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磁电阻温度关系的二端法测量和数据处理

Two-probe Measurement and Data Processing of the Relation Between Magnetoresistance and Temperature

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【作者】 刘力虎潘成福马丽梅聂向富唐贵德刘升郝普

【Author】 LIU Li-hu, LIU Sheng, HAO Pu, PAN Cheng-fu, MA Li-mei, NIE Xiang-fu, TANG Gui-de(College of Physics, Hebei Normal University, Hebei Shijiazhuang 050016,China;Teaching Department,Hebei Radio and TV University,Hebei Shijiazhuang 050071,China;Physics Department,Hebei Teacher Institute,Hebei Shijiazhuang 050801 ,China)

【机构】 河北师范大学物理学院河北广播电视大学教学处石家庄高等师范专科学校物理系 河北 石家庄 050016河北 石家庄 050016河北 石家庄 050071河北 石家庄 050801

【摘要】 介绍了一种磁电阻测量方法,采用直流稳压电源、电脑X—Y记录仪、电磁铁和温度装置,通过测量电路中串入标准电阻R1两端的电压,计算出被测样品在不同温度下的电阻,进而计算出磁电阻.方法简单,测量数据精确.

【Abstract】 A method of measuring magnetoresistance was introduced. Direct current power sapply, computerized X - Y recorder, electron magnet and temperature device were applied in our experiment. Measured the voltage of the standard resistance in series the circuit, it can be calculated the resistance of the sample under different temperature and the different magnetic field, then magnetoresistance can be computed. This measuring method is simple and accurate.

【关键词】 磁电阻四探针二端法
【Key words】 magnetoresistancea four-point probetwo-point method
【基金】 国家自然科学基金资助项目(10074013)
  • 【文献出处】 河北师范大学学报 , 编辑部邮箱 ,2003年01期
  • 【分类号】O482.54
  • 【下载频次】78
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