Magnetoresistance and Hall effect of the magnetic semiconductor HgCr2Se4 in strong magnetic fields

被引:0
|
作者
N. I. Solin
N. M. Chebotaev
机构
[1] Ural Branch of the Russian Academy of Sciences,Institute of Metal Physics
来源
关键词
Spectroscopy; Magnetic Field; State Physics; Conduction Band; Valence Band;
D O I
暂无
中图分类号
学科分类号
摘要
The giant decrease of the electrical resistance of HgCr2Se4 (more than by a factor of 200) caused by magnetic field-induced changes in the carrier mobility and concentration, the quadratic dependences of magnetoresistance and normal Hall constant on magnetic induction in the paramagnetic region, as well as the deviations from these dependences observed to occur as one approaches the Curie temperature, are discussed within a model involving carriers of several types (holes in the valence band, electrons localized at ferron-type impurity centers, and electrons hybridized in the impurity and conduction bands).
引用
收藏
页码:754 / 758
页数:4
相关论文
共 50 条
  • [1] Magnetoresistance and Hall effect of the magnetic semiconductor HgCr2Se4 in strong magnetic fields
    Solin, NI
    Chebotaev, NM
    [J]. PHYSICS OF THE SOLID STATE, 1997, 39 (05) : 754 - 758
  • [2] MAGNETOTHERMOPOWER AND HALL-EFFECT IN THE MAGNETIC SEMICONDUCTOR HGCR2SE4
    KOROLEVA, LI
    MIKHEEV, MG
    FLORENTYEVA, NV
    ZHUKOV, EG
    LEVSHIN, VA
    POLULYAK, ES
    [J]. FIZIKA TVERDOGO TELA, 1988, 30 (03): : 743 - 750
  • [3] SPINEL MAGNETIC SEMICONDUCTOR HGCR2SE4
    SELMI, A
    HERITIER, M
    GIBART, P
    [J]. PROGRESS IN CRYSTAL GROWTH AND CHARACTERIZATION OF MATERIALS, 1986, 13 (02): : 121 - 143
  • [4] EFFECT OF PULSE ELECTRIC AND MAGNETIC-FIELDS ON MAGNETOSTATIC WAVES IN HGCR2SE4 MAGNETIC SEMICONDUCTOR
    OSIPOV, VV
    VIGLIN, NA
    KOSTYLEV, VA
    CHEBOTAEV, NM
    SAMOKHVALOV, AA
    [J]. ZHURNAL TEKHNICHESKOI FIZIKI, 1990, 60 (03): : 113 - 117
  • [5] ELECTRIC AND MAGNETIC NOISES OF MAGNETIC HGCR2SE4 SEMICONDUCTOR IN THE STRONG ELECTRIC-FIELD
    GALDIKAS, AP
    MATULENENE, IB
    SAMOKHVALOV, AA
    OSIPOV, VV
    [J]. FIZIKA TVERDOGO TELA, 1983, 25 (07): : 1999 - 2002
  • [6] FERROMAGNETIC-RESONANCE IN THE MAGNETIC SEMICONDUCTOR HGCR2SE4
    GUREVICH, AG
    EMIRYAN, LM
    NEDKOV, I
    GIBART, P
    [J]. ACTA PHYSICA POLONICA A, 1988, 74 (06) : 731 - &
  • [7] FERROMAGNETIC-RESONANCE IN MAGNETIC SEMICONDUCTOR HGCR2SE4
    VIGLIN, NA
    SAMOKHVALOV, AA
    SOLIN, NI
    SIMONOVA, MI
    [J]. FIZIKA TVERDOGO TELA, 1984, 26 (04): : 1230 - 1231
  • [8] NEGATIVE DIFFERENTIAL CONDUCTIVITY IN THE MAGNETIC SEMICONDUCTOR HGCR2SE4
    OSIPOV, VV
    SAMOKHVALOV, AA
    KOSTYLEV, VA
    [J]. FIZIKA TVERDOGO TELA, 1987, 29 (09): : 2809 - 2811
  • [9] Colossal magnetoresistance of the inhomogeneous ferromagnetic semiconductor HgCr2Se4
    N. I. Solin
    V. V. Ustinov
    S. V. Naumov
    [J]. Physics of the Solid State, 2008, 50
  • [10] Colossal magnetoresistance of the inhomogeneous ferromagnetic semiconductor HgCr2Se4
    Solin, N. I.
    Ustinov, V. V.
    Naumov, S. V.
    [J]. PHYSICS OF THE SOLID STATE, 2008, 50 (05) : 901 - 908