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Direct measurements of magnetostrictive process in amorphous wires using scanning tunneling microscopy
Costa, J. L. (Kungl. Tekniska högskolan. Department of Condensed Matter Physics)
Nogués i Sanmiquel, Josep (Kungl. Tekniska högskolan. Department of Condensed Matter Physics)
Rao, K. V. (Kungl. Tekniska högskolan. Department of Condensed Matter Physics)
American Physical Society

Data: 1995
Resum: We demonstrate a versatile capability to measure directly the magnetostrictive properties through the magnetization process on a nanometric scale using a modified scanning tunneling microscope. Single 10 mm long, 125 μm diam amorphouswires of both positive and negative magnetostriction have been studied and the data are compared with the hysteretic loops determined by both ac and SQUID magnetic measurements. This improved technique promises interesting possibilities, from both fundamental and applications points of view, in a number of scientific disciplines especially of interest in life and environmental sciences.
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Drets: Tots els drets reservats.
Llengua: Anglès
Document: article ; recerca ; publishedVersion
Matèria: Amorphous magnetic materials ; Magnetization measurement ; Alternating current power transmission ; Magnetostriction ; Nanomagnetism ; Nanowires ; Scanning tunneling microscopes ; Scanning tunneling microscopy ; Superconducting quantum interference devices
Publicat a: Applied Physics Letters, Vol. 66, Issue 24 (June 1995) , p. 3374-3376, ISSN 1077-3118

DOI: 10.1063/1.113762

4 p, 332.2 KB

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