Condensed matter experiment
凝聚态实验

Low temperature and quantum transport

  • Chen, Jian-Hao: Explore new physics and new functionality of low dimensional electronic materials by controllably tuning disorders, functional groups and their interactions with the charge and spin carriers of the materials while probing their electronic transport properties in-situ;
  • Du,  Rui-Rui: Experiments on quantum transport in condensed matter, in particular the Fractional Quantum Hall Effect, Quantum Spin Hall Effect, Luttinger liquid, and other emergent phenomena;
  • Lin,  Xi: Quantum transport experiments at dilution refrigerator temperatures, in particular the tunneling of edge channels in the quantum Hall effect;
  • Wang, Jian: Transport properties of topological materials and low dimensional superconductors in low temperature and high magnetic field;
  • Zhang, Chi: Quantum Transport in two-dimensional electron & hole systems (2DES & 2DHS), including the Fractional Quantum Hall Effect & Wigner Crystal. Measurements on non-equilibrium states under microwave.
  • He, Qing Lin: Molecular beam epitaxial (MBE) growth of quantum material thin films and nanostructures, including topological (crystalline) insulator, topological superconductor and Majorana fermion, Weyl/topological semimetal, antiferromagnet, etc.; Low temperature quantum transport.

 

Spectroscopy and high-resolution detection

  • Gao, Peng: Using transmission electron microscopy (TEM) and spectroscopy techniques, we probe the atomic structure and properties of interface and low-dimensional materials;
  • Jiang, Ying: Scanning Probe Microscopy, Surface Science, Single-molecule physics and chemistry, Low dimensional quantum materials;
  • Li, Yuan: Experimental study of strongly correlated electron systems and unconventional superconductors. Primary methods are solid-state spectroscopy, such as elastic and inelastic neutron scattering, X-ray scattering, and Raman spectroscopy;
  • Qiu, Ziqiang: Experimental study of MBE grown magnetic ultrathin films using Magneto-Optic effect and x-rays;
  • Sun,  Dong: Ultrafast carrier dynamics and optoelectronics in two-dimensional and topological quantum materials and functional devices based on these materials and optical control of quantum degree of freedom. Major experimental techniques include:ultrafast pump-probe spectroscopy, scanning photo current spectroscopy, time-domain THz spectroscopy,PL,Raman and magneto-optical spectroscopy;
  • Wang, Nanlin: Strongly correlated electron systems and unconventional superconductivity, competing orders and collective phenomena in complex electronic materials; primary experimental tools include infrared and optical spectroscopy, time-domain THz spectroscopy and ultrafast pump-probe technique;
  • Zhang, Yan: Angle-resolved photoemission spectroscopy study on the novel electronic structure in correlated materials. Tuning the properties of low-dimensional electronic state (surface and interface) by surface manipulation and MBE techniques.

 

Spin and Low-Dimensional Magnetism

  • Wei Han: Spintroincs in low dimensional quantum materials, Novel materials and interface states, All-oxide-based spintronics, Molecular beam epitaxy;
  • Jia, Shuang: Design, synthesis and characterization of novel solid state bulk materials, including topological semimetals/superconductors and new ferromagnetic materials;
  • Li, Jia: Magnetic properties of magnetic thin films and magnetic nanostructure. The prior topics include: Artificial magnetic structure and the topological manipulation of nanomagnet, Ultrafast magnetic properties of 3d transition metal;
  • Shi, Jing: Experiments on magnetism, semi-conductor and low-dimensional systems, in particular Carbon-based spintronics and new materials for spintronics.

 

AMO experiment and precision measurement

  • Zhang, Xibo: Ultracold strontium atoms and precision measurement; making and probing novel strongly correlated states with high-spatial-resolution microscopy and high-frequency-resolution laser spectroscopy; interacting topological quantum states.

 

低温和量子输运凝聚态物理实验

  • 陈剑豪低维纳米电子材料和器件的物性研究与原位量子输运表征;
  • 杜瑞瑞凝聚态量子输运实验研究,主要是分数量子霍尔效应、量子自旋霍尔效应、Luttinger 液体及其他衍生现象;
  • 林熙极低温下的量子输运实验,主要是量子霍尔效应边界电流的隧穿和干涉;
  • 王健低温和高磁场下,拓扑材料、低维超导体的量子输运物性;
  • 张弛二维电子和空穴气中的量子输运实验,包括分数量子霍尔效应和Wigner晶态。以及微波下的非平衡态实验测量。
  • 何庆林:分子束外延生长拓扑量子材料薄膜和纳米结构,主要包括拓扑(晶体)绝缘体、拓扑超导体与马约拉纳费米子、外尔/拓扑半金属、反铁磁体等,以及低温量子输运;

谱学及高分辨探测凝聚态物理实验

  • 高鹏基于电子显微镜的超高空间图像定量分析、原位局域场探测技术、高能量分辨的电子能量损失谱技术研究界面与低维材料的结构物性,目前主要研究的体系包括(1)铁电、铁磁、超导薄膜等,(2)固体离子迁移行为,(3)轻元素纳米结构的结构物性;
  • 江颖表面科学、扫描探针显微学、单分子物理化学、二维材料、原子尺度上的物性及非平衡超快动力学过程;
  • 李源强关联电子材料、非寻常超导材料的实验研究,主要方法包括弹性及非弹性的中子散射,X射线散射,拉曼光谱等;
  • 邱子强用分子束外延生长低维超薄膜,并用光学和X射线等手段研究低维磁性材料;
  • 孙栋二维和拓扑量子材料及功能器件的超快动力学及光电转化,相关量子自由度的光学调控。主要实验方法包括超快泵浦探测光谱,光电流谱,时域THz光谱,光致发光,拉曼光谱和磁光光谱等;
  • 王楠林非常规超导体与强关联电子系统,复杂电子材料的集体现象与竞争序;主要方法包括傅里叶变换红外光谱、时域太赫兹光谱、超快泵浦探测等;
  • 张焱利用角分辨光电子能谱技术,研究关联电子材料中的奇异电子结构。通过表面处理技术和分子束外延调控表面和界面的低维电子态。

 

自旋及低维磁性凝聚态物理实验

  • 韩伟低维量子材料、氧化物材料的自旋电子学,新材料及其界面态的研究,以及利用MBE制备低维纳米材料;
  • 贾爽拓扑半金属/超导体以及磁性材料的样品生长,热力学/电热输运性质研究;
  • 栗佳磁性超薄膜和磁性纳米结构的各类磁学性质。目前感兴趣的研究内容包括:1. 人工磁性纳米结构的拓扑磁性和拓扑操控。2. 各类磁性材料的超快磁性研究;
  • 施靖磁学、半导体及低维体系的实验研究,主要是碳基自旋电子学和自旋电子学新材料。

 

AMO实验及精密测量

  • 张熙博超冷锶原子及精密测量。利用高空间分辨率光学显微技术和超稳定激光光谱技术,构造和探测强关联态。对相互作用拓扑量子态进行研究。