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2017 Volume 34 Issue 4
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Xiao-Yan Cui, Ting-Jing Hu, Jing-Shu Wang, Jun-Kai Zhang, Xue-Fei Li, Jing-Hai Yang, Chun-Xiao Gao. 2017: Pressure Effects on the Charge Carrier Transportation of BaF2 Nanocrystals, Chinese Physics Letters, 34(4): 68-70. doi: 10.1088/0256-307X/34/4/046401
Citation: Xiao-Yan Cui, Ting-Jing Hu, Jing-Shu Wang, Jun-Kai Zhang, Xue-Fei Li, Jing-Hai Yang, Chun-Xiao Gao. 2017: Pressure Effects on the Charge Carrier Transportation of BaF2 Nanocrystals, Chinese Physics Letters, 34(4): 68-70. doi: 10.1088/0256-307X/34/4/046401
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Pressure Effects on the Charge Carrier Transportation of BaF2 Nanocrystals

  • Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Siping 136000

  • State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012

  • Available Online: 30/12/2017
  • Fund Project: the National Natural Science Foundation of China under Grant Nos 11374131,11674404,11404137 and 61378085,the Program for New Century Excellent Talents in University under Grant No NCET-13-0824,the Program for the Development of Science and Technology of Jilin Province under Grant Nos 201201079 and 20150204085GX,and the Twentieth Five-Year Program for Science and Technology of Education Department of Jilin Province under Grant No 20150221
  • The charge transport behavior of barium fluoride nanocrystals is investigated by in situ impedance measurement up to 35 GPa.It is found that the parameters change discontinuously at about 6.9 GPa,corresponding to the phase transition of BaF2 nanocrystals under high pressure.The charge carriers in BaF2 nanocrystals include both F-ions and electrons.Pressure makes the electronic transport more difficult.The defects at grains dominate the electronic transport process.Pressure could make the charge-discharge processes in the Fm3m phase more difficult.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Pressure Effects on the Charge Carrier Transportation of BaF2 Nanocrystals

  • Available Online: 30/12/2017

Abstract: The charge transport behavior of barium fluoride nanocrystals is investigated by in situ impedance measurement up to 35 GPa.It is found that the parameters change discontinuously at about 6.9 GPa,corresponding to the phase transition of BaF2 nanocrystals under high pressure.The charge carriers in BaF2 nanocrystals include both F-ions and electrons.Pressure makes the electronic transport more difficult.The defects at grains dominate the electronic transport process.Pressure could make the charge-discharge processes in the Fm3m phase more difficult.

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