研究介绍
主要使用低温扫描隧道显微镜和原子力显微镜,研究表征单分子及分子自组装纳米材料的电子结构性质和原子尺度的健合结构。利用扫描针尖或激光精细调控单分子和自组装纳米材料的电子特性, 研究由电场或光子对分子器件的调控原理。现在的主要研究对象包括分子自主装合成的石墨烯纳米结构和单分子在绝缘衬底上的化学和物理特性。
科研成果
1. Nanoscale photoelectron mapping and spectroscopy with an atomic force microscope
P. Yu, J. Kirschner
Phys. Rev. Lett. 111, 067602 (2013)
2. Nanoscale imaging of photoelectrons using an atomic force microscope
P. Yu, J. Kirschner
Appl. Phys. Lett. 102, 063111 (2013)
3. Spin-orbit coupling in unoccupied quantum well states: experiment and theory for Co/Cu(001)
C.-T. Chiang, A. Winkelmann, P. Yu, J. Henk and J. Kirschner,
Phys. Rev. B. 81, 115130 (2010)
4. Magnetic dichroism from optically excited quantum well states
C.-T. Chiang, A. Winkelmann, P. Yu, and J. Kirschner
Phys. Rev. Lett. 103, 077601 (2009)
5. Unconventional spin topology in surface alloys with Rashba-type spin splitting
H. Mirhosseini, J. Henk, A. Ernst, S. Ostanin, C.-T. Chiang, P. Yu, A. Winkelmann, and J. Kirschner
Phys. Rev. B. 79, 245428 (2009)
6. Correlation between spin reorientation transition and Curie temperature of NixPd1−x alloy on Cu(001)
P. Yu, L. F. Yin, D. H. Wei, C. S. Tian, G. S. Dong, and X. F. Jin
Phys. Rev. B. 79, 212407 (2009)
7. Curie temperatures of fcc and bcc nickel and permalloy: Supercell and Green’s function methods
P. Yu, X. F. Jin, J. Kudrnovsky, D. S. Wang, and P. Bruno
Phys. Rev. B. 77, 054431 (2008)