ELECTRONIC-STRUCTURE AND MAGNETISM OF THE SEMIMETALS ERAS AND ERXSC1-XAS

被引：38

作者：

PETUKHOV, AG

LAMBRECHT, WRL

SEGALL, B

机构：

来源：

PHYSICAL REVIEW B | 1994年 / 50卷 / 11期

关键词：

D O I：

10.1103/PhysRevB.50.7800

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We present results of linear muffin-tin-orbital band-structure calculations of ErAs in the local-spin-density approximation. While the exchange splitting and cyclotron masses are in good agreement with experimental data, we find the Fermi surface dimensions of this semimetal to be significantly overestimated. A good fit to recently measured Shubnikov-de Haas oscillations in ErxSc1-xAs is obtained when the Delta(2)' band is shifted upward by a quasiparticle self-energy correction. The effects due to alloying with Sc are taken into account in a virtual-crystal approximation.

引用

收藏

页码：7800 / 7804

页数：5

相关论文

共 22 条

[1] ERAS EPITAXIAL LAYERS BURIED IN GAAS - MAGNETOTRANSPORT AND SPIN-DISORDER SCATTERING [J].

ALLEN, SJ ;

TABATABAIE, N ;

PALMSTROM, CJ ;

HULL, GW ;

SANDS, T ;

DEROSA, F ;

GILCHRIST, HL ;

GARRISON, KC .

PHYSICAL REVIEW LETTERS, 1989, 62 (19) :2309-2312

[2] BAND-STRUCTURE, QUANTUM CONFINEMENT, AND EXCHANGE SPLITTING IN SC1-XERXAS EPITAXIAL LAYERS BURIED IN GAAS [J].

ALLEN, SJ ;

DEROSA, F ;

PALMSTROM, CJ ;

ZRENNER, A .

PHYSICAL REVIEW B, 1991, 43 (12) :9599-9609

[3]

ALLEN SJ, 1993, MATER RES SOC S P, P307

[4]

Andersen O. K., 1986, ELECT BAND STRUCTURE

[5] MEAN-VALUE POINT IN BRILLOUIN ZONE [J].

BALDERESCHI, A .

PHYSICAL REVIEW B, 1973, 7 (12) :5212-5215

[6] ANALYTICAL TREATMENT OF BAND-GAP UNDERESTIMATES IN THE LOCAL-DENSITY APPROXIMATION [J].

BECHSTEDT, F ;

DELSOLE, R .

PHYSICAL REVIEW B, 1988, 38 (11) :7710-7716

[7] MAGNETOTRANSPORT MEASUREMENTS ON THIN SC1-XERXAS EPITAXIAL-FILMS IN PULSED MAGNETIC-FIELDS [J].

BOGAERTS, R ;

VANBOCKSTAL, L ;

HERLACH, F ;

PEETERS, FM ;

DEROSA, F ;

PALMSTROM, CJ ;

ALLEN, SJ .

PHYSICA B, 1992, 177 (1-4) :425-429

[8]

BOGAERTS R, 1993, PHYSICA B, V184, P2320

[9] 3D-5D BAND MAGNETISM IN RARE-EARTH TRANSITION-METAL INTERMETALLICS - TOTAL AND PARTIAL MAGNETIC-MOMENTS OF THE GDFE2-YBFE2 LAVES PHASE-COMPOUNDS [J].

BROOKS, MSS ;

NORDSTROM, L ;

JOHANSSON, B .

JOURNAL OF PHYSICS-CONDENSED MATTER, 1991, 3 (14) :2357-2371

[10] ACOUSTIC DEFORMATION POTENTIALS AND HETEROSTRUCTURE BAND OFFSETS IN SEMICONDUCTORS [J].

CARDONA, M ;

CHRISTENSEN, NE .

PHYSICAL REVIEW B, 1987, 35 (12) :6182-6194