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Teori gelombang spin dan kemagnetan di subpermukaan ferromagnet dengan pengurangan tukar ganti permukaan

Ahmad, Shamsuddin and Kamis, Ismail and Md. Raji, Abdul Wahid (1992) Teori gelombang spin dan kemagnetan di subpermukaan ferromagnet dengan pengurangan tukar ganti permukaan. In: Prosiding Simposium Kebangsaan Sains Matematik ke V, 20th - 22nd December 1992.

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Abstract

Green's function for the subsurface of semi-infinite ferromagnet is derived by using "adlayer method". This Green's function is used to calculate subsurface density of states and temperature dependence of subsurface magnetization M (T) of spin wave. At temperatures as low as 1% of the Curie temperature T, neither softening surface exchanges nor position of subsurface atomic layers has any effect on the initial T law for subsurface magnetization M (T). The subsurface magnetization M (T) above these temperatures obeys a T law whose prefactor is determined by surface exchanges and the position of subsurfaces.

Item Type:Conference or Workshop Item (Paper)
Additional Information:Anjuran Jabatan Matematik Fakulti Sains, UTM dan Persatuan Matematik Malaysia
Uncontrolled Keywords:subsurface, semi-infinite ferromagnet, adlayer method
Subjects:Q Science > QA Mathematics
Divisions:Science
ID Code:10651
Deposited By: Ms Zalinda Shuratman
Deposited On:25 Oct 2010 01:57
Last Modified:25 Oct 2010 01:57

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