ADAPTING A COMPACT MOTT SPIN POLARIMETER TO A LARGE COMMERCIAL ELECTRON-ENERGY ANALYZER FOR SPIN-POLARIZED ELECTRON-SPECTROSCOPY

被引:12
作者
HUANG, DJ
LEE, JY
SUEN, JS
MULHOLLAN, GA
ANDREWS, AB
ERSKINE, JL
机构
[1] Department of Physics, University of Texas at Austin, Austin
关键词
D O I
10.1063/1.1144270
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
A modified Rice University-type compact Mott spin polarimeter operating at 20 kV is adapted to a large commerical hemispherical electron energy analyzer. Normal energy analyzer functions are preserved via a retractable channeltron in the polarimeter acceleration column. In the spin-detection mode, the polarimeter permits analysis of two orthogonal transverse spin-polarization components. Electron trajectory analysis is used to optimize polarimeter lens column voltages in both normal and spin-detection modes. Performance levels are established by experiments and significantly improved spin-detection efficiency is shown to be accessible by changes in the polarimeter collection solid angle.
引用
收藏
页码:3474 / 3479
页数:6
相关论文
共 20 条
[1]   SIMPLE AND COMPACT LOW-ENERGY MOTT POLARIZATION ANALYZER [J].
DUNNING, FB ;
GRAY, LG ;
RATLIFF, JM ;
TANG, FC ;
ZHANG, X ;
WALTERS, GK .
REVIEW OF SCIENTIFIC INSTRUMENTS, 1987, 58 (09) :1706-1708
[2]  
EGELHOFF WF, 1988, CRIT REV SOLID STATE, V14, P269
[3]  
Feder R, 1985, POLARIZED ELECTRONS
[4]   MOTT ELECTRON POLARIMETRY [J].
GAY, TJ ;
DUNNING, FB .
REVIEW OF SCIENTIFIC INSTRUMENTS, 1992, 63 (02) :1635-1651
[5]   ELIMINATION OF INSTRUMENTAL ASYMMETRIES IN ELECTRON POLARIZATION ANALYSIS [J].
GELLRICH, A ;
JOST, K ;
KESSLER, J .
REVIEW OF SCIENTIFIC INSTRUMENTS, 1990, 61 (11) :3399-3404
[6]   SIMPLE, COMPACT, MEDIUM-ENERGY MOTT POLARIZATION ANALYZER [J].
GRAY, LG ;
HART, MW ;
DUNNING, FB ;
WALTERS, GK .
REVIEW OF SCIENTIFIC INSTRUMENTS, 1984, 55 (01) :88-91
[7]   COMPARISON OF ETENDUE OF ELECTRON SPECTROMETERS [J].
HEDDLE, DWO .
JOURNAL OF PHYSICS E-SCIENTIFIC INSTRUMENTS, 1971, 4 (08) :589-&
[8]  
HUANG DJ, 1994, THESIS U TEXAS AUSTI
[9]  
Kessler J., 1985, POLARIZED ELECTRONS
[10]   SPIN POLARIZATION IN DOUBLE DIFFRACTION OF LOW-ENERGY ELECTRONS FROM W(001) - EXPERIMENT AND THEORY [J].
KIRSCHNER, J ;
FEDER, R .
PHYSICAL REVIEW LETTERS, 1979, 42 (15) :1008-1011