報(bào)告模版 1霍爾效應(yīng)及其應(yīng)用

測(cè)量試樣的VH-IS和VH-IM，確定樣品的霍爾系數(shù),,,,,,,,

保持勵(lì)磁電流IM=0.5A不變，,,,,,,,,

IS/mA,V1/mV,V2/mV,V3/mV,V4/mV,VH/mV,,,

,+B，+IS,-B，+IS,-B，-IS,+B，-IS,,,,

1.00,-2.58,2.63,-2.66,2.59,2.615,,,

1.50,-3.85,3.89,-3.92,3.82,3.87,,,

2.00,-5.21,5.28,-5.30,5.19,5.245,,RH=UHd/ISB=UHd/ISKIM,

2.50,-6.51,6.59,-6.62,6.36,6.52,,由圖得UH/IS=2.544,

3.00,-7.74,7.97,-8.00,7.83,7.885,,帶入得RH=2.544*0.0005/(4.02*0.5)=,

3.50,-9.00,9.15,-9.17,8.94,9.065,,0.000632836,C/m3

4.00,-10.22,10.08,-10.10,10.18,10.145,,12.65671642,

,,,,,,,,,

,,,,,,,,,

保持霍爾片工作電流IS=3mA不變，,,,,,,,,

IM/mA,V1/mV,V2/mV,V3/mV,V4/mV,VH/mV,,,

,+B，+IS,-B，+IS,-B，-IS,+B，-IS,,,,

300.00,-4.60,4.71,-4.71,4.60,4.655,,RH=UHd/ISB=UHd/ISKIM,

400.00,-6.14,6.25,-6.29,6.11,6.1975,,由圖得UH/IM=0.015,

500.00,-7.70,7.82,-7.85,7.57,7.735,,帶入得RH=0.015*0.0005/(4.02*0.003)=,

600.00,-9.26,9.39,-9.41,9.25,9.3275,,0.000621891,C/m3

700.00,-10.82,10.97,-10.98,10.82,10.8975,,12.43781095,

800.00,-12.41,12.54,-12.56,12.40,12.4775,,,

勵(lì)磁線圈參數(shù)K=4.02KGS·A-1,,,霍爾片厚度d=0.5mm=0.00005m,,,,,

,,,,,,,,,

測(cè)量螺線管軸線上磁場(chǎng)分布,,,,,,,,

霍爾片工作電流IS=6mA，勵(lì)磁電流IM=0.600A,,,,,,,,

霍爾元件靈敏度KH=2.14mV/mA·KGS,,,,,,,,

X1/cm,X2/cm,X/cm,V1/mV,V2/mV,V3/mV,V4/mV,VH/mV,B/KGS

,,,+B，+IS,-B，+IS,-B，-IS,+B，-IS,,

0.0,0.0,14,0.40,-0.59,0.56,-0.41,0.49,0.038161994

0.5,0.0,13.5,0.65,-0.83,0.82,-0.67,0.7425,0.057827103

1.0,0.0,13,0.70,-0.86,0.84,-0.71,0.7775,0.06055296

1.5,0.0,12.5,0.92,-1.04,1.03,-0.93,0.98,0.076323988

2.0,0.0,12,0.97,-1.09,1.07,-0.98,1.0275,0.080023364

5.0,0.0,9,1.02,-1.13,1.12,-1.03,1.075,0.083722741

8.0,0.0,6,1.02,-1.13,1.12,-1.04,1.0775,0.083917445

11.0,0.0,3,1.03,-1.13,1.11,-1.04,1.0775,0.083917445

14.0,0.0,0,1.02,-1.11,1.10,-1.03,1.065,0.082943925

14.0,3.0,-3,1.03,-1.12,1.11,-1.04,1.075,0.083722741

14.0,6.0,-6,1.02,-1.12,1.11,-1.04,1.0725,0.083528037

14.0,9.0,-9,1.02,-1.12,1.12,-1.03,1.0725,0.083528037

14.0,12.0,-12,0.96,-1.09,1.09,-0.97,1.0275,0.080023364

14.0,12.5,-12.5,0.92,-1.06,1.05,-0.93,0.99,0.077102804

14.0,13.0,-13,0.85,-0.99,0.98,-0.87,0.9225,0.071845794

14.0,13.5