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Nuclear magnetic resonance in Al-rich quasiperiodic crystals

Published online by Cambridge University Press:  31 January 2011

M. Rubinstein ,
G.H. Stauss ,
T.E. Phillips ,
K. Moorjani  and
L.H. Bennett
M. Rubinstein
Affiliation:
Naval Research Laboratory, Washington, DC 20375-5000
G.H. Stauss
Affiliation:
Naval Research Laboratory, Washington, DC 20375-5000
T.E. Phillips
Affiliation:
The Johns Hopkins University, APL, Laurel Maryland 20707
K. Moorjani
Affiliation:
The Johns Hopkins University, APL, Laurel Maryland 20707
L.H. Bennett
Affiliation:
National Bureau of Standards, Gaithersburg, Maryland 20899
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Abstract

The 27Al and the 55Mn nuclear magnetic resonance powder pattern lineshapes have been obtained in icosahedral and decagonal (T phase) Al-Mn quasiperiodic crystals, and are compared to that of orthorhombic Al6Mn. The quasiperiodic crystals yield much broader spectra with little resolved structure. The quadrupole and Knight shift parameters for the 55Mn resonance in orthorhombic Al6Mn have been determined as |vQ| = 0.76 MHz,Kax = −2.7 × 10−4, Kiso = + 5 × 10−3. The results imply that Al6Mn and the quasiperiodic crystals have similar electronic and magnetic properties.

Type
Articles
Information
Journal of Materials Research , Volume 1 , Issue 2 , April 1986 , pp. 243 - 246
Copyright
Copyright © Materials Research Society 1986

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