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Magnetism in cobalt clusters.
~
Emmert, Jeffrey Wayne.
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Magnetism in cobalt clusters.
紀錄類型:
書目-電子資源 : Monograph/item
正題名/作者:
Magnetism in cobalt clusters./
作者:
Emmert, Jeffrey Wayne.
面頁冊數:
75 p.
附註:
Source: Dissertation Abstracts International, Volume: 67-01, Section: B, page: 0333.
Contained By:
Dissertation Abstracts International67-01B.
標題:
Physics, Molecular. -
ISBN:
9780542480072
Magnetism in cobalt clusters.
Emmert, Jeffrey Wayne.
Magnetism in cobalt clusters.
- 75 p.
Source: Dissertation Abstracts International, Volume: 67-01, Section: B, page: 0333.
Thesis (Ph.D.)--University of Virginia, 2006.
The results of Stern-Gerlach type magnetic deflection experiments on clusters of cobalt consisting of 15 to 200 atoms are reported. These cobalt clusters exhibit superparamagnetic behavior over a wide range of temperatures and applied magnetic fields. The average magnetic moment per atom was determined for each cluster size. These range from 2.28 muB to 3.40 mu B, significantly exceeding the 1.72 muB per atom moment of bulk cobalt. This enhanced magnetism predictably decreases with increasing cluster size, but the evolution to the bulk is not smooth and exhibits detailed structure.
ISBN: 9780542480072Subjects--Topical Terms:
1018648
Physics, Molecular.
Magnetism in cobalt clusters.
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The results of Stern-Gerlach type magnetic deflection experiments on clusters of cobalt consisting of 15 to 200 atoms are reported. These cobalt clusters exhibit superparamagnetic behavior over a wide range of temperatures and applied magnetic fields. The average magnetic moment per atom was determined for each cluster size. These range from 2.28 muB to 3.40 mu B, significantly exceeding the 1.72 muB per atom moment of bulk cobalt. This enhanced magnetism predictably decreases with increasing cluster size, but the evolution to the bulk is not smooth and exhibits detailed structure.
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