贾爽
副教授,博士生导师
个人主页:http://www2.phy.pku.edu.cn/~sjia/home.html
学术背景:
2012-今 副教授, 北京大学量子材料中心研究员,博士生导师
2008-2012年 博士后, 美国普林斯顿大学(Robert J. Cava)
2002-2008年 物理博士,美国爱荷华州立大学(Paul C. Canfield)
2000年 物理学士,北京大学(高巧君)
主要研究方向:
探索和合成新型体材料,包括强关联电子系统,拓扑绝缘体和新型热电材料。 近年来从事具有光催化活性的半导体材料的能带设计和电子性质表征工作。
代表性成果及贡献简述:
- 稀磁稀土金属间化合物的电子性质研究。相继发现了包括高温铁磁,近铁磁的强关联系统,重费米子等一系列特异的电子现象。
- ThCr2Si2结构化合物的结构相变与磁性质的研究。首次发现了包括由化学键断裂导致的量子相变等一系列奇异的物理现象。
- 新型的拓扑绝缘体材料和量子相变;以及提高拓扑绝缘体材料性能,新型热电材料等。
学术会议:
- “Transport and thermoelectric properties of Bi2Te2Se” IUMRS 12th International Conference on Advanced Materials, September, 2013
- “Dimer breaking and electronic correlation in ThCr2Si2 structure compounds” 17th International Conference on Crystal Growth, Monterey, August 1-5, 2011
- “Growth and characterization of RT2Zn20 family of dilute, rare earth bearing intermetallics: from Stoner limit to heavy Fermion” 15th International Conference on Crystal Growth, Salt Lake City, August 12-17, 2007
发表论文:
在国际学术期刊发表了20余篇论文。其中第一作者包括2篇Nature Physics, 7篇Physical Review B。合作作者包括1篇Science以及1篇 Nature Materials等。部分发表的论文如下:
- “Tuning the quantum oscillations of surface Dirac electrons in the topological insulator Bi2Te2Se by liquid gating” Jun Xiong, Yuehaw Khoo, Shuang Jia, R. J. Cava, and N. P. Ong, Phys. Rev. B 88, 035128, Editors’ suggestion (2013)
- “Defects and high bulk resistivities in the Bi-rich tetradymite topological insulator Bi2+xTe2−xSe” S. Jia, Haim Beidenkopf, Ilya Drozdov, M. K. Fuccillo, J. Seo, Jun Xiong, N. P. Ong, Ali Yazdani, and R. J. Cava, Phys. Rev. B 86, 165119, Editors’ suggestion (2012)
- “Thermoelectric power of the YbT2Zn20 (T = Fe, Ru, Os, Ir, Rh, and Co) heavy fermions” E. D. Mun, S. Jia, S. L. Bud’ko, and P. C. Canfield, Phys. Rev. B 86, 115110 (2012)
- “Low carrier concentration crystals of the topological insulator Bi2Te2Se ” S. Jia, Huiwen Ji, E. Climent-Pascual, M. Fuccillo, M.E. Charles, and R. J. Cava, Phys. Rev. B 84, 235206, Editors’ suggestion (2011)
- “Texture inversion and topological phase transition in a tunable spin-orbit system” Su-Yang Xu, Y. Xia, L. A. Wray, S. Jia, F. Meier, J. H. Dil, J. Osterwalder, B. Slomski, A. Bansil, H. Lin, R. J. Cava, and M. Z. Hasan, Science 332, 560 (2011)
- “Ferromagnetic quantum critical point induced by dimer-breaking in SrCo2(Ge1−xPx)2” S. Jia, Pawina Jiramongkolchai, M. R. Suchomel, B. H. Toby, J. G. Checkelsky, N. P. Ong, R. J. Cava, Nat. Phys. 6, 207-210 (2011)
- “Half-Heusler ternary compounds as new multifunctional experimental platforms for topological quantum phenomena” Hsin Lin, L. Andrew Wray, Yuqi Xia, Suyang Xu, S. Jia, Robert J. Cava, Arun Bansil and M. Zahid Hasan, Nature Materials 9, 546-549 (2010)
- “Magnetic and structural Properties of Ca(Fe1−xCox)2P2 and Ca(Ni1−xCox)2P2” S. Jia, Songxue Chi, J.W. Lynn and R.J. Cava, Phys. Rev. B 81, 214446 (2010)
- “Lattice collapse and the magnetic phase diagram of Sr1−xCaxCo2P2” S. Jia, A.J.Williams, P.W. Stephens, R.J. Cava, Phys. Rev. B 80, 165107 Editors’ suggestion (2009)
- “Magnetic properties of RFe2Zn20 and RCo2Zn20 (R = Y, Nd, Sm, Gd - Lu)” S. Jia, N. Ni, S.L. Bud’ko and P.C. Canfield, Phys. Rev. B 80, 104403 (2009)
- “Magnetic properties of GdxY1−xFe2Zn20” S. Jia, N. Ni, S.L. Bud’ko, P.C. Canfield, Phys. Rev. B 76, 184410 (2007)
- “Six closely related YbT2Zn20 (T = Fe, Co, Ru, Rh, Os, Ir) heavy fermion compounds with large local moment degeneracy” M. S. Torikachvili, S. Jia, E.D. Mun, S.T. Hannahs, R.C. Black, W.K. Neils, D. Martien, S.L. Bud’ko and P.C. Canfield, PNAS 104, 9960 (2007)
- “Nearly ferromagnetic Fermi-liquid behaviour in YFe2Zn20 and high-temperature ferromagnetism of GdFe2Zn20” S. Jia, S.L. Bud’ko, G.D. Samolyuk and P.C. Canfield, Nat. Phys 3, 334 (2007)
主要项目:
- 973 2013CB921901 《新型量子材料中电子内禀自由度的调控》, 2013-2018年度,学术骨干。
- 973 2014CB239302 《表/界面调控及光化学机制的先进表征和理论研究》, 2014-2019年度,第二课题组负责人。
荣誉与获奖情况:
- 审稿人:Physical Review Letter, Physical Review B
- 主持学术会议: Strongly correlated electron system session in 17th International Conference on Crystal Growth , Monterey, August 1-5, 2011