Haas-van Alphen effect was observed in p-Bi 2-xFexTe3. The Shubnikov-de Haas (SdH) effect was investigated in both types of samples. Frequency of oscillation decreases with Fe doping in p-Bi2-xFexTe3 and increases in n-Bi2-xFexSe3. Thus Fe atoms exhibit donor properties.",

keywords = "Diluted magnetic semiconductors, Ferromagnetism",

author = "Kulbachinskii, {Vladimir A.} and Kaminsky, {Alexander Yu} and Koichi Kindo and Yasuo Narumi and Suga, {Ken Ichi} and Petr Lostak and Petr Svanda",

year = "2003",

month = may,

doi = "10.1016/S0921-4526(02)02212-3",

language = "English",

volume = "329-333",

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journal = "Physica B: Condensed Matter",

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T1 - Low temperature ferromagnetism in the new diluted magnetic semiconductor p-Bi2-xFexTe3

AU - Kulbachinskii, Vladimir A.

AU - Kaminsky, Alexander Yu

AU - Kindo, Koichi

AU - Narumi, Yasuo

AU - Suga, Ken Ichi

AU - Lostak, Petr

AU - Svanda, Petr

PY - 2003/5

Y1 - 2003/5

N2 - Single crystals of the new diluted magnetic semiconductor of p-Bi 2-xFexTe3 (0≤x≤0.08) and n-Bi 2-xFexSe3 (0≤x≤0.06) have been synthesized. The ferromagnetic phase was found at a temperature Tc which increases with Fe content x up to Tc = 12 K for x = 0.08 in p-Bi2-xFexTe3. The easy-axis for magnetization is parallel to the C3 crystallographic axis. In n-type samples Bi2-xFexSe3 ferromagnetic transition was not found down to 2 K. The de Haas-van Alphen effect was observed in p-Bi 2-xFexTe3. The Shubnikov-de Haas (SdH) effect was investigated in both types of samples. Frequency of oscillation decreases with Fe doping in p-Bi2-xFexTe3 and increases in n-Bi2-xFexSe3. Thus Fe atoms exhibit donor properties.

AB - Single crystals of the new diluted magnetic semiconductor of p-Bi 2-xFexTe3 (0≤x≤0.08) and n-Bi 2-xFexSe3 (0≤x≤0.06) have been synthesized. The ferromagnetic phase was found at a temperature Tc which increases with Fe content x up to Tc = 12 K for x = 0.08 in p-Bi2-xFexTe3. The easy-axis for magnetization is parallel to the C3 crystallographic axis. In n-type samples Bi2-xFexSe3 ferromagnetic transition was not found down to 2 K. The de Haas-van Alphen effect was observed in p-Bi 2-xFexTe3. The Shubnikov-de Haas (SdH) effect was investigated in both types of samples. Frequency of oscillation decreases with Fe doping in p-Bi2-xFexTe3 and increases in n-Bi2-xFexSe3. Thus Fe atoms exhibit donor properties.

KW - Diluted magnetic semiconductors

KW - Ferromagnetism

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DO - 10.1016/S0921-4526(02)02212-3

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VL - 329-333

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EP - 1252

JO - Physica B: Condensed Matter

JF - Physica B: Condensed Matter

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