热升华：一种用于制备少层黑磷的可扩展可控减薄方法
材料科学
2017-08-02 v4
摘要
在本工作中，我们报道了黑磷在低于600 K加热条件下的均匀逐层升华。热减薄后BP样品的均匀性和结晶性通过拉曼光谱和二维拉曼成像得到确认。利用该方法制备了面积为180 um^2的均匀结晶双层黑磷薄片。未观察到微米级缺陷。BP的升华速率在500 K时约为0.18 nm / min，在550 K时约为1.5 nm / min。建立了室温及高温下拉曼峰强度比Si/A2g与BP厚度的关系，用于原位厚度测定。升华减薄方法被证明是一种制备少层黑磷的可控且可扩展的方法。
引用
@article{arxiv.1601.04103,
title = {Thermal Sublimation: a Scalable and Controllable Thinning Method for the Fabrication of Few-Layer Black Phosphorus},
author = {Weijun Luo and Rui Yang and Jialun Liu and Yunlong Zhao and Wenjuan Zhu and Guangrui and Xia},
journal= {arXiv preprint arXiv:1601.04103},
year = {2017}
}
备注
New data have been included in this version, which were presented at the MRS fall meeting 2016