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Formation and Conductive Properties of Miniaturized Fullerite Sensors

Published online by Cambridge University Press:  15 March 2011

Alexander S. Berdinsky ,
Dietmar Fink ,
Alexander V. Petrov ,
Manfred Müller ,
Lewis T. Chadderton ,
Jose F. Chubaci  and
Manfredo H. Tabacniks
Alexander S. Berdinsky
Affiliation:
Novosibirsk State Technica University, Department of Semiconductor Devices & Microelectronics, K. Marx av 20, 630092, Novosibirsk, Russia
Dietmar Fink
Affiliation:
Hahn-Meitner-Institut, Department SF4 (Dynamics of Atoms in Solids), P.O.Box 390128, Glienicker Str. 100, D-14109 Berlin, Germany
Alexander V. Petrov
Affiliation:
Hahn-Meitner-Institut, Department SF4 (Dynamics of Atoms in Solids), P.O.Box 390128, Glienicker Str. 100, D-14109 Berlin, Germany Institute of Solid State and Semiconductor Physics, NAS Belarus, P.Brovka Str. 17, 220072, Minsk, Belarus
Manfred Müller
Affiliation:
Hahn-Meitner-Institut, Department SF4 (Dynamics of Atoms in Solids), P.O.Box 390128, Glienicker Str. 100, D-14109 Berlin, Germany
Lewis T. Chadderton
Affiliation:
Australian National University, GPO Box 4, Canberra, ACT 2601, Australia
Jose F. Chubaci
Affiliation:
Universidade de Sao Paulo, Insituto de Fisica, C.P. 66.318, 05315-970 Sao Paulo (SP), Brazil
Manfredo H. Tabacniks
Affiliation:
Universidade de Sao Paulo, Insituto de Fisica, C.P. 66.318, 05315-970 Sao Paulo (SP), Brazil
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Abstract

Fullerite nanotubules of 100 nm to 2 μm radius, up to 200 nm wal thickness and 10 μm length were produced inside etched swift heavy ion tracks in a polymer, by letting fullerence precipitate from a concentrated C60 solution within the tracks. After contacting the tubules on both sides with silver paste, their resistivity was measured as a function of temperature. All of the 13 prepared samples show a complex behaviour that can be described by tw Arrhenius curves, the low temperature branch with activation energy Eact = (1.77 ± 0.2) eV stemming from pure C60, and the high temperature branch being tentatively ascribed to C60Agx with x ≍ 12.4 and Eact = (0.68 ± 0.2) eV, as the letter compound has found to be produced at ambient temperature by C60 / Ag thermal intermixture. Such samples with tw branches of negative temperature coefficients of resistance might be useful to construct advanced thermoresistors.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 705: Symposium Y – Nanopatterning–From Ultralarge-Scale Integration to Biotechnology , 2001 , Y4.7
Copyright
Copyright © Materials Research Society 2002

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