In-Situ TEM Observation of Physical Degradation of AlGaN/GaN Devices under Applied Electric Field

2012 ◽  
Vol 18 (S2) ◽  
pp. 1872-1873 ◽  
Author(s):  
H. Ghassemi ◽  
A. Lang ◽  
M. Taheri

Extended abstract of a paper presented at Microscopy and Microanalysis 2012 in Phoenix, Arizona, USA, July 29 – August 2, 2012.

Micron ◽  
2012 ◽  
Vol 43 (11) ◽  
pp. 1121-1126 ◽  
Author(s):  
C.R. Winkler ◽  
A.R. Damodaran ◽  
J. Karthik ◽  
L.W. Martin ◽  
M.L. Taheri

2004 ◽  
Vol 268 (1-2) ◽  
pp. 198-203 ◽  
Author(s):  
Ai-Dong Li ◽  
Yi-Jun Wang ◽  
Su Huang ◽  
Jin-Bo Cheng ◽  
Di Wu ◽  
...  

Nanoscale ◽  
2019 ◽  
Vol 11 (35) ◽  
pp. 16562-16570 ◽  
Author(s):  
Yangbo Wang ◽  
Jiaxin Gao ◽  
Chao Gao ◽  
Hui Ma ◽  
Bingxiao Yang ◽  
...  

In situ, real-time, and reversible modulation of the luminescence of lanthanide doped in semiconductors was realized by adjusting the photo-generated charge carrier mobilities via an externally applied electric field.


Science ◽  
2019 ◽  
Vol 363 (6423) ◽  
pp. 161-165 ◽  
Author(s):  
Keiichi Yano ◽  
Yoshimitsu Itoh ◽  
Fumito Araoka ◽  
Go Watanabe ◽  
Takaaki Hikima ◽  
...  

Disk- and rod-shaped molecules are incompatible in coassembly, as the former tend to stack one-dimensionally whereas the latter tend to align in parallel. Because this type of incompatibility can be more pronounced in condensed phases, different-shaped molecules generally exclude one another. We report that supramolecular polymerization of a disk-shaped chiral monomer in nematic liquid crystals comprising rod-shaped molecules results in order-increasing mesophase transition into a single mesophase with a core-shell columnar geometry. This liquid crystalline material responds quickly to an applied electric field, resulting in unidirectional columnar ordering. Moreover, it can be modularly customized to be optoelectrically responsive simply by using a photoisomerizable rod-shaped module. The modular strategy allows for cooperative integration of different functions into elaborate dynamic architectures.


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