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Topologically Entangled Rashba-Split Shockley States on the Surface of Grey Arsenic
Zhang, Peng; Ma, J-Z; Ishida, Y.; Zhao, L-X; Xu, Q-N; Lv, B-Q; Yaji, K.; Chen, G-F; Weng, H-M; Dai, X.; Fang, Z.; Chen, X-Q; Fu, L.; Qian, T.; Ding, H.; Shin, S.; Shin, S (reprint author), Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba 2778581, Japan.; Qian, T; Ding, H (reprint author), Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China.; Ding, H (reprint author), Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.; Ding, H (reprint author), Collaborat Innovat Ctr Quantum Matter, Beijing, Peoples R China.
2017-01-27
发表期刊PHYSICAL REVIEW LETTERS
ISSN0031-9007
卷号118期号:4页码:-
摘要We discover a pair of spin-polarized surface bands on the (111) face of grey arsenic by using angleresolved photoemission spectroscopy (ARPES). In the occupied side, the pair resembles typical nearlyfree- electron Shockley states observed on noble-metal surfaces. However, pump-probe ARPES reveals that the spin-polarized pair traverses the bulk band gap and that the crossing of the pair at (Gamma) over bar G is topologically unavoidable. First-principles calculations well reproduce the bands and their nontrivial topology; the calculations also support that the surface states are of Shockley type because they arise from a band inversion caused by crystal field. The results provide compelling evidence that topological Shockley states are realized on As(111).; We discover a pair of spin-polarized surface bands on the (111) face of grey arsenic by using angleresolved photoemission spectroscopy (ARPES). In the occupied side, the pair resembles typical nearlyfree- electron Shockley states observed on noble-metal surfaces. However, pump-probe ARPES reveals that the spin-polarized pair traverses the bulk band gap and that the crossing of the pair at (Gamma) over bar G is topologically unavoidable. First-principles calculations well reproduce the bands and their nontrivial topology; the calculations also support that the surface states are of Shockley type because they arise from a band inversion caused by crystal field. The results provide compelling evidence that topological Shockley states are realized on As(111).
部门归属[zhang, peng ; ishida, y. ; yaji, k. ; shin, s.] univ tokyo, inst solid state phys, kashiwa, chiba 2778581, japan ; [zhang, peng ; ma, j-z ; zhao, l-x ; xu, q-n ; lv, b-q ; chen, g-f ; weng, h-m ; dai, x. ; fang, z. ; qian, t. ; ding, h.] chinese acad sci, beijing natl lab condensed matter phys, beijing 100190, peoples r china ; [zhang, peng ; ma, j-z ; zhao, l-x ; xu, q-n ; lv, b-q ; chen, g-f ; weng, h-m ; dai, x. ; fang, z. ; qian, t. ; ding, h.] chinese acad sci, inst phys, beijing 100190, peoples r china ; [chen, g-f ; weng, h-m ; dai, x. ; fang, z. ; qian, t. ; ding, h.] collaborat innovat ctr quantum matter, beijing, peoples r china ; [chen, x-q] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china ; [fu, l.] mit, dept phys, cambridge, ma 02139 usa
学科领域Physics, Multidisciplinary
资助者JSPS (KAKENHI) [25220707, 26800165, 15K17675]; National Natural Science Foundation of China [11674371, 11474340, 11234014, 11274359, 11422428, 51671193]; Ministry of Science and Technology of China [2013CB921700, 2015CB921300, 2016YFA0300600, 2016YFA0401000]; Chinese Academy of Sciences [XDB07000000]; Photon and Quantum Basic Research Coordinated Development Program from MEXT
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/78330
专题中国科学院金属研究所
通讯作者Shin, S (reprint author), Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba 2778581, Japan.; Qian, T; Ding, H (reprint author), Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China.; Ding, H (reprint author), Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.; Ding, H (reprint author), Collaborat Innovat Ctr Quantum Matter, Beijing, Peoples R China.
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GB/T 7714
Zhang, Peng,Ma, J-Z,Ishida, Y.,et al. Topologically Entangled Rashba-Split Shockley States on the Surface of Grey Arsenic[J]. PHYSICAL REVIEW LETTERS,2017,118(4):-.
APA Zhang, Peng.,Ma, J-Z.,Ishida, Y..,Zhao, L-X.,Xu, Q-N.,...&Ding, H .(2017).Topologically Entangled Rashba-Split Shockley States on the Surface of Grey Arsenic.PHYSICAL REVIEW LETTERS,118(4),-.
MLA Zhang, Peng,et al."Topologically Entangled Rashba-Split Shockley States on the Surface of Grey Arsenic".PHYSICAL REVIEW LETTERS 118.4(2017):-.
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