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Optimization of Sample Holder Materials for Sensitive Magnetometry Measurements at Low Temperatures

Published online by Cambridge University Press:  15 March 2011

I. Bossi ,
N.R. Dilley ,
J. R. O'Brien  and
S. Spagna
I. Bossi
Affiliation:
Quantum Design Inc., 6325 Lusk Blvd., San Diego, CA, 92121
N.R. Dilley
Affiliation:
Quantum Design Inc., 6325 Lusk Blvd., San Diego, CA, 92121
J. R. O'Brien
Affiliation:
Quantum Design Inc., 6325 Lusk Blvd., San Diego, CA, 92121
S. Spagna
Affiliation:
Quantum Design Inc., 6325 Lusk Blvd., San Diego, CA, 92121
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Abstract

Magnetization measurements were performed as a function of magnetic field H and temperature T on samples of nine different materials including clear fused quartz, cartridge brass, G-10 glass-reinforced epoxy, acetal homopolymer, glass-filled acetal, phenolic, and other plastics. A small yet distinct amount of ferromagnetic or paramagnetic impurities is observed in all the materials investigated in this study except quartz. In contrast, the magnetic response of quartz is typical of a diamagnet over the temperature range 5 K to 300 K. The volume susceptibility is equal to −4.4×10−7 (cgs) over the whole temperature range.

Information

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 825: Symposium G – Semiconductor Spintronics , 2004 , G5.5
Copyright
Copyright © Materials Research Society 2004

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