Slidable atomic layers in van der Waals heterostructures

被引：18

作者：

Kobayashi, Yu ^{[1
]}

Taniguchi, Takashi ^{[2
]}

Watanabe, Kenji ^{[2
]}

Maniwa, Yutaka ^{[1
]}

Miyata, Yasumitsu ^{[1
,3
]}

机构：

[1] Tokyo Metropolitan Univ, Dept Phys, Hachioji, Tokyo 1920397, Japan

[2] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050044, Japan

[3] JST PRESTO, Kawaguchi, Saitama 3320012, Japan

来源：

APPLIED PHYSICS EXPRESS | 2017年 / 10卷 / 04期

关键词：

HEXAGONAL BORON-NITRIDE; MULTIWALL CARBON NANOTUBES; GROWTH; GRAPHENE; SUPERLUBRICITY; GRAPHITE; FRICTION; CRYSTAL; MOS2; WS2;

D O I：

10.7567/APEX.10.045201

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report the preparation and manipulation of slidable atomic layers in clean, incommensurate van der Waals (vdW) heterostructures. Monolayer and multilayer WS2 grains are grown on graphite and hexagonal boron nitride (hBN) via chemical vapor deposition, and these grains can slide smoothly on graphite and hBN surfaces by manipulation with a tip. Furthermore, this sliding process allows the suspension, tearing, stacking, and connection of the atomic layers. These results demonstrate a novel approach for developing a wide variety of atomic-layer heterostructures with tunable interlayer coupling and an ideal system for studying the superlubricity of incommensurate, highly clean vdW contacts. (c) 2017 The Japan Society of Applied Physics

引用

页数：4

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