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清华大学 [8]
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期刊论文 [13]
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Physics [1]
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Synthesis and luminescence properties of Eu3+-doped silicate nanomaterial (EI CONFERENCE)
会议论文
17th International Conference on Dynamical Processes in Excited States of Solids, DPC'10, June 20, 2010 - June 25, 2010, Argonne, IL, United states
Lu S.
;
Zhang J.
;
Zhang J.
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浏览/下载:24/0
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提交时间:2013/03/25
In this paper
we introduce a sol-gel process for preparing Y 2Si2O7: Eu3+ nanocrystals. The rare earth compounds were dispersed in the SiO2 colloids and the monodisperse nano-scale composite materials were prepared. The reactant mass fraction and heat treatment temperatures could affect the structures and emission spectrum properties of as-synthesized samples. The samples emit the strong red light upon excitation under the ultraviolet. The main peaks originate from 5D0-7F2 electric dipole transition of Eu3+. With regard to the samples treated at different temperatures
the emission spectra obtained under 266 nm excitation show different shapes of spectra lines and relative intensities
indicating that the Eu3+ ions have been located in different local environments. 2011 Published by Elsevier B.V.
Carbon-coated macroporous Sn/sub 2/P/sub 2/O/sub 7/ as anode materials for Li-ion battery
期刊论文
2010, 2010
Yueming Li
;
Jinghong Li
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浏览/下载:4/0
Thermal expansion coefficients of Sm/sub 2/Zr/sub 2/O/sub 7/ doped with MgO
期刊论文
2010, 2010
Zhixue Qu
;
Wei Pan
;
Chunlei Wan
;
Yexia Qin
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浏览/下载:1/0
Thermal expansion and defect chemistry of MgO-doped Sm/sub 2/Zr/sub 2/O/sub 7/
期刊论文
2010, 2010
Zhixue Qu
;
Wan, C.
;
Wei Pan
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浏览/下载:4/0
The effect of different doping methods of sintering aids on the barium titanate based X7R ceramics
期刊论文
2010, 2010
Ma, C.
;
Wang, X.H.
;
Chen, R.Z.
;
Li, L.T.
;
Gui, Z.L.
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浏览/下载:3/0
CeO/sub 2/ buffer with (200) preferential orientation on R-cut sapphire by a solution deposition technique
期刊论文
2010, 2010
Xue Yaohui
;
Deng Changsheng
;
Li Qingfeng
;
Ai Desheng
;
Dai Xiaming
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浏览/下载:3/0
Thermal expansion and defect chemistry of MgO-Doped Sm2Zr2O7
期刊论文
2010, 2010
Qu, Zhixue
;
Wan, Chunlei
;
Pan, Wei
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浏览/下载:2/0
Chemical solution growth of CeO/sub 2/ buffer and YBCO layers on IBAD-YSZ/Hastelloy templates
期刊论文
2010, 2010
Wang, S.S.
;
Han, Z.
;
Schmidt, W.
;
Neumuller, H.W.
;
Du, P.
;
Wang, L.
;
Chen, S.
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浏览/下载:8/0
A high performance HTS filter subsystem for CDMA
期刊论文
2010, 2010
Guo, X.B.
;
Cao, B.S.
;
Wei, B.
;
Zhang, X.P.
;
Yin, Z.S.
;
He, W.J.
;
He, S.
;
Gao, L.M.
;
Zhu, M.H.
;
Gao, B.X.
;
Aminov, B.
;
Getta, M.
;
Kolesov, S.
;
Piel, H.
;
Pupeter, N.
;
Wehler, D.
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浏览/下载:5/0
Theoretical elastic stiffness, structural stability and thermal conductivity of La(2)T(2)O(7) (T = Ge, Ti, Sn, Zr, Hf) pyrochlore
期刊论文
Acta Materialia, 2010, 卷号: 58, 期号: 13, 页码: 4369-4377
B. Liu
;
J. Y. Wang
;
F. Z. Li
;
Y. C. Zhou
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浏览/下载:13/0
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提交时间:2012/04/13
Non-binary oxides
Mechanical properties
Thermal conductivity
Density
functional theory
Local density approximations (LDA)
oxide pyrochlores
a(2)b(2)o(7)
simulation
disorder
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