Spin conductance and spin filtering in ferromagnetic semiconductor quantum point contacts

被引：0

作者：

Vali, R. ^{[1
]}

Salehi, S. ^{[1
]}

机构：

[1] Damghan Univ, Sch Phys, Damghan, Iran

来源：

SOLID STATE COMMUNICATIONS | 2010年 / 150卷 / 47-48期

关键词：

Quantum point contacts; Ferromagnetic semiconductors; Spin filtering; MAGNETIC SEMICONDUCTOR; TRANSPORT; TRANSMISSION; QUANTIZATION; POLARIZATION; JUNCTIONS; HOLES;

D O I：

10.1016/j.ssc.2010.10.012

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

By combining the spin dependent transport properties of the ferromagnetic semiconductors with the basic physics of the quantum point contacts, we investigate the spin polarized transport through ferromagnetic semiconductor quantum point contacts. We find that the spin conductance strongly depends on the spin orientation, the magnitude of the spin splitting energy and the shape of the cross sections of the point contacts. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：2306 / 2309

页数：4

共 50 条

[1] Spin polarization and quantized conductance of ferromagnetic quantum point contacts
Li, YX
Li, BZ
[J]. PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS, 2004, 241 (13): : 3009 - 3013
[2] Spin-helical detection in a semiconductor quantum device with ferromagnetic contacts
Yang, Zedong
Crowell, Paul A.
Pribiag, Vlad S.
[J]. PHYSICAL REVIEW B, 2022, 106 (11)
[3] Spin-dependent transport and thermopower in ferromagnetic quantum point contacts
Li, YX
Li, BZ
[J]. PHYSICS LETTERS A, 2004, 330 (3-4) : 274 - 279
[4] Ferromagnetic Spin Coupling as the Origin of 0.7 Anomaly in Quantum Point Contacts
Aryanpour, K.
Han, J. E.
[J]. PHYSICAL REVIEW LETTERS, 2009, 102 (05)
[5] Conductance of Rashba spin-split systems with ferromagnetic contacts
Larsen, MH
Lunde, AM
Flensberg, K
[J]. PHYSICAL REVIEW B, 2002, 66 (03)
[6] Spin dynamics in point contacts to single ferromagnetic films
Balkashin, O. P.
Fisun, V. V.
Yanson, I. K.
Triputen, L. Yu.
Konovalenko, A.
Korenivski, V.
[J]. PHYSICAL REVIEW B, 2009, 79 (09)
[7] Theory of the spin-dependent transport in superconducting quantum point contacts with a ferromagnetic metal
Yoshida, N
Itoh, H
Tsuchiura, H
Tanaka, Y
Inoue, J
Kashiwaya, S
[J]. PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 2002, 367 (1-4): : 185 - 190
[8] Spin Quantum Bit with Ferromagnetic Contacts for Circuit QED
Cottet, Audrey
Kontos, Takis
[J]. PHYSICAL REVIEW LETTERS, 2010, 105 (16)
[9] Spontaneous spin polarization in quantum point contacts
Rokhinson, LP
Pfeiffer, LN
West, KW
[J]. PHYSICAL REVIEW LETTERS, 2006, 96 (15)
[10] Detection of spin polarization in quantum point contacts
Rokhinson, Leonid P.
Pfeiffer, Loren N.
West, Kenw W.
[J]. JOURNAL OF PHYSICS-CONDENSED MATTER, 2008, 20 (16)

← 1 2 3 4 5 →