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近代物理研究所 [4]
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期刊论文 [7]
会议论文 [5]
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Degradation mechanisms of optoelectric properties of GaN via highly-charged Bi-209(33+) ions irradiation
期刊论文
OAI收割
APPLIED SURFACE SCIENCE, 2018, 卷号: 440, 页码: 814-820
作者:
Xian, Y. Q.
;
Zhang, L. Q.
;
Li, J. Y.
;
Su, C. H.
;
Chen, Y. G.
  |  
收藏
  |  
浏览/下载:44/0
  |  
提交时间:2018/05/22
GaN
Highly-charged bismuth-ion irradiation
Raman spectrum
Varying temperature photoluminescence (PL) spectrum
Optoelectric properties
Influence of highly-charged Bi-209(33+) irradiation on structure and optoelectric characteristics of GaN epilayer
期刊论文
OAI收割
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 2017, 卷号: 406, 页码: 571-577
作者:
Li, Jj.
;
Zhang, C. H.
;
Zhang, L. Q.
;
Song, Y.
;
Yan, T. X.
  |  
收藏
  |  
浏览/下载:11/0
  |  
提交时间:2018/05/08
GaN
Highly-charged bismuth ion irradiation
AFM
XPS
Raman scattering spectrum
PL
Influence of highly-charged Bi-209(33+) irradiation on structure and optoelectric characteristics of GaN epilayer
会议论文
OAI收割
作者:
Song, Y.
;
Zhang, L. Q.
;
Zhang, C. H.
;
Xu, C. L.
;
Li, Jj.
  |  
收藏
  |  
浏览/下载:22/0
  |  
提交时间:2018/08/20
GaN
Highly-charged bismuth ion irradiation
AFM
XPS
Raman scattering spectrum
PL
Influence of highly-charged Bi-209(33+) irradiation on structure and optoelectric characteristics of GaN epilayer
会议论文
OAI收割
作者:
Yang, Y. T.
;
Li, J. Y.
;
Liu, H. P.
;
Ding, Z. N.
;
Yan, T. X.
  |  
收藏
  |  
浏览/下载:20/0
  |  
提交时间:2018/08/20
GaN
Highly-charged bismuth ion irradiation
AFM
XPS
Raman scattering spectrum
PL
Optical investigation of InAs/InP(100) quantum dots grown by gas source molecular beam epitaxy
期刊论文
OAI收割
INFRARED PHYSICS & TECHNOLOGY, 2012, 卷号: 55, 期号: 41308, 页码: 205-209
Li, SG
;
Gong, Q
;
Cao, CF
;
Wang, XZ
;
Yue, L
;
Liu, QB
;
Wang, HL
;
Wang, Y
收藏
  |  
浏览/下载:86/0
  |  
提交时间:2013/04/17
PL spectrum
InAs/InP quantum dot
GSMBE
Growth temperature
Structural and photoluminescence properties of aligned Sb-doped ZnO nanocolumns synthesized by the hydrothermal method (EI CONFERENCE)
会议论文
OAI收割
作者:
Wang X.
;
Wang X.
;
Wang X.
;
Li B.
;
Li B.
收藏
  |  
浏览/下载:22/0
  |  
提交时间:2013/03/25
Aligned Sb-doped ZnO nanocolumns were synthesized by a simple hydrothermal method. Based on the analyses of the X-ray diffraction and photoluminescence result
it could be confirmed that the Sb has successfully doped in the ZnO crystal lattices to form an accepter energy level. At 85 K
the recombination of the acceptor-bound exciton was predominant in PL spectrum
which was attributed to the transition of the (SbZn-2VZn) complex bound exciton. The acceptor binding energy had been calculated to be 123 meV. 2009 Published by Elsevier B.V. All rights reserved.
Synthesis and characteristics of zno-cnts nanocomposites
期刊论文
iSwitch采集
Acta physico-chimica sinica, 2006, 卷号: 22, 期号: 10, 页码: 1175-1180
作者:
Zhu Lu-Ping
;
Huang Wen-Yu
;
Ma Li-Li
;
Fu Shao-Yun
;
Yu Ying
收藏
  |  
浏览/下载:17/0
  |  
提交时间:2019/05/10
Sol method
Zno-cnts
Nanocomposite
Ir absorbence
Pl spectrum
Effect of interface on luminescence properties in ZnO/MgZnO heterostructures (EI CONFERENCE)
会议论文
OAI收割
Wei Z. P.
;
Lu Y. M.
;
Shen D. Z.
;
Wu C. X.
;
Zhang Z. Z.
;
Zhao D. X.
;
Zhang J. Y.
;
Fan X. W.
收藏
  |  
浏览/下载:27/0
  |  
提交时间:2013/03/25
A set of ZnO/MgZnO heterostructures with well widths
Lw
varying from 2 to 20 nm has been grown by plasma-assisted molecular-beam epitaxy (P-MBE). We present a room-temperature (RT) study of the well-width-dependent photoluminescence (PL) spectra and carrier lifetimes in ZnO/MgZnO heterostructures. Bi-exponential process is seen at RT time-decay curves of the luminescence from the well layers. The fast process is from the recombination of the free exciton
while the slow process is attributing to the recombination of the localized exciton in the interface of ZnO and MgZnO. It is also confirmed from the PL peak shift of time-resolved PL spectra. With decreasing the well thickness
the fast process gradually increases and dominantly contributes to the PL spectrum due to the interface improvement. 2006 Elsevier B.V. All rights reserved.
Excitonic properties of vertically aligned ZnO nanotubes under high-density excitation (EI CONFERENCE)
会议论文
OAI收割
Lu Y. M.
;
Liang H. W.
;
Shen D. Z.
;
Zhang Z. Z.
;
Zhang J. Y.
;
Zhao D. X.
;
Liu Y. C.
;
Fan X. W.
收藏
  |  
浏览/下载:13/0
  |  
提交时间:2013/03/25
In this paper
highly oriented and vertically arranged ZnO nanotubes are prepared on Al2O3 (0 0 0 1) substrate without employing any metal catalysts by plasma-assisted molecular beam epitaxy. The photoluminescence (PL) spectra at room temperature are studied under high excitation densities. Under lower excitation density (60 kW/cm2)
PL spectrum shows that one strong free exciton emission (FE) locates at 3.306 eV. As the excitation density increases up to 200 kW/cm2
a new emission peak (Pn) located at low-energy side of FE is attributed to the spontaneous emission due to an exciton-exciton (Ex-E x) scattering process from two ground state excitons
where one exciton is recombined by emitting a photon and the other is scattered into the excited states of n=2
3
4.... Under excitation density of 300 kW/cm 2
the stimulated emission originating from Ex-E x scattering is obtained. When the excitation density is above 580 kW/cm2
the emission from electron-hole plasma is observed in low-energy side of the P band and indicates a typical superradiation recombination processes with increasing excitation density. 2006 Elsevier B.V. All rights reserved.
Optical properties of gan grown on si(111) substrates by mocvd
期刊论文
iSwitch采集
International journal of modern physics b, 2005, 卷号: 19, 期号: 15-17, 页码: 2610-2615
作者:
Zhang, BS
;
Wang, JF
;
Wang, Y
;
Zhu, JJ
;
Yang, H
收藏
  |  
浏览/下载:21/0
  |  
提交时间:2019/05/12
Gan
Mocvd
Optical properties
Pl spectrum