Determination of the Magnetic Structure of the Antiferromagnetic State of the Organic Superconductor Kappa-(bedt)(2)copper Dicyanamide Chloride Using Nuclear Magnetic Resonance and Magnetometry
Smith, Dylan Franklin
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https://hdl.handle.net/2142/80485
Description
Title
Determination of the Magnetic Structure of the Antiferromagnetic State of the Organic Superconductor Kappa-(bedt)(2)copper Dicyanamide Chloride Using Nuclear Magnetic Resonance and Magnetometry
Author(s)
Smith, Dylan Franklin
Issue Date
2002
Doctoral Committee Chair(s)
Charles P. Slichter
Department of Study
Physics
Discipline
Physics
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Physics, Condensed Matter
Language
eng
Abstract
We report 13C NMR and magnetometer measurements on the magnetic state of the organic superconductor kappa-(BEDT-TTF)2Cu[N(CN) 2]Cl. Various other magnetization and NMR studies have suggested that there is antiferromagnetic ordering of the electron spins in the magnetic state, but the detailed ordering was not understood. Our 13C NMR resonance frequency data in the magnetic state, combined with our analysis of symmetry of the system, show conclusively that the ordering is antiferromagnetic and provide a precise picture of the spin ordering.
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