The inter action between the magnetic field generated by the
neutron and the magnetic moment of atoms containing unpaired
electrons was experimentally demonstrated for the first time about
twenty years ago. The basic theory describing such an in teraction
had already been developed and the first nuclear reactors with
large available thermal neutron fluxes had recently been con
structed. The power of the magnetic neutron interaction for in
vestigating the structure of magnetic materials was immediately
recognized and put to use where possible. Neutron diffraction,
however, was practicable only in countries with nuclear reactors.
The earliest neutron determinations of magnetic ordering were hence
primarily carried out at Oak Ridge and Brookhaven in the US, at
Chalk River in Canada and at Harwell in England. Diffraction
patterns from polycrystalline ferromagnets and antiferromagnets are
interpretable if produced by simple spin arrays. More complex
magnetic scattering patterns could often be unravelled, in terms of
a three-dimensional array of atomic moments, if the specimen
studied is a single crystal. The devel opment of sophisticated
cryogenic equipment, with independently alignable magnetic fields,
opened the way to greater complexity in the magnetic structures
that could be successfully determined, as did also the introduction
of polarized neutron beams. By the end of the 'sixties, many
countries were contributing significantly to neutron diffraction
studies of a wide variety of magnetic materials."
General
Imprint: |
Springer-Verlag New York
|
Country of origin: |
United States |
Release date: |
March 2012 |
First published: |
1970 |
Authors: |
Yurii A Izyumov
|
Dimensions: |
229 x 152 x 32mm (L x W x T) |
Format: |
Paperback
|
Pages: |
598 |
Edition: |
1970 ed. |
ISBN-13: |
978-1-4684-0714-3 |
Categories: |
Books >
Science & Mathematics >
Physics >
Atomic & molecular physics
|
LSN: |
1-4684-0714-7 |
Barcode: |
9781468407143 |
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