For Hall measurement under different magnetic fields at LN2 temperature,Hg1-xCdxTe （MCT） film （radius 1 cm） grown on CdTe substrate by LPE is photoengraved into many small Van Der Pauw squares,then their Hall coef...For Hall measurement under different magnetic fields at LN2 temperature,Hg1-xCdxTe （MCT） film （radius 1 cm） grown on CdTe substrate by LPE is photoengraved into many small Van Der Pauw squares,then their Hall coefficients and mobilities are measured and analyzed,respectively.Two films were Hall-tested during the temperature range from LHe 4.2 K to about 200 K.An actual impression on the uniformity of electrical parameters for MCT film can obtained by means of the methods presented in this paper.展开更多
Niobium-doped ZnO transparent conductive films are deposited on glass substrates by radio frequency sputtering at 300℃.The influence of O2/Ar ratio on the structural,electrical and optical properties of the as-deposi...Niobium-doped ZnO transparent conductive films are deposited on glass substrates by radio frequency sputtering at 300℃.The influence of O2/Ar ratio on the structural,electrical and optical properties of the as-deposited films is investigated by X-ray diffraction,Hall measurement and optical transmission spectroscopy.The lowest resistivity of 4.0×10-4Ω·cm is obtained from the film deposited at the O2/Ar ratio of 1/12.The average optical transmittance of the films is over 90%.展开更多
文摘For Hall measurement under different magnetic fields at LN2 temperature,Hg1-xCdxTe （MCT） film （radius 1 cm） grown on CdTe substrate by LPE is photoengraved into many small Van Der Pauw squares,then their Hall coefficients and mobilities are measured and analyzed,respectively.Two films were Hall-tested during the temperature range from LHe 4.2 K to about 200 K.An actual impression on the uniformity of electrical parameters for MCT film can obtained by means of the methods presented in this paper.
基金Supported by the High-Tech Research and Development Program of China(Grant Nos.2007AA06Z112,2007AA03Z446)Research Fund for the Doctoral Program of Higher Education of China(Grant No.20060183030)+1 种基金Science and Technology Office of Jilin Province(Grant No.20070709)Bureau of Science and Technology of Changchun City(Grant No.2007107)
文摘Niobium-doped ZnO transparent conductive films are deposited on glass substrates by radio frequency sputtering at 300℃.The influence of O2/Ar ratio on the structural,electrical and optical properties of the as-deposited films is investigated by X-ray diffraction,Hall measurement and optical transmission spectroscopy.The lowest resistivity of 4.0×10-4Ω·cm is obtained from the film deposited at the O2/Ar ratio of 1/12.The average optical transmittance of the films is over 90%.
