Magnesiothermically Formed Porous Silicon Thin Films on Silicon-on-Insulator Optical Microresonators for High-Sensitivity DetectionXia, Zhixuan; Davis, Stan C.; Eftekhar, Ali A.; Gordin, Ari S.; Askari, Murtaza; Li, Qing; Ghasemi, Farshid; Sandhage, Kenneth H.; Adibi, Ali · Advanced Optical Materials · 2014