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The ISMAR Prize 2004
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Richard E. Norberg was born in 1922 and
received his Ph.D. 1951 in Physics at the University of
Illinois USA. He was introduced to NMR by Charles Slichter
and Erwin Hahn. Norberg joined the faculty of physics at
Washington University, St. Louis in 1954. His research specialities
are: NMR at high pressure, for physisorbed systems, in amorphous
semiconductors, in condensed rare gases, in metal-hydrogen
systems, and matrix isolated H2, HD, and D2.
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Irving J. Lowe was born in 1929 and received
his Ph.D. 1956 in Physics at Washington University, St.
Louis, USA. His thesis supervisors were George Pake, Donald
Maxwell and Richard Norberg. Lowe was a Sloan Fellow at
Washington University during 1956-58. He spent the years
1958-62 at the University of Minnesota and is professor
of physics since 1962 at the University of Pittsburgh. His
research specialities are: Solid state NMR, NMR theory and
instrumentation, magnetic resonance imaging. Irving J. Lowe
invented the method of magic angle spinning (MAS), independently
from R. Andrew, by extending his earlier work together with
Norberg on motional narrowing.
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Norberg and Lowe jointly introduced the
Fourier Transform method in solid state NMR by demonstrating
that NMR spectra can be obtained by Fourier transformation
of the Free Induction Decay (FID) after a hard pulse. This
led to a detailed investigation of FIDs and the corresponding
spectra of dipole-dipole and quadrupole interactions in
different types of solids. Their seminal work in CaF2 laid
the basis for the understanding of the NMR line shape in
dipole-dipole coupled solids and is still the test case
for NMR line shape theory. Van Vleck had theoretically shown
that the increase of the fourth moment leads to a narrowing
of the central part of the spectrum. Norberg and Lowe observed
this motional narrowing effect in solids. They extended
this work by investigating the change of the line shape
under molecular reorientation in rigid solids and in polymers.
Finally this led to the line narrowing method by magic angle
spinning.
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