Citation: Ting Lu YANG, Kang XU, Liang Bo FENG, Shi Kong SHEN. AN ESR STUDY OF MgO TREATED WITH SHOCK WAVE[J]. Chinese Chemical Letters, ;1996, 7(5): 487-490. shu

AN ESR STUDY OF MgO TREATED WITH SHOCK WAVE

Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences. Lanzhou 730000

Received Date: 24 October 1995

Fund Project: Supported by Chinese Natural Science Foundation

A MgO sample treated with shock wave was studied by using electron spin resonance(ESR) spectroscopy.An isotropic ESR singal at g=2.002 could be designated to F centers.O₂superoxide ions penetrated into the surface layer of MgO powder after shocking were identified at g_xx=2.006,g_yy=2.009,and g_zz=2.023,2.025.The change of surface adsorption ability for O₂ of shocked MgO was discussed.
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