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CAS IR Grid
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物理研究所 [2]
长春光学精密机械与物... [2]
上海应用物理研究所 [2]
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OAI收割 [6]
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期刊论文 [4]
会议论文 [2]
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2018 [2]
2012 [1]
2010 [1]
2007 [1]
1998 [1]
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Unexpected refacetting of palladium nanoparticles under atmospheric N-2 conditions
期刊论文
OAI收割
CHEMICAL COMMUNICATIONS, 2018, 卷号: 54, 期号: 62, 页码: 8587-8590
作者:
Zhang, X
;
Meng, J
;
Zhu, BE
;
Yuan, WT
;
Yang, HS
  |  
收藏
  |  
浏览/下载:65/0
  |  
提交时间:2019/12/17
IN-SITU OBSERVATION
CO OXIDATION
ELECTRON-MICROSCOPY
COPPER NANOCRYSTALS
PD NANOCRYSTALS
SHAPE EVOLUTION
HYDROGENATION
CATALYSTS
PRESSURE
METHANE
InGaAs nanoflowers grown by MOCVD (EI CONFERENCE)
会议论文
OAI收割
2012 Spring International Conference on Material Sciences and Technology, MST-S, May 27, 2012 - May 30, 2012, Xi'an, China
作者:
Zhang T.
收藏
  |  
浏览/下载:23/0
  |  
提交时间:2013/03/25
InGaAs nanoflowers have been prepared on InP substrates by MOCVD
using TMIn
TMGa and AsH3 as reactive precursors at 420 C. Through observation by scanning electron microscopy
we find that InGaAs nanoflowers are composed with blades and rods. The flower patterns are controlled by the growth temperature. The nanoflowers of InGaAs are disappeared
when we alter the growth temperature up and down. The InGaAs nanoflowers are In0.98Ga0.02As. (2012) Trans Tech Publications
Switzerland.
Application of magnetic atom induced bound states in superconducting gap for chemical identification of single magnetic atoms
期刊论文
OAI收割
APPLIED PHYSICS LETTERS, 2010, 卷号: 96, 期号: 7
Ji, SH
;
Zhang, T
;
Fu, YS
;
Chen, X
;
Jia, JF
;
Xue, QK
;
Ma, XC
收藏
  |  
浏览/下载:34/0
  |  
提交时间:2013/09/17
ELECTRON-TUNNELING OBSERVATION
IMPURITY BANDS
MICROSCOPY
ALLOYS
LEAD
The synthesis and field emission property of carbon nanotubes on carbon fibers substrate (EI CONFERENCE)
会议论文
OAI收割
Technical Digest of the 20th International Vacuum Nanoelectronics Conference, IVNC 07, July 8, 2008 - July 12, 2008, Chicago, IL, United states
Leyong Z.
;
Weibiao W.
;
Jingqiu L.
;
Yuxue X.
;
Da L.
;
Song C.
;
Haifeng Z.
收藏
  |  
浏览/下载:33/0
  |  
提交时间:2013/03/25
Using ferrocene as catalyst precursor
C2H2 as carbon source
carbon nanotubes (CNTs) with uniform density were synthesized on carbon fibers substrate by floating catalyst method. The morphology and microstructure were characterized by field emission scanning electron microscope (FESEM) and high-resolution transmission electron microscopy (HRTEM). The observation showed that the length of CNTs is about 2 m
the average space between adjacent CNTs is about 300 nm and the diameter of CNT is about 45 nm. The less dense "short and stubby" aligned CNTs films should have good electron field emission characteristics. The results of field emission showed that the emission current of CNTs/carbon fibers was 5 A at the field of 2.5 V/m
and the emission current can be 280 A with a field of 7 V/m (the specimen area is 0.25 cm2 and the distance between cathode and anode is 200 m). The calculation based on the F-N plot indicated that the field enhancement factor of CNTs tip is 499122. Using the conductivity and chemical stability of carbon fibers and the uniform and sparse density distribution of CNTs on carbon fibers substrate
the tip predominance of carbon nanotubes can be exerted
and simultaneously the effect of screening effects between adjacent carbon nanotubes on the field emission performance can also be effectively decreased. The CNTs synthesized on carbon fibers substrate has many predominances for the fabrication of cold cathode devices. For example
using the removability of carbon fibers
the cathode of CNTs/carbon fibers can be arbitrarily moved
enlaced or combined to form different patterns
and the cathode of CNTs/carbon fibers can be also fabricated in large size. Therefore
CNTs/carbon fibers may have potential application in field emission displays.
On the formation mechanism of faulted dipolar loops in gamma-TiAl
期刊论文
OAI收割
PHILOSOPHICAL MAGAZINE LETTERS, 1998, 卷号: 77, 期号: 1, 页码: 33
Zhang, YG
;
Lei, CH
;
Li, P
;
Chen, CQ
;
Chaturvedi, MC
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浏览/下载:18/0
  |  
提交时间:2013/09/24
ELECTRON-MICROSCOPY OBSERVATION
ROOM-TEMPERATURE
SUPERDISLOCATION
DEFORMATION