offer一枚
学员背景
- 学员：许同学
- 原学校：华中科技大学
- 原专业：物理/化学/生物
- GPA：3.9 | 4分制
- 标化成绩：TOEFL:93、GRE:321
- 背景提升：如何提升背景？
- 主要经历：
学术研究经历：
Patterned Graphene Based on Self-Assembled Microsphere 04/2019- 10/2019
Characterize different two-dimensional materials with different layers by using Raman spectroscopy.
Prepared graphene samples and BN samples by mechanical exfoliation and used dry-transfer to obtain the van der Waals heterostructure and check the samples with SEM.
Created pattern on the graphene and encapsulated it with hBN (hexagonal Boron Nitride) and used E-beam lithography to add electrodes to create devices which used as sensor for gas-sensing.
Investigated the Moiré superlattice with the engineered band structure created by patterned graphene.
Electronic Structures and Elastic Properties of Perovskites 06/2017- 10/2018
Used Diamond to draw the crystal structure of perovskite, learned Density Functional Theory (DFT), and used MATLAB to compute the elastic properties of a novel perovskite which was claimed to possess outstanding piezoelectric effect by previous publications.
Helped synthesize the 1D helical coordination polymers to successfully achieve resolution of chiral nitrogen atom.
Helped synthesize chemicals and conducted x-ray diffraction measurement of the chemical structures, and used DFT to obtain its microstructure under high pressure.
Nano-devices Made by Two-dimensional Materials 07/2018- 02/2019
Took Hammers approach to synthesize graphene oxide, blended it with cellulose to create graphene oxide aerogels, which has excellent electric conductivity.
Combined the graphene oxide aerogels and RFID electronic tag to propose a device for pressure detection in building constructions.
出版物：
Publications
Resolution of chiral nitrogen atoms in 1D helical coordination polymers. Guoqiang Feng, Haoxiang Xu, Wei Li, Jie Zhang, Inorganic Chemistry Communications 96 (2018) 81-85.
Electronic structures and elastic properties of a family of metal-free perovskites. Kai Li, Liyuan Dong, Haoxiang Xu, Yan Qin, Zhigang Li, Muhammad Azeem, Wei Li, Xianhe Bu, Material Chemistry Frontiers, 2019, 3, 1678.
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