期刊
APPLIED PHYSICS LETTERS
卷 100, 期 24, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4729056
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资金
- National Basic Research Program of China [2012CB927401, 2011CB922200, 2011CB921902]
- NSFC [10928408, 10874116, 10904090]
- Shanghai Committee of Science and Technology, China [10QA1403300, 10JC1407100, 10PJ1405700]
- Chinese Academy of Sciences [KJCX2.YW.W10]
- Shanghai Municipal Education Commission
- Shanghai Education Development Foundation
- Shanghai Institutions of Higher Learning
The crystal structure, electronic, and magnetic properties of Gadolinium (Gd) substituted Bi2Se3-represented by Bi1.98Gd0.02Se3-were investigated systematically by scanning tunneling microscopy, angle-resolved photoemission spectroscopy, and superconducting quantum interference device. Gd dopants with valence of 3 vertical bar were mainly found to substitute Bi atoms. Each Gd3+ ion has a magnetic moment as large as similar to 6.9 mu(B) in the bulk paramagnetic state. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4729056]
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