| Controllable Modulation to Quantum Well States on β-Sn Islands |
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| 作者姓名： | 王泽睿 赵晨晓 王观勇 秦晋 夏冰 杨波 管丹丹 王世勇 郑浩 李耀义 刘灿华 贾金锋 |
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| 作者单位： | 1. Key Laboratory of Artificial Structures and Quantum Control (Ministry of Education) School of Physics and Astronomy Shanghai Jiao Tong University;2. Tsung-Dao Lee Institute |
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| 基金项目： | Supported by the National Natural Science Foundation of China (Grant Nos. 11521404,11634009,11674222,11674226,11790313,11574202,11874256,U1632102,11861161003 and 11874258)； |
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| 摘 要： | We investigate the surface structure and electronic properties of β-Sn islands deposited on a graphitized 6 H-SiC(0001) substrate via low temperature scanning tunneling microscopy and spectroscopy.Owing to the confinement of the island geometry,quantum well states(QWSs) are formed,manifesting as equidistant peaks in the tunneling spectra.Furthermore,a distinct strip feature appears on the surfaces of odd-layer Sn islands,ranging from 15-19 layers,which is not present on the surfaces of even-laye...
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