Our Group

Our group constitutes energetic graduate students and undergraduate students who focus on building advanced nanoelectronics and understanding their quantum transport properties.

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Group News

Research results on topological semi-metal were selected in 2018 National Science and Technology Week and Beijing Science and Technology Week. Adv.Mater. 201706402.

In-situ Quantum Transport Facility

This special facility is built by our group which can continuously modify the surface of 2D Material while performing quantum transport measurement at the same time.

In-situ Quantum Transport Facility

This special facility is built by our group which can continuously modify the surface of 2D Material while performing quantum transport measurement at the same time.

Research Highlight 1

An unambiguous identification of the broken inversion symmetry in TaIrTe4 is established. A quick and nondestructive way to identify the crystal orientation of TaIrTe4 crystals has also been found. Adv.Mater. 201706402.

Research Highlight 2

By the application of vertical electric field in dual-gated BP field-effect transistors, a total bandgap reduction of 124 meV is observed. Highlighted by National Science Review 4: 791–793, 2017. CPL, 34, 4, 047304.

Research Highlight 3

The change of MR could be as large as 400,000%, if the ultra-thin samples are tuned to neutrality when preserving the mobility of 167,000 cm2V-1s-1 observed in bulk samples. 2D Materials 4, 021018.

Research Highlight 4

A simple one-step procedure was used to mass produce air-stable few-layer black phosphorus FLBP/phospholipids nanocomposite in liquid phase with ultralow tunneling barrier.
2D Materials. 5 025012

Research Highlight 5

The first study in which the stabilities of fully symmetry broken QHstates are probed all together. 2D Mater. 4 015003

Research Highlight 6

This experiment provided a complete picture of how the performance of high quality graphene field effect devices is affected by their major scatterers. Nature Nano 3, 206

Research Highlight 7

Lattice Defects deminishes mobility without increasing the depth of electron-hole puddles. RPL 102, 236805

Research Highlight 8

Point defects in graphene are local moments which interact strongly with the conduction electrons through the Kondo effect. Nature Physics 7, 535

Research Highlight 9

Tuning electron-electron interactions in graphene have opposite effects in the strength of long-ranged and short-ranged scattering. Phys. Rev. Lett. 101, 146805

Research Highlight 10

The first experimental proof that charged impurity is the dominant carrier scatterers in high quality graphene samples. Nature Physics, 4, 377 - 381

Laboratory for Nanoelectronics and In-situ Quantum Transport


Principal investigator: Jian-Hao Chen

Contact

Office:   Room 667, West Physics Building

Tel :   +86-10-62754537

E-mail :   chenjianhao(at)pku.edu.cn

Lab:   Room 507, Room 407, East Physics Building

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Join us

Graduate Students:   1 or 2 per year.

Post Docs, Exchange Graduate Student:   Check with Dr. Chen for position availability.

Motivated undergraduate students are always welcome!