MAGNIFICATION IN THE FIELD-ION MICROSCOPE

被引:15
|
作者
WALLS, JM [1 ]
SOUTHWORTH, HN [1 ]
机构
[1] UNIV BIRMINGHAM,DEPT PHYS MET & SCI MAT,BIRMINGHAM B15 2TT,W MIDLANDS,ENGLAND
关键词
D O I
10.1088/0022-3727/12/5/006
中图分类号
O59 [应用物理学];
学科分类号
摘要
A number of fundamental definitions of magnification in the field-ion microscope are derived in terms of parameters determined by the projection geometry. These expressions for magnification are then compared with analogous ones derived using an empirical approach. The precise dependence of magnification on emitter radius is discussed, and a particular example of an asymmetric emitter is worked through in detail.
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页码:657 / &
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