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Anomalous Magnetoresistance in Al/Al-Alloy Composite Conductors

Fickett, F. R. / Thompson, C. A.

Abstract The transverse magnetoresistance of several composite conductors containing a large single filament of pure aluminum in a matrix of Al-Fe-Ce has been measured at 4 K to fields of 10 T. The magnetoresistance (ΔR/R) of the composite is very large, rising to 55 in the “worst” case. Previous measurements on pure polycrystalline aluminum have always shown a rapidly saturating behavior with a very small linear component; AR/R rarely exceeds a value of 5–6. In addition, the magnetoresistance of the composite samples shows a structure as the field is rotatated around the current axis.

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Anomalous Magnetoresistance in Al/Al-Alloy Composite Conductors

Fickett, F. R. / Thompson, C. A.

Abstract The transverse magnetoresistance of several composite conductors containing a large single filament of pure aluminum in a matrix of Al-Fe-Ce has been measured at 4 K to fields of 10 T. The magnetoresistance (ΔR/R) of the composite is very large, rising to 55 in the “worst” case. Previous measurements on pure polycrystalline aluminum have always shown a rapidly saturating behavior with a very small linear component; AR/R rarely exceeds a value of 5–6. In addition, the magnetoresistance of the composite samples shows a structure as the field is rotatated around the current axis.

Anomalous Magnetoresistance in Al/Al-Alloy Composite Conductors

Fickett, F. R. / Thompson, C. A.

Abstract The transverse magnetoresistance of several composite conductors containing a large single filament of pure aluminum in a matrix of Al-Fe-Ce has been measured at 4 K to fields of 10 T. The magnetoresistance (ΔR/R) of the composite is very large, rising to 55 in the “worst” case. Previous measurements on pure polycrystalline aluminum have always shown a rapidly saturating behavior with a very small linear component; AR/R rarely exceeds a value of 5–6. In addition, the magnetoresistance of the composite samples shows a structure as the field is rotatated around the current axis.

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Title:

Anomalous Magnetoresistance in Al/Al-Alloy Composite Conductors

Contributors:

Fickett, F. R. (author) / Thompson, C. A. (author)

Published in:

Advances in Cryogenic Engineering Materials ; 671-678

An International Cryogenic Materials Conference Publication ; 36

Publication date:

1990-01-01

Size:

8 pages

ISBN:

978-1-4613-9882-0 , 978-1-4613-9880-6

ISSN:

DOI:

https://doi.org/10.1007/978-1-4613-9880-6_87

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

Pure Aluminum , Rotational Behavior , Composite Conductor , Transverse Magnetoresistance , Large Magnetoresistance Chemistry , Biochemical Engineering , Characterization and Evaluation of Materials , Mechanical Engineering

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