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Electronic Thermometry in Tunable Tunnel Junction

The method of the present invention allows a direct measurement of a temperature gradient between two closely spaced conducting bodies, provided the separation gap is small enough to allow quantum electron tunneling and it is adjustable. The method does not require calibration against known temperature standards. When combined with scanning probe microscopy, the present invention allows spatially resolved thermal mapping with < 1 nm resolution

Center for Nanophase Matls Sciences Div
Oak Ridge National Laboratory
Oak Ridge National Laboratory
Phone: (865) 241-3808
Nanophase Materials
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