A set of bulk ZnO samples implanted with O and Zn at various densities were investigated by photoluminescence. The implantation concentration of O and Zn is varied between and . The samples were thermally treated in an oxygen gas environment after the implantation. The results clearly show the influence of O and Zn implantations on the deep-level emission. By comparing the photoluminescence spectra for the samples with different implantations, we can conclude that the is responsible to the observed deep-level emission. In addition, a novel transition at the emission energy of at appears in the O-implanted sample with implantation concentration. The novel emission is tentatively identified as O-antisite .
REFERENCES
1.
Y.
Chen
, D. M.
Bagnall
, Z.
Zhu
, T.
Sekiuchi
, K.
Park
, K.
Hiraga
, T.
Tao
, S.
Koyama
, M. Y.
Shen
, and T.
Goto
, J. Cryst. Growth
181
, 165
(1997
).2.
T. V.
Butkhuzi
, A. V.
Bureyev
, A. N.
Georgobiani
, N. P.
Kekelidze
, and T. G.
Khulordava
, J. Cryst. Growth
117
, 366
(1992
).3.
K.
Vanheusden
, C. H.
Seager
, W. L.
Warren
, D. R.
Tallant
, and J. A.
Voigt
, Appl. Phys. Lett.
68
, 403
(1996
).4.
P. H.
Kasai
, Phys. Rev.
130
, 989
(1963
).5.
6.
F. A.
Kröger
and H. J.
Vink
, J. Chem. Phys.
22
, 250
(1954
).7.
K.
Vanheusden
, W. L.
Warren
, C. H.
Seager
, D. R.
Tallant
, J. A.
Voigt
, and B. E.
Gnade
, J. Appl. Phys.
79
, 7983
(1996
).8.
H. S.
Kang
, J. S.
Kang
, S. S.
Pang
, E. S.
Shim
, and S. Y.
Lee
, Mater. Sci. Eng., B
102
, 313
(2003
).9.
S.
Yamauchi
, Y.
Goto
, and T.
Hariu
, J. Cryst. Growth
260
, 1
(2004
).10.
M.
Liu
, A. H.
Kitai
, and P.
Mascher
, J. Lumin.
54
, 35
(1992
).11.
12.
E. G.
Bylander
, J. Appl. Phys.
49
, 1188
(1978
).13.
X.
Yang
, G.
Du
, X.
Wang
, J.
Wang
, B.
Liu
, Y.
Zhang
, D.
Liu
, D.
Liu
, H. C.
Ong
, and S.
Yang
, J. Cryst. Growth
252
, 275
(2003
).14.
K.
Johnston
, M. O.
Henry
, D. M.
Cabe
, T.
Agne
, and T.
Wichert
, Proceedings of the Second Workshop on “SOXESS European Network on ZnO,”
27–30 October 2004
, Caernarfon
, Wales
, UK.15.
J.
Zhong
, A. H.
Kitai
, P.
Mascher
, and W.
Puff
, J. Electrochem. Soc.
140
, 3644
(1993
).16.
R.
Dingle
, Phys. Rev. Lett.
23
, 579
(1969
).17.
T.
Yamamoto
and H.
Katayama-Yoshida
, Jpn. J. Appl. Phys., Part 2
38
, L66
(1999
).18.
S. B.
Zhang
, S. H.
Wei
, and A.
Zunger
, Phys. Rev. B
63
, 075205
(2001
).19.
W.
Kohn
and L.
Sham
, Phys. Rev.
140
, A1133
(1965
).20.
J. M. M.
Soler
, E.
Artacho
, J. D.
Gale
, A.
García
, J.
Junquera
, P.
Ordejón
, and D.
Sánchez-Portal
, J. Phys.: Condens. Matter
14
, 2745
(2002
).21.
J. P.
Perdew
and A.
Zunger
, Phys. Rev. B
23
, 5048
(1981
).© 2005 American Institute of Physics.
2005
American Institute of Physics
You do not currently have access to this content.
