Effects of B site partial substitutions of perovskite-type La0.6Sr0.4CoO3 on oxygen desorption

1989 ◽  
Vol 8 (9) ◽  
pp. 995-996 ◽  
Author(s):  
H. -M. Zhang ◽  
N. Yamazoe ◽  
Y. Teraoka
Keyword(s):  
Oxygen Desorption ◽  
Perovskite Type

Relationship between oxygen desorption and the reduction features of Mn and Fe in perovskite-type SrFe1−xMnxO3−δ

2020 ◽  
Vol 283 ◽  
pp. 121152 ◽  
Author(s):  
Fumito Fujishiro ◽  
Natsumi Oshima ◽  
Nanako Kamioka ◽  
Tokio Sakuragi ◽  
Masatsugu Oishi
Keyword(s):  
Oxygen Desorption ◽  
Perovskite Type

Oxygen desorption behavior of sol-gel derived perovskite-type oxides in a pressurized fixed bed reactor

2017 ◽  
Vol 323 ◽  
pp. 340-346 ◽  
Author(s):  
Haoran Ding ◽  
Yongqing Xu ◽  
Cong Luo ◽  
Qiyao Wang ◽  
Shuai Li ◽  
...  
Keyword(s):  
Sol Gel ◽  
Fixed Bed ◽  
Fixed Bed Reactor ◽  
Oxygen Desorption ◽  
Perovskite Type

Quantitative surface damage studies by H.R.E.M.

1989 ◽  
Vol 47 ◽  
pp. 632-633
Author(s):  
S. R. Singh ◽  
H. J. Fan ◽  
L. D. Marks
Keyword(s):  
Solar Wind ◽  
Quantitative Analysis ◽  
Surface Science ◽  
Surface Damage ◽  
Space Environment ◽  
Oxygen Desorption ◽  
The Past ◽  
Diffusion Controlled ◽  
Original Observation ◽  
Substantial Interest

Since the original observation that the surfaces of materials undergo radiation damage in the electron microscope similar to that observed by more conventional surface science techniques there has been substantial interest in understanding these phenomena in more detail; for a review see. For instance, surface damage in a microscope mimics damage in the space environment due to the solar wind and electron beam lithographic operations.However, purely qualitative experiments that have been done in the past are inadequate. In addition, many experiments performed in conventional microscopes may be inaccurate. What is needed is careful quantitative analysis including comparisons of the behavior in UHV versus that in a conventional microscope. In this paper we will present results of quantitative analysis which clearly demonstrate that the phenomena of importance are diffusion controlled; more detailed presentations of the data have been published elsewhere.As an illustration of the results, Figure 1 shows a plot of the shrinkage of a single, roughly spherical particle of WO3 versus time (dose) driven by oxygen desorption from the surface.

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