scholarly journals Acceptor removal - Displacement damage effects involving the shallow acceptor doping of p-type silicon devices

Author(s):  
Michael Moll
1989 ◽  
Vol 163 ◽  
Author(s):  
T. Zundel ◽  
J. Weber

AbstractAnnealing of hydrogenated p-type silicon with a reverse bias applied to a Schottky diode allows us to precisely determine the dissociation frequency vA of shallow acceptor-hydrogen pairs (AH with A = B, Al, Ga, and In). The temperature dependent values of vA satisfy the relation vA = voAexp (-EA/kT), with voB = 2.8 . 1014 s-1, voAl = 3.1 . 1013 s-1, VoGa = 6.9 . 1013 s-1, and voIn = 8.4 · 1013 s-1. The dissociation energies EA depend only weakly on the acceptors: EB = (1.28±0.03)eV, EAl = (1.44±0.02) eV, EGa = (1.40±0.03) eV, and EIn = (1.42±0.05) eV. The dissociation frequency of BH pairs shifts to a lower value when H is replaced by the deuterium isotope.


APL Materials ◽  
2021 ◽  
Vol 9 (5) ◽  
pp. 051101
Author(s):  
P. Storm ◽  
S. Gierth ◽  
S. Selle ◽  
M. S. Bar ◽  
H. von Wenckstern ◽  
...  
Keyword(s):  

AIP Advances ◽  
2021 ◽  
Vol 11 (8) ◽  
pp. 085005
Author(s):  
Kevin Lauer ◽  
Geert Brokmann ◽  
Mario Bähr ◽  
Thomas Ortlepp
Keyword(s):  

2019 ◽  
Vol 19 (35) ◽  
pp. 1-7 ◽  
Author(s):  
Thomas Cottineau ◽  
Mario Morin ◽  
Daniel Bélanger
Keyword(s):  

Author(s):  
Vladimir Cindro ◽  
Gregor Kramberger ◽  
Manuel Lozano ◽  
Igor Mandić ◽  
Marko Mikuž ◽  
...  
Keyword(s):  

1999 ◽  
Vol 595 ◽  
Author(s):  
Giancarlo Salviati ◽  
Nicola Armani ◽  
Carlo Zanotti-Fregonara ◽  
Enos Gombia ◽  
Martin Albrecht ◽  
...  

AbstractYellow luminescence (YL) has been studied in GaN:Mg doped with Mg concentrations ranging from 1019 to 1021 cm−3 by spectral CL (T=5K) and TEM and explained by suggesting that a different mechanism could be responsible for the YL in p-type GaN with respect to that acting in n-type GaN.Transitions at 2.2, 2.8, 3.27, 3.21, and 3.44 eV were found. In addition to the wurtzite phase, TEM showed a different amount of the cubic phase in the samples. Nano tubes with a density of 3×109 cm−2 were also observed by approaching the layer/substrate interface. Besides this, coherent inclusions were found with a diameter in the nm range and a volume fraction of about 1%.The 2.8 eV transition was correlated to a deep level at 600 meV below the conduction band (CB) due to MgGa-VN complexes. The 3.27 eV emission was ascribed to a shallow acceptor at about 170-190 meV above the valence band (VB) due to MgGa.The 2.2 eV yellow band, not present in low doped samples, increased by increasing the Mg concentration. It was ascribed to a transition between a deep donor level at 0.8-1.1 eV below the CB edge due to NGa and the shallow acceptor due to MgGa. This assumption was checked by studying the role of C in Mg compensation. CL spectra from a sample with high C content showed transitions between a C-related 200 meV shallow donor and a deep donor level at about 0.9- 1.1 eV below the CB due to a NGa-VN complex. In our hypothesis this should induce a decrease of the integrated intensity in both the 2.2 and 2.8 eV bands, as actually shown by CL investigations.


2015 ◽  
Vol 3 (24) ◽  
pp. 6307-6313 ◽  
Author(s):  
Chao Xie ◽  
Fangze Li ◽  
Longhui Zeng ◽  
Linbao Luo ◽  
Li Wang ◽  
...  

Heterojunctions composed of single p-type CdS nanoribbons (NRs) and n-type silicon (Si) were successfully fabricated and can be applied as fast-speed self-driven visible photodetectors.


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