One-dimensional Rashba states with unconventional spin texture in Bi chains

被引：3

作者：

Sheverdyaeva, P. M. ^{[1
]}

Pacile, D. ^{[2
]}

Topwal, D. ^{[3
,4
]}

Manju, U. ^{[5
]}

Papagno, M. ^{[2
]}

Feyer, V ^{[6
]}

Jugovac, M. ^{[1
,6
,14
]}

Zamborlini, G. ^{[6
]}

Cojocariu, I ^{[6
]}

Tusche, C. ^{[6
,7
]}

Tan, X. L. ^{[6
]}

Hagiwara, K. ^{[6
]}

Chen, Y-J ^{[6
,7
]}

Fujii, J. ^{[8
]}

Moras, P. ^{[1
]}

Ferrari, L. ^{[9
]}

Vescovo, E. ^{[10
]}

Bihlmayer, G. ^{[11
,12
,13
]}

Carbone, C. ^{[1
]}

机构：

[1] Ist Struttura Mat CNR ISM CNR, SS 14,Km 163,5, I-34149 Trieste, Italy

[2] Univ Calabria, Dipartimento Fis, I-87036 Arcavacata Di Rende, CS, Italy

[3] Homi Bhabha Natl Inst, Training Sch Complex, Mumbai 400094, Maharashtra, India

[4] Int Phys, Sachivalaya Marg, Bhubaneswar 751005, India

[5] CSIR Inst Minerals & Mat Technol, Bhubaneswar 751013, India

[6] Forschungszentrum Julich, Peter Grunberg Inst PGI, D-52425 Julich, Germany

[7] Univ Duisburg Essen, Fak Phys, D-47057 Duisburg, Germany

[8] Ist Officina Mat IOM CNR, Lab TASC, SS 14,Km 163-5, I-34149 Trieste, Italy

[9] CNR, Ist Struttura Mat, I-00133 Rome, Italy

[10] Brookhaven Natl Lab, Natl Synchrotron Light Source, Upton, NY 11973 USA

[11] Peter Grunberg Inst, D-52425 Julich, Germany

[12] Forschungszentrum Julich, Inst Adv Simulat, D-52425 Julich, Germany

[13] JARA, D-52425 Julich, Germany

[14] Elettra Sincrotrone Trieste, SS 14 Km 163-5, I-34149 Trieste, Italy

来源：

PHYSICAL REVIEW B | 2022年 / 106卷 / 04期

关键词：

CONVERSION;

D O I：

10.1103/PhysRevB.106.045108

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Spin-polarized electrons confined in low-dimensional structures are of high interest for spintronics applications. Here, we investigate the electronic structure of an ordered array of Bi monomer and dimer chains on the Ag(110) surface. By means of spin-resolved photoemission spectroscopy, we find Rashba-Bychkov split bands crossing the Fermi level with one-dimensional constant energy contours. These bands are up-spin polarized for positive wave vectors and down-spin polarized for negative wave vectors, at variance with the Rashba-Bychkov model that predicts a pair of states with opposite spin in each half of the surface Brillouin zone. Density functional theory shows that spin-selective hybridization with the Ag bulk bands originates this unconventional spin texture.

引用

页数：6

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