Group-III-nitride semiconductors have considerable potential for electronic and optoelectronic applications, but unintended defects tend to form in their structure during fabrication, which may affect the electrical properties. Two researchers at the University of British Columbia detailed the striking contrast between the effects of threading dislocation lines in gallium nitride versus indium nitride.
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Classic physics teaches there are four states of matter, but better understanding of matter’s more exotic properties has led to identification of additional states. New studies suggest the possibility of two new electronic states of matter.
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Scientists at the University of California, San Diego have developed a method called water-assisted flash sintering that can densify powders to 98% of theoretical density in just 30 seconds. Their method takes place at room temperature and requires no external heating.
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Lehigh University scientists have recently gained some important insight into how glass reacts to electric field-induced softening through thermo-electro poling experiments with another research group in Germany.
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Piezoelectric washers, zinc oxide nanopyramids, and other materials stories that may be of interest for November 17, 2015.
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