欢迎登录材料期刊网

材料期刊网

高级检索

采用光学浮区法生长了尺寸φ8mm×40 mm的Ge∶β-Ga2O3单晶.XRD物相分析表明Ge∶β-Ga2O3单晶仍属于单斜晶系.为对其内部缺陷进行表征,进行了腐蚀实验,在光学显微镜下观察到缺陷密度为6×104/cm2.光学测试表明,与纯单晶相比,Ge∶β-Ga2O3单晶在红外波段存在明显吸收,只有位于蓝光区域的两个荧光峰,抑制了紫外与绿光波段的发光.电学性能测试得出,Ge∶β-Ga2O3单晶的电导率在10-3量级,说明掺杂Ge4+对β-Ga2O3单晶的电学性能的确有改善.

参考文献

[1] Tadatsugu Minami.New n-Type Transparent Conducting Oxides[J].MRS bulletin,20008(8):38-44.
[2] Naoyuki Ueda;Hideo Hosono;Ryuta Waseda.Anisotropy of electrical and optical properties in β-Ga↓(2)O↓(3) single crystals[J].Applied physics letters,19975/8(5/8):933-935.
[3] Tomm Y.;Klimm D.;Fukuda T.;Reiche P..Czochralski grown Ga2O3 crystals[J].Journal of Crystal Growth,20004(4):510-514.
[4] Aida H;Nishiguchi K;Takeda H;Aota N;Sunakawa K;Yaguchi Y.Growth of beta-Ga2O3 Single Crystals by the Edge-Defined, Film Fed Growth Method[J].Japanese journal of applied physics,200811(11):8506-8509.
[5] Villora EG;Shimamura K;Yoshikawa Y;Aoki K;Ichinose N.Large-size beta-Ga2O3 single crystals and wafers[J].Journal of Crystal Growth,20043/4(3/4):420-426.
[6] Binet L.;Gourier D..Origin of the blue luminescence of beta-Ga2O3[J].The journal of physics and chemistry of solids,19988(8):1241-1249.
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%