ELECTRICAL PROPERTIES OF Si1-X-YGeXCY FILMS GROWN BY ION IMPLANTATION AND SOLID PHASE EPITAXY

2002 ◽  
Vol 16 (28n29) ◽  
pp. 4234-4237
Author(s):  
XUEQIN LIU ◽  
CONGMIAN ZHEN ◽  
YINYUE WANG ◽  
JING ZHANG ◽  
YUEJIAO PU ◽  
...  

Si 0.875-y Ge 0.125 C y ternary alloy films were grown on Si by ion implantation of C into Si 0.875 Ge 0.125 layers and subsequent solid phase epitaxy. It was shown that C atoms were nearly incorporated into substitutional sites and no SiC was formed in the SiGeC films by optimal two-step annealing. There is a prominent effect of C contents on carrier transport properties. Compared with strained Si 0.875 Ge 0.125 film, enhanced Hall mobility has been obtained in partially and fully strain compensated Si 0.875-y Ge 0.125 C y layer due to the reduction of lattice strain.

2009 ◽  
Vol 94 (15) ◽  
pp. 152105 ◽  
Author(s):  
Kenji Sugiura ◽  
Hiromichi Ohta ◽  
Shin-ichi Nakagawa ◽  
Rong Huang ◽  
Yuichi Ikuhara ◽  
...  

2007 ◽  
Vol 994 ◽  
Author(s):  
Tamar Tchelidze ◽  
Ekaterine Chikoidze ◽  
Francois Jomard ◽  
Ouri Gorochov ◽  
Pierre Galtier

AbstractThe influence of oxygen treatment on carrier transport properties of pure ZnO and ZnO:Cl thin films grown by MOCVD were studied. The experimentally obtained values of carrier concentrations after oxyden treatment at different temperatures, were compared with the the results obtained from thermodynemical analysis of the system: ZnO:Cl-Oxyen vapour pressure, using method of quasi-chemical reactions (QCR).


1988 ◽  
Vol 100 ◽  
Author(s):  
D. B. Poker ◽  
D. K. Thomas

ABSTRACTIon implantation of Ti into LINbO3 has been shown to be an effective means of producing optical waveguides, while maintaining better control over the resulting concentration profile of the dopant than can be achieved by in-diffusion. While undoped, amorphous LiNbO3 can be regrown by solid-phase epitaxy at 400°C with a regrowth velocity of 250 Å/min, the higher concentrations of Ti required to form a waveguide (∼10%) slow the regrowth considerably, so that temperatures approaching 800°C are used. Complete removal of residual damage requires annealing temperatures of 1000°C, not significantly lower than those used with in-diffusion. Solid phase epitaxy of Agimplanted LiNbO3, however, occurs at much lower temperatures. The regrowth is completed at 400°C, and annealing of all residual damage occurs at or below 800°C. Furthermore, the regrowth rate is independent of Ag concentration up to the highest dose implanted to date, 1 × 1017 Ag/cm2. The usefulness of Ag implantation for the formation of optical waveguides is limited, however, by the higher mobility of Ag at the annealing temperature, compared to Ti.


1990 ◽  
Vol 57 (13) ◽  
pp. 1340-1342 ◽  
Author(s):  
J. A. Roth ◽  
G. L. Olson ◽  
D. C. Jacobson ◽  
J. M. Poate

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