The electron capture cross section and energy level of the gold acceptor center in silicon

1978 ◽  
Vol 49 (2) ◽  
pp. 667-671 ◽  
Author(s):  
S. D. Brotherton ◽  
J. Bicknell
Keyword(s):  
Energy Level ◽  
Electron Capture ◽  
Cross Section ◽  
Capture Cross Section ◽  
Capture Cross ◽  
Electron Capture Cross Section ◽  
Acceptor Center

Oxidation Induced ON1, ON2a/b Defects in 4H-SiC Characterized by DLTS

2014 ◽  
Vol 778-780 ◽  
pp. 281-284 ◽  
Author(s):  
Ian D. Booker ◽  
Hassan Abdalla ◽  
Louise Lilja ◽  
Jawad ul Hassan ◽  
Peder Bergman ◽  
...  
Keyword(s):  
Correlation Function ◽  
Energy Level ◽  
Electron Capture ◽  
Cross Section ◽  
Cross Sections ◽  
Capture Cross Section ◽  
Capture Cross ◽  
Electron Capture Cross Section ◽  
Pulse Measurement ◽  
Capture Cross Sections

The deep levels ON1and ON2a/bintroduced by oxidation into 4H-SiC are characterized via standard DLTS and via filling pulse dependent DLTS measurements. Separation of the closely spaced ON2a/bdefect is achieved by using a higher resolution correlation function (Gaver-Stehfest 4) and apparent energy level, apparent electron capture cross section and filling pulse measurement derived capture cross sections are given.

scholarly journals FAST NEGATIVE HYDROGEN IONS

1954 ◽  
Vol 32 (4) ◽  
pp. 275-290 ◽  
Author(s):  
A. Charles Whittier
Keyword(s):  
Electron Capture ◽  
Cross Section ◽  
Capture Cross Section ◽  
Hydrogen Gas ◽  
Negative Ion ◽  
Hydrogen Ions ◽  
Capture Cross ◽  
Electron Capture Cross Section ◽  
Magnetic Analysis ◽  
Equilibrium Ratio

A proton beam was directed through hydrogen gas at low pressure and magnetic analysis of the emergent beam showed that an appreciable fraction of the beam was transformed into negative hydrogen ions. After the beam had traversed a sufficient layer of gas, the ratio of negative hydrogen ions to protons reached an equilibrium value which was a maximum of 22.2% at 8.5 kev. The proton energy interval investigated extended from 4 to 70 kev.In this interval the electron loss cross section for negative hydrogen ions was measured and found to vary from 6.3 × 10−16 sq. cm. at 4.2 kev. to 2.5 × 10−10 sq. cm. at 70.3 kev. The electron capture cross section for protons in hydrogen was measured over the same interval and the results agreed substantially with those of other workers. The electron capture cross section for neutral atoms was also determined by combining present results for the negative ion loss cross section and for the equilibrium ratio of H− to H+ with the values of Bartels and of Montague and Ribe for the ratio of neutral atom loss cross section to the proton capture cross section.

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