MINORITY-CARRIER LIFETIME IMPROVEMENT BY GETTERING IN SI1-XGEX

被引:2
|
作者
LOSADA, BR
MOEHLECKE, A
LAGOS, R
LUQUE, A
机构
[1] Instituto de Energía Solar, Universidad Politécnica de Madrid
关键词
D O I
10.1063/1.114368
中图分类号
O59 [应用物理学];
学科分类号
摘要
Monocrystalline Si1-xGex alloys may be an interesting material for infrared solar applications and dual band gap systems such as GaAs/Si1-xGex. At present, monocrystalline ingots of Si1-xGex have been grown by the float zone (FZ) technique, but the minority carrier lifetime in the wafers is quite low. Gettering treatment by POCl8 over Si1-xGex samples brings about a substantial improvement of minority carrier lifetime, achieving values similar to FZ-silicon wafers, that is over 200 mu s in high resistivity samples if the Ge constant is below 5%. (C) 1995 American Institute of Physics.
引用
收藏
页码:1894 / 1895
页数:2
相关论文
共 50 条
  • [21] APPARATUS FOR MEASUREMENT OF MINORITY-CARRIER LIFETIME
    PANOV, AY
    SAMOKHVALOV, MK
    INSTRUMENTS AND EXPERIMENTAL TECHNIQUES, 1986, 29 (06) : 1442 - 1444
  • [22] MINORITY-CARRIER LIFETIME IN INAS EPILAYERS
    WIEDER, HH
    COLLINS, DA
    APPLIED PHYSICS LETTERS, 1974, 25 (12) : 742 - 743
  • [23] IMPROVEMENT OF MINORITY-CARRIER LIFETIME IN GaAsN GROWN BY CHEMICAL BEAM EPITAXY
    Honda, T.
    Inagaki, M.
    Suzuki, H.
    Kojima, N.
    Ohshita, Y.
    Yamaguchi, M.
    35TH IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE, 2010, : 2053 - 2056
  • [24] MINORITY-CARRIER LIFETIME DEGRADATION IN SI CONCENTRATOR SOLAR-CELLS
    JOARDAR, K
    SCHRODER, DK
    BACKUS, CE
    CONFERENCE RECORD OF THE TWENTIETH IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE - 1988, VOLS 1-2, 1988, : 723 - 728
  • [25] Carrier recombination in tailored multilayer Si/Si1-xGex nanostructures
    Mala, S. A.
    Tsybeskov, L.
    Lockwood, D. J.
    Wu, X.
    Baribeau, J. -M.
    PHYSICA B-CONDENSED MATTER, 2014, 453 : 29 - 33
  • [26] Intrinsic carrier concentration in strained Si1-xGex/(101)Si
    Song, Jian-Jun
    Zhang, He-Ming
    Hu, Hui-Yong
    Dai, Xian-Ying
    Xuan, Rong-Xi
    OPTOELECTRONIC MATERIALS, PTS 1AND 2, 2010, 663-665 : 470 - 472
  • [27] Lifetime measurements of porous Si1-xGex stain etched
    Guerrero-Lemus, R
    Ben-Hander, FA
    Kenanoglu, A
    Borchert, D
    Sangrador, J
    Rodríguez, T
    Martínez-Duart, JM
    THIN SOLID FILMS, 2004, 451 : 316 - 319
  • [28] Gettering improvements of minority-carrier lifetimes in solar grade silicon
    Osinniy, V.
    Larsen, A. Nylandsted
    Dahl, E. Hvidsten
    Enebakk, E.
    Soiland, A. -K.
    Tronstad, R.
    Safir, Y.
    SOLAR ENERGY MATERIALS AND SOLAR CELLS, 2012, 101 : 123 - 130
  • [29] A NEW MINORITY-CARRIER SURFACE LIFETIME TECHNIQUE
    KOHN, CM
    GOLDFARB, WC
    SOLID STATE TECHNOLOGY, 1995, 38 (06) : 93 - &
  • [30] IMPROVEMENT OF MINORITY-CARRIER LIFETIME IN MOS DEVICES BY FLUORINE ION-IMPLANTATION
    COCKRUM, RH
    PRUSSIN, S
    LI, SP
    JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1978, 125 (11) : C470 - C470