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Title:Experimental and Simulation Studies of the Processing of Nanoscale Materials: Inert Gas Condensation and Ion Irradiation Methods
Author(s):Krasnochtchekov, Pavel Georgievitch
Doctoral Committee Chair(s):Averback, R.S.
Department / Program:Materials Science and Engineering
Discipline:Materials Science and Engineering
Degree Granting Institution:University of Illinois at Urbana-Champaign
Subject(s):Physics, Condensed Matter
Abstract:Analysis of magnetization data in the framework of superparamagnetic theory revealed that at irradiation temperatures Ti below T i ∼350°C, phase separation in Cu-Co films of all compositions stabilizes at high doses (by 5 x 1015 ions/cm 2), indicating the existence of temperature-dependent steady states for these alloys under irradiation. At temperatures higher than 350°C, macroscopic-like coarsening is observed. At low temperatures (room temperature and below), FC/ZFC (field cooled/zero field cooled) measurements clearly show the randomizing effect of irradiation. The observed phase separation behavior of Cu-Co system under irradiation fits well with the predictions of the theoretical model of Enrique and Bellon for immiscible alloy films under irradiation.
Issue Date:2004
Description:131 p.
Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2004.
Other Identifier(s):(MiAaPQ)AAI3130960
Date Available in IDEALS:2015-09-25
Date Deposited:2004

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