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Title: Using triaxial magnetic fields to create optimal particle composites.

The properties of a particle composite can be controlled by organizing the particles into assemblies. The properties of the composite will depend on the structure of the particle assemblies, and for any give property there is some optimal structure. Through simulation and experiment we show that the application of heterodyned triaxial magnetic or electric fields generates structures that optimize the magnetic and dielectric properties of particle composites. We suggest that optimizing these properties optimizes other properties, such as transport properties, and we give as one example of this optimization the magnetostriction of magnetic particle composites formed in a silicone elastomer.
Authors:
Publication Date:
OSTI Identifier:
952810
Report Number(s):
SAND2004-2180C
TRN: US200914%%26
DOE Contract Number:
AC04-94AL85000
Resource Type:
Conference
Resource Relation:
Conference: Proposed for presentation at the European MRS Meeting held May 24-28, 2004 in Strasburg, France.
Research Org:
Sandia National Laboratories
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; COMPOSITE MATERIALS; FABRICATION; DIELECTRIC PROPERTIES; ELECTRIC FIELDS; MAGNETIC FIELDS; MAGNETOSTRICTION; ELECTRICAL PROPERTIES; SILICONES; ELASTOMERS