UIUC物理系博士涉嫌绑架章莹颖被捕,研究二维材料拓扑物理
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当地时间6月30日晚,美国联邦调查局 (FBI) 宣布已逮捕涉嫌绑架中国访问学者章莹颖的美国嫌犯Brendt Christensen。该男子27岁,是一名实验凝聚态物理博士生,与章莹颖同在伊利诺伊大学厄巴纳香槟分校 (UIUC)。他将在下周一正式接受审理。警方推定,章莹颖已经遇害。
据FBI提供的视频显示,2017年 6月9日下午2点左右,在西克拉克街与北古德温大道街角,克里斯滕森的黑色汽车停在章莹颖旁边,章莹颖上了疑犯车辆的副驾驶。然后车辆离开,往古德温大道北部驶去。自此,章莹颖失联。
6月18日,FBI公布章莹颖绑架案悬赏信息,将奖励1万美元给能提供其所在地点的爆料者。香槟区域主要是白人,FBI在寻人启事上公布的信息也显示,疑犯是白人的可能性很大。
目前,Brendt Christensen已经被刑事拘留,他承认自己绑架了章莹颖。基于此,以及调查中还未揭露的事实,执法人员认为,章莹颖目前已经遇害。
根据嫌犯LinkedIn上信息,他是伊利诺伊大学厄巴纳香槟分校的博士研究生,已在该校工作3年零7个月。其个人介绍显示:
“我是一名实验凝聚态物理的博士生。目前,我负责制作纳米级设备并进行相关电气测量,以发现介观物理的新知识。这些测量需要多种设备,特别是探针机台和低温系统。另外,我还需利用一些编程工具,诸如Python,LabVIEW;同时还涉及电子束刻蚀,原子力显微镜等。”
Brendt Christensen
PhD Candidate at University of Illinois at Urbana-Champaign
Experience
University of Illinois at Urbana-Champaign
PhD Student Researcher
Company Name: University of Illinois at Urbana-Champaign
Dates Employed: Jan 2014 – Present
Employment Duration: 3 yrs 7 mos
Location: Urbana, IL
Current research:
-Transport in thin flakes of Molybdenum Disulfide (MoS2)
-Investigating topologicalinsulators/superconductors, such as probing the
pairing symmetry of Bismuth Selenide (Bi2Se3)
Fabrication techniques used:
-Mechanical exfoliation of thin flakes
-CVD (chemical vapor deposition) oven cleaning of substrates
-Atomic force microscopy (AFM)
-Electron beam lithography
-Electron beam evaporation
-Thermal evaporation
-Scanning electron microscopy (SEM)
University of Illinois at Urbana-Champaign
Graduate Teaching Assistant
Company Name: University of Illinois atUrbana-Champaign
Dates Employed: Aug 2013 – Present
Employment Duration: 4 yrs
Location: Urbana, IL
-Supervised and guided discussion sections of ~20 students at a time while
they worked through physics problems
-Oversaw and graded quizzes
-Proctored exams
Awards:
Ranked excellent teaching assistant every single semester I taught (Fall
2013, Spring 2014, Fall 2015)
University of Wisconsin-Madison
Research Assistant
Company Name: University of Wisconsin-Madison
Dates Employed: May 2012 – May 2013
Employment Duration: 1 yr 1 mo
Location: Geneva Area, Switzerland
I worked for Matthew Herndon analyzing data created at the CMS Experiment in the Large Hadron Collider.
Education
University of Illinois at Urbana-Champaign
University of Illinois at Urbana-Champaign
Degree Name Doctor of Philosophy (Ph.D.) Field Of Study Experimental
Condensed Matter Physics
Dates attended or expected graduation 2013– 2019
University of Wisconsin-Madison
University of Wisconsin-Madison
Degree Name Bachelor of Science (BS) Field Of Study Physics
Dates attended or expected graduation 2009– 2013
Activities and Societies: Physics Club
B.S., Physics with honors
B.S., Mathematics
章莹颖,2013年本科毕业于中山大学,2016年硕士毕业于北京大学,并于2016-2017年于中国科学院客座学习。2017年4月,她前往美国伊利诺伊大学厄巴纳香槟分校交流学习。
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