欢迎登录材料期刊网

材料期刊网

高级检索

通过对p型CdZnTe(111)面的结构分析,用真空蒸发法在p型CdZnTe晶体(111)面制备出Au/Zn复合电极,运用金相显微镜、AFM测试、SEM剖面观察、EDS成分分析、Ⅰ-Ⅴ特性测试及势垒高度计算等多种手段研究了Au/Zn复合电极对金属和半导体接触性能的影响.结果表明,在P型CdZnTe(111)A面蒸镀Au电极,在B面蒸镀Au/Zn复合电极时获得的势垒高度最低,有效减小了富Te面对金半接触的影响.Au/Zn复合电极能获得比Au电极更理想的接触性能.

参考文献

[1] Schlesinger TE.;Yoon H.;Lee EY.;Brunett BA.;Franks L. James RB.;Toney JE. .Cadmium zinc telluride and its use as a nuclear radiation detector material [Review][J].Materials Science & Engineering, R. Reports: A Review Journal,2001(4/5):103-189.
[2] Bolotnikov A.E.;Camarda G.C.;Carini G.A.;Fiederle M.;Li L.;McGregor D.S.;McNeil W.;Wright G.W.;James R.B. .Performance characteristics of Frisch-ring CdZnTe detectors[J].IEEE Transactions on Nuclear Science,2006(2):607-614.
[3] Chen H;Awadalla SA;Iniewski K;Lu PH;Harris F;Mackenzie J;Hasanen T;Chen W;Redden R;Bindley G .Characterization of large cadmium zinc telluride crystals grown by traveling heater method[J].Journal of Applied Physics,2008(1):14903-1-14903-5-0.
[4] Jie Sun;Li Fu;Zhongming Nie;Yi Shi;Yapeng Li .The effect of chemical polishing on the interface structure and electrical property of Au/Cd_(0.9)Zn_(0.1)Te contact[J].Applied physics, A. Materials science & processing,2014(4):1309-1316.
[5] Wang XQ;Jie WJ;Li HY;Li Q;Wang ZW .Effects of low-temperature annealing on Ohmic contact of Au/p-CdZnTe[J].Nuclear Instruments and Methods in Physics Research, Section A. Accelerators, Spectrometers, Detectors and Associated Equipment,2006(2):409-412.
[6] Qin, K.;Wang, L.;Zhang, J.;Min, J.;Huang, J.;Liang, X.;Tang, K.;Xia, Y. .A two-step deposition process for electrode fabrication of CdZnTe detectors[J].Vacuum: Technology Applications & Ion Physics: The International Journal & Abstracting Service for Vacuum Science & Technology,2012(7):827-829.
[7] Abbene L;Del Sordo S;Fauci F;Gerardi G;La Manna A;Raso G;Cola A;Perillo E;Raulo A;Gostilo V .Spectroscopic response of a CdZnTe multiple electrode detector[J].Nuclear Instruments and Methods in Physics Research, Section A. Accelerators, Spectrometers, Detectors and Associated Equipment,2007(2/3):324-331.
[8] Gangqiang Zha;Wanqi Jie;Xuxu Bai;Tao Wang;Li Fu;Wenhua Zhang;Junfa Zhu;Faqiang Xu .The study on the work function of CdZnTe with different surface states by synchrotron radiation photoemission spectroscopy[J].Journal of Applied Physics,2009(5):053714-1-053714-5.
[9] Bell, S.J.;Baker, M.A.;Chen, H.;Marthandam, P.;Perumal, V.;Schneider, A.;Seller, P.;Sellin, P.J.;Veale, M.C.;Wilson, M.D. .A multi-technique characterization of electroless gold contacts on single crystal CdZnTe radiation detectors[J].Journal of Physics, D. Applied Physics: A Europhysics Journal,2013(45):455502-1-455502-10.
[10] Zha GQ;Jie WQ;Tan TT;Li PS;Zhang WH;Xu FQ .The atomic and electronic structure of CdZnTe (111) A surface[J].Chemical Physics Letters,2006(1-3):197-200.
[11] W.J. EVERSON;C.K. ARD;J.L. SEPICH;B.E. DEAN;G.T. NEUGEBAUER;H.F. SCHAAKE .Etch Pit Characterization of CdTe and CdZnTe Substrates for Use in Mercury Cadmium Telluride Epitaxy[J].Journal of Electronic Materials,1995(5):505-510.
[12] A. Hossain;A.E. Bolotnikov;G.S. Camarda;Y. Cui;G. Yang;R.B. James .Defects in cadmium zinc telluride crystals revealed by etch-pit distributions[J].Journal of Crystal Growth,2008(21):4493-4498.
[13] Li Q;Jie WQ;Fu L;Zha GQ .Investigation on interface barrier of Au-CdZnTe contacts[J].Nuclear Instruments and Methods in Physics Research, Section A. Accelerators, Spectrometers, Detectors and Associated Equipment,2006(1):544-548.
[14] Al-Shibani KM. .Effect of isothermal annealing on CdTe and the study of electrical properties of Au-CdTe Schottky barriers[J].Physica, B. Condensed Matter,2002(3/4):390-396.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%