Publication Details Author R. Zhang C. Ti M. Davanço Y. Ren V. Aksyuk Y. Liu Kartik Srinivasan Publication Type Journal Article Year of Publication 2015 Volume 107 Number of Pages 131110 ISSN Number 0003-6951, 1077-3118 DOI 10.1063/1.4932201 URL http://aip.scitation.org/doi/10.1063/1.4932201 Journal Applied Physics Letters DOIGoogle Scholar Contributors Groups Srinivasan Research Group