Measurement of the Local Emf of Metals by Scanning Tunnel Spectroscopy

This is a study of the tunneling current-voltage characteristics of metallic samples of Au, Pt, and Pd at room temperature. At low voltages ( V = ±0.1 V) the tunneling current has a linear dependence on the applied potential difference between the probe and sample and its slope differs for different...

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Veröffentlicht in:	Measurement techniques 2014-11, Vol.57 (8), p.855-859
Hauptverfasser:	Troyan, V. I., Borisyuk, P. V., Vasil’ev, O. S., Krasavin, A. V., Florentsev, V. V.
Format:	Artikel
Sprache:	eng
Schlagworte:	Analytical Chemistry Atmospheric pressure Auger spectroscopy Characterization and Evaluation of Materials Electric currents EMF Gold Measurement Science and Instrumentation Measurement techniques Metals Microscopy Nanostructure Nanowires Physical Chemistry Physics Physics and Astronomy Platinum Quantum dots Scanning Slopes Spectroscopy Spectrum analysis Temperature Thermoelectricity Tunneling
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Beschreibung
Zusammenfassung:	This is a study of the tunneling current-voltage characteristics of metallic samples of Au, Pt, and Pd at room temperature. At low voltages ( V = ±0.1 V) the tunneling current has a linear dependence on the applied potential difference between the probe and sample and its slope differs for different samples. An original contactless method is proposed for measuring the local thermal emf of metallic samples and nanoclusters on substrate surfaces.
ISSN:	0543-1972 1573-8906
DOI:	10.1007/s11018-014-0548-3