CHEMICAL VAPOR DEPOSITION;
ELECTRON ENERGY LOSS SPECTROSCOPY;
LOW INDEX SINGLE CRYSTAL SURFACES;
SILICON;
THERMAL DESORPTION SPECTROSCOPY;
VIBRATIONS OF ADSORBED MOLECULES;
D O I:
10.1016/0039-6028(95)00568-4
中图分类号:
O64 [物理化学(理论化学)、化学物理学];
学科分类号:
070304 ;
081704 ;
摘要:
The interaction of methyl chloride with Si(100) has been studied with electron energy loss spectroscopy (EELS), Auger electron spectroscopy (AES), and temperature programmed desorption (TPD). Dissociative adsorption occurs with near unity sticking probability to form adsorbed CH3 and Cl at less than or equal to 300 K. Molecularly adsorbed species are also present at < 100 K. The sticking coefficient is reduced at higher surface temperatures and the possibility of a precursor is discussed. Moderate exposures (100 L) at substrate temperatures above 500 K result in a carbon layer possessing C-C single bonds. In addition, no chlorine is observed on the surface for exposure temperatures greater than or equal to 700 K, making methyl chloride a promising candidate for carbon film growth.
机构:
UNIV NACL MAR DEL PLATA,INST MAT SCI & TECHNOL,CONICET,RA-7600 MAR DEL PLATA,ARGENTINAUNIV NACL MAR DEL PLATA,INST MAT SCI & TECHNOL,CONICET,RA-7600 MAR DEL PLATA,ARGENTINA
Williams, FJ
Sanchez, JR
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UNIV NACL MAR DEL PLATA,INST MAT SCI & TECHNOL,CONICET,RA-7600 MAR DEL PLATA,ARGENTINAUNIV NACL MAR DEL PLATA,INST MAT SCI & TECHNOL,CONICET,RA-7600 MAR DEL PLATA,ARGENTINA
Sanchez, JR
Aldao, CM
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机构:
UNIV NACL MAR DEL PLATA,INST MAT SCI & TECHNOL,CONICET,RA-7600 MAR DEL PLATA,ARGENTINAUNIV NACL MAR DEL PLATA,INST MAT SCI & TECHNOL,CONICET,RA-7600 MAR DEL PLATA,ARGENTINA
机构:
Univ Illinois, Dept Mat Sci & Engn, Urbana, IL 61801 USA
Univ Nacl Mar del Plata CONICET, Inst Mat Sci & Technol INTEMA, Mar Del Plata, Buenos Aires, ArgentinaUniv Illinois, Dept Mat Sci & Engn, Urbana, IL 61801 USA
Aldao, C. M.
Agrawal, Abhishek
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机构:
Univ Illinois, Dept Mat Sci & Engn, Urbana, IL 61801 USAUniv Illinois, Dept Mat Sci & Engn, Urbana, IL 61801 USA
Agrawal, Abhishek
Butera, R. E.
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机构:
Univ Illinois, Dept Mat Sci & Engn, Urbana, IL 61801 USAUniv Illinois, Dept Mat Sci & Engn, Urbana, IL 61801 USA
Butera, R. E.
Weaver, J. H.
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h-index: 0
机构:
Univ Illinois, Dept Mat Sci & Engn, Urbana, IL 61801 USAUniv Illinois, Dept Mat Sci & Engn, Urbana, IL 61801 USA