Ylwang 1

 

Yonglei Wang

Visiting Research Assistant Professor
Experimental Condensed Matter Physics

B.S., Univ. of Science and Technology of China, 2005

Ph.D., Institute of Physics, CAS, China, 2010

E-mail: ywang35@nd.edu

Personal page: https://sites.google.com/site/yongleiwangswebpage

Research Interests

My current research focuses on tailoring the properties of quantum materials with the objective of novel future electronic applications.  Materials of interest include artificial spin/magnetic-charge ice, nano-superconductors, topological materials, nano-magnets, two-dimensional materials, magnetic semiconductors and hybrid heterostructures of these materials. The research goal is to control the materials’ electronic or magnetic properties through nano-engineering and material hybridization for a desired phenomenon. Sample fabrication methods include optical and e-beam lithography, reactive ion etching, ion milling, magnetron sputtering, e-beam evaporator etc. The characterization technique combines scanning force microscopy (AFM/MFM/EFM) imaging/patterning with transport measurements in environments of variable temperatures, three-dimensional magnetic fields and gated electric fields. 

Selected Publications

Rewritable Artificial Magnetic Charge Ice
Yong-Lei Wang, Zhi-Li Xiao, Alexey Snezhko, Jing Xu, Leonidas E. Ocola, Ralu Divan, John E. Pearson, George W. Crabtree and Wai-Kwong Kwok 
Science 352, 962 (2016)
Notre Dame News, Physics World, EurekAlert, (e)Science News, Science Newsline, AZO Materials, Xinhua News

C. J. Olson Reichhardt, Y. L. Wang, Z. L. Xiao, W. K. Kwok, D. Ray, C. Reichhardt and B. Janko. Pinning, Flux Diodes and Ratchets for Vortices Interacting with Conformal Pinning Arrays.
Physica C, doi:10.1016/j.physc.2016.05.024 (2016)

Enhancing superconducting critical current by randomness
Y. L. Wang, L. R. Thoutam, Z. L. Xiao, B. Shen, J. Pearson, R. Divan, L. E. Ocola, G. W. Crabtree & W. K. Kwok 
Phys. Rev. B. 93, 045111 (2016)

Origin of the turn-on temperature behavior in WTe2
Y. L. Wang, L. R. Thoutam, Z. L. Xiao, J. Hu, S. Das, Z. Q. Mao, J, Wei, R. Divan, A. Luican-Mayer, G. W. Crabtree, W. K. Kwok 
Phys. Rev. B. 92, 180402 (2015)

Temperature dependent three-dimensional anisotropy of the magnetoresistance in WTe2
L. R. Thoutam, Y. L. Wang, Z. L. Xiao, S. Das, A. Luican-Mayer, R. Divan, G. W. Crabtree and W. K. Kwok 
Phys. Rev. Lett. 115, 046602 (2015)
Selected for Viewpoint: Electrons Travel Between Loosely Bound Layers. Kamran Behnia, Physics 8, 71

Visualizing Atomic scale Effects of High-Energy Ion Irradiation on Superconductivity and Vortex Pinning in Fe(Se,Te)
F. Massee, P. O. Sprau, Y. L. Wang, J. C. Davis, G. Ghigo, G. Gu, and W. K. Kwok 
Sci. Adv. 1, e1500033 (2015)

Enhancing the critical current of a superconducting film in a wide range of magnetic fields with a conformal array of nanoscale holes
Y. L. Wang, M. L. Latimer, Z. L. Xiao, R. Divan, L. E. Ocola, G. W. Crabtree, and W. K. Kwok
Phys. Rev. B (R) 87, 220501 (2013)

Evidence of a Spin ResonanceMode in the Iron-Based Superconductor Ba0.6K0.4Fe2As2 from Scanning Tunneling Spectroscopy
Lei Shan, Jing Gong, Yong-Lei Wang, Bing Shen, Xingyuan Hou, Cong Ren, Chunhong Li, Huan Yang, Hai-Hu Wen, Shiliang Li, and Pengcheng Dai
Phys. Rev. Lett. 108, 227002 (2012)

Networks of Ultrasmall Pd/Cr Nanowires as High Performance Hydrogen Sensors
Xiao-Qiao Zeng, Yong-Lei Wang, Henry Deng, Michael L. Latimer, Zhi-Li Xiao, John Pearson, Tao Xu, Hsien-Hau Wang, Ulrich Welp, George W. Crabtree, and Wai-Kwong Kwok
ACS Nano 5, 7443(2011)

Observation of ordered Vortices with Andreev bound states in Ba0.6K0.4Fe2As2
Lei Shan, Yong-Lei Wang, Bing Shen, Bin Zeng, Yan Huang, Yi Xuan, Ang Li, Da Wang, Huan Yang, Cong Ren, Qiang-Hua Wang, Shuheng Pan, and Hai-Hu Wen
Nature Physics 7, 325 (2011)

Full publication list at http://scholar.google.com/citations?user=GiZ_CyQAAAAJ&hl=en