Measurements of Surface Electrical Conductance by Microscopic Four-Point Probes.
نویسندگان
چکیده
منابع مشابه
Direct measurement of surface-state conductance by microscopic four-point probe method
For in situ measurements of local electrical conductivity of well defined crystal surfaces in ultrahigh vacuum, we have developed microscopic four-point probes with a probe spacing of several micrometres, installed in a scanningelectron-microscope/electron-diffraction chamber. The probe is precisely positioned on targeted areas of the sample surface by using piezoactuators. This apparatus enabl...
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Four-point probe characterization is a standard method for studying the electrical properties of solids and thin films. The probe spacing in four-point probe technique has to be reduced to micro-scale to obtain expected surface sensitivity and spatial resolution. Therefore, microscopic four-point probes (M4PPs) need to be combined with some microscopy techniques. Two types of M4PPs systems have...
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ژورنال
عنوان ژورنال: Hyomen Kagaku
سال: 2002
ISSN: 0388-5321,1881-4743
DOI: 10.1380/jsssj.23.740