Electroluminescence from single nitride-based quantum dots is reported. Clear single quantum dot emission is observed, which persists up to . This is achieved through the study of a quantum dot layer in the intrinsic region of a forward-biased vertical diode. The current-voltage characteristic of the devices is examined at 4.3 K and observed to exhibit electrical bistability phenomena, which is explained in terms of charge accumulation in the InGaN layer. The dependence of the emission properties on current injection conditions are presented and related to the electrical properties of the device.
REFERENCES
1.
M.
Asada
, Y.
Miyamoto
, and Y.
Suematsu
, IEEE J. Quantum Electron.
22
, 1915
(1986
).2.
Y.
Arakawa
and H.
Sakaki
, Appl. Phys. Lett.
40
, 939
(1982
).3.
A. F.
Jarjour
, R. A.
Taylor
, R. A.
Oliver
, M. J.
Kappers
, C. J.
Humphreys
, and A.
Tahraoui
, Appl. Phys. Lett.
91
, 052101
(2007
).4.
Z.
Yuan
, B.
Kardynal
, R. M.
Stevenson
, A.
Shields
, C.
Lobo
, K.
Cooper
, N.
Beattie
, D.
Ritchie
, and M.
Pepper
, Science
295
, 102
(2002
).5.
T.
Miyazawa
, J.
Tatebayashi
, S.
Hirose
, T.
Nakaoka
, S.
Ishida
, S.
Iwamoto
, K.
Takemoto
, T.
Usuki
, N.
Yokoyama
, M.
Takatsu
, and Y.
Arakawa
, Jpn. J. Appl. Phys., Part 1
45
, 3621
(2006
).6.
X.
Xu
, D. A.
Williams
, and J. R. A.
Cleaver
, Appl. Phys. Lett.
85
, 3238
(2004
).7.
I. -K.
Park
, M. -K.
Kwon
, C. -Y.
Cho
, J. -Y.
Kim
, C. -H.
Cho
, and S. -J.
Park
, Appl. Phys. Lett.
92
, 253105
(2008
).8.
R. A.
Oliver
, G. A. D.
Briggs
, M. J.
Kappers
, C. J.
Humphreys
, J. H.
Rice
, J. D.
Smith
, and R. A.
Taylor
, Appl. Phys. Lett.
83
, 755
(2003
).9.
A. F.
Jarjour
, R. A.
Oliver
, A.
Tahraoui
, M. J.
Kappers
, C. J.
Humphreys
, and R. A.
Taylor
, Phys. Rev. Lett.
99
, 197403
(2007
).10.
A. P.
Zhang
, G. T.
Dang
, F.
Ren
, H.
Cho
, K. -P.
Lee
, S. J.
Pearton
, J. -I.
Chyi
, T. -E.
Nee
, C. -M.
Lee
, and C. -C.
Chuo
, IEEE Trans. Electron Devices
48
, 407
(2001
).11.
V.
Khemka
, R.
Patel
, T. P.
Chow
, and R. J.
Gutmann
, Solid-State Electron.
43
, 1945
(1999
).12.
C.
Rivera
, J. L.
Pau
, J.
Pereiro
, and E.
Munoz
, Superlattices Microstruct.
36
, 849
(2004
).13.
G.
Kießlich
, A.
Wacker
, E.
Schöll
, S. A.
Vitusevich
, A. E.
Belyaev
, S. V.
Danylyuk
, A.
Förster
, N.
Klein
, and M.
Henini
, Phys. Rev. B
68
, 125331
(2003
).14.
J. W.
Robinson
, J. H.
Rice
, A.
Jarjour
, J. D.
Smith
, R. A.
Taylor
, R. A.
Oliver
, G. A. D.
Briggs
, M. J.
Kappers
, C. J.
Humphreys
, and Y.
Arakawa
, Appl. Phys. Lett.
83
, 2674
(2003
).15.
A. F.
Jarjour
, A. M.
Green
, T. J.
Parker
, R. A.
Taylor
, R. A.
Oliver
, G. A. D.
Briggs
, M. J.
Kappers
, C. J.
Humphreys
, R. W.
Martin
, and I. M.
Watson
, Physica E
32
, 119
(2006
).16.
A.
Hori
, D.
Yasunaga
, A.
Satake
, and K.
Fujiwara
, Phys. Status Solidi A
192
, 44
(2002
).17.
Y. T.
Rebane
, Y. G.
Shreter
, B. S.
Yavich
, V. E.
Bougrov
, S. I.
Stepanov
, and W. N.
Wang
, Phys. Status Solidi A
180
, 121
(2000
).© 2008 American Institute of Physics.
2008
American Institute of Physics
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