Strong optical anisotropy of the single-domain 5x2-Au reconstruction on vicinal Si(111)

被引:22
作者
Power, JR [1 ]
Weightman, P [1 ]
OMahony, JD [1 ]
机构
[1] DUBLIN INST TECHNOL,SCH PHYS,DUBLIN 8,IRELAND
来源
PHYSICAL REVIEW B | 1997年 / 56卷 / 07期
关键词
D O I
10.1103/PhysRevB.56.3587
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Reflectance anisotropy spectroscopy is applied to metal overlayer growth on the silicon (111) surface. Submonolayer coverages of Au are applied to a stepped Si(111) surface. The evolution of the single-domain Au-induced 5X2 superstructure is seen to produce an optical anisotropy of considerable amplitude for saturation coverage. The optical anisotropy in the region of 2.7 eV is unambiguously assigned to the bonding orientation within the 5X2 unit cell.
引用
收藏
页码:3587 / 3590
页数:4
相关论文
共 13 条
[1]   KINETIC LIMITS OF MONOLAYER GROWTH ON (001) GAAS BY ORGANOMETALLIC CHEMICAL-VAPOR DEPOSITION [J].
ASPNES, DE ;
COLAS, E ;
STUDNA, AA ;
BHAT, R ;
KOZA, MA ;
KERAMIDAS, VG .
PHYSICAL REVIEW LETTERS, 1988, 61 (24) :2782-2785
[2]   ANISOTROPIES IN THE ABOVE BAND-GAP OPTICAL-SPECTRA OF CUBIC SEMICONDUCTORS [J].
ASPNES, DE ;
STUDNA, AA .
PHYSICAL REVIEW LETTERS, 1985, 54 (17) :1956-1959
[3]   ANGLE-RESOLVED PHOTOEMISSION FROM AN UNUSUAL QUASI-ONE-DIMENSIONAL METALLIC SYSTEM - A SINGLE-DOMAIN AU-INDUCED 5X2 RECONSTRUCTION OF SI(111) [J].
COLLINS, IR ;
MORAN, JT ;
ANDREWS, PT ;
COSSO, R ;
OMAHONY, JD ;
MCGILP, JF ;
MARGARITONDO, G .
SURFACE SCIENCE, 1995, 325 (1-2) :45-49
[4]   Reflectance difference spectroscopy: Experiment and theory for the model system Si(001):As and application to Si(001) [J].
Kipp, L ;
Biegelsen, DK ;
Northrup, JE ;
Swartz, LE ;
Bringans, RD .
PHYSICAL REVIEW LETTERS, 1996, 76 (15) :2810-2813
[5]   ATOMIC-STRUCTURE OF SI(111)-(5X2)-AU FROM HIGH-RESOLUTION ELECTRON-MICROSCOPY AND HEAVY-ATOM HOLOGRAPHY [J].
MARKS, LD ;
PLASS, R .
PHYSICAL REVIEW LETTERS, 1995, 75 (11) :2172-2175
[6]   Theoretical and experimental optical spectroscopy study of hydrogen adsorption at Si(111)-(7x7) [J].
Noguez, C ;
Beitia, C ;
Preyss, W ;
Shkrebtii, AI ;
Roy, M ;
Borensztein, Y ;
DelSole, R .
PHYSICAL REVIEW LETTERS, 1996, 76 (26) :4923-4926
[7]   Quantum-sized au structures on Si(111) studied by spectroscopic ellipsometry [J].
OMahony, JD ;
McGilp, JF ;
Musters, PAM ;
Verbruggen, MHW ;
Flipse, CFJ .
SURFACE SCIENCE, 1996, 365 (03) :801-806
[8]   CONTROL OF TERRACE WIDTH AND ATOMIC STEP DISTRIBUTION ON VICINAL SI(111) SURFACES BY THERMAL-PROCESSING [J].
OMAHONY, JD ;
MCGILP, JF ;
LEIBSLE, FM ;
WEIGHTMAN, P ;
FLIPSE, CFJ .
SEMICONDUCTOR SCIENCE AND TECHNOLOGY, 1993, 8 (04) :495-501
[9]  
OMAHONY JD, 1994, PHYS REV B, V49, P2727
[10]   GOLD-INDUCED FACETING OF SI(111) [J].
SEEHOFER, L ;
HUHS, S ;
FALKENBERG, G ;
JOHNSON, RL .
SURFACE SCIENCE, 1995, 329 (03) :157-166