中国物理B ›› 2015, Vol. 24 ›› Issue (9): 96101-096101.doi: 10.1088/1674-1056/24/9/096101
• CONDENSED MATTER: STRUCTURAL, MECHANICAL, AND THERMAL PROPERTIES • 上一篇 下一篇
汤顺熙a, 祝洪洋a, 江俊儒a, 武晓鑫a, 董蕴萱a, 张剑a, 杨大鹏b, 崔啟良a
Tang Shun-Xi (汤顺熙)a, Zhu Hong-Yang (祝洪洋)a, Jiang Jun-Ru (江俊儒)a, Wu Xiao-Xin (武晓鑫)a, Dong Yun-Xuan (董蕴萱)a, Zhang Jian (张剑)a, Yang Da-Peng (杨大鹏)b, Cui Qi-Liang (崔啟良)a
摘要: Uniform InN nanowires were studied under pressures up to 35.5 GPa by using in situ synchrotron radiation x-ray diffraction technique at room temperature. An anomalous phase transition behavior has been discovered. Contrary to the results in the literature, which indicated that InN undergoes a fully reversible phase transition from the wurtzite structure to the rocksalt type structure, the InN nanowires in this study unusually showed a partially irreversible phase transition. The released sample contained the metastable rocksalt phase as well as the starting wurtzite one. The experimental findings of this study also reveal the potentiality of high pressure techniques to synthesize InN nanomaterials with the metastable rocksalt type structure, in addition to the generally obtained zincblende type one.
中图分类号: (Structure of nanowires and nanorods (long, free or loosely attached, quantum wires and quantum rods, but not gate-isolated embedded quantum wires))