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<p class=MsoNormal style='text-autospace:none'><b><span style='color:#810000'>The
Neutron Scattering Society of America is pleased to announce the 2010
recipients of its 3 major prizes.<o:p></o:p></span></b></p>
<p class=MsoNormal style='text-autospace:none'><span style='color:black'><o:p> </o:p></span></p>
<p class=MsoNormal align=center style='text-align:center;text-autospace:none'><b><span
style='color:black'>Dr. Herbert A. Mook Jr.<o:p></o:p></span></b></p>
<p class=MsoNormal align=center style='text-align:center;text-autospace:none'><span
style='color:black'>is the recipient of the<o:p></o:p></span></p>
<p class=MsoNormal align=center style='text-align:center;text-autospace:none'><b><span
style='color:black'>2010 Clifford G. Shull Prize<o:p></o:p></span></b></p>
<p class=MsoNormal align=center style='text-align:center;text-autospace:none'><span
style='color:black'>of the Neutron Scattering Society of America with the
citation:<o:p></o:p></span></p>
<p class=MsoNormal align=center style='text-align:center;text-autospace:none'><b><i><span
style='color:black'>“For outstanding contributions to the study of
magnetism, superconductivity, and<o:p></o:p></span></i></b></p>
<p class=MsoNormal align=center style='text-align:center;text-autospace:none'><b><i><span
style='color:black'>quantum phenomena in matter with neutrons”<o:p></o:p></span></i></b></p>
<p class=MsoNormal style='text-autospace:none'><span style='color:black'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
color:black'>Dr. Mook has worked at the forefront of neutron scattering and
condensed matter physics throughout his entire career. His research spans a
number of diverse topics including magnetic excitations in transition metals
and mixed valence materials to momentum distributions of the quantum fluids 4He
and 3He. His most important and influential research, however, is related to the
interaction of magnetism and superconductivity. In particular, Dr. Mook and
collaborators used neutrons to investigate the nature of the magnetic to
superconducting transition in the rareearth rhodium borides in the 1980’s.
With the discovery of high temperature superconductivity in the cuprates, Dr.
Mook championed a series of exceptional experiments to elucidate the nature of
the magnetic structure and fluctuations in “214” and “Y123”
high TC materials. In addition to these investigations, he also led studies of
the vortex lattice in superconducting materials by small angle scattering. As
part of this research, Dr. Mook trained a large cohort students and post docs,
many of whom have gone on to pursue important careers in neutron<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
color:black'>science of their own.<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
color:black'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
color:black'>Dr. Mook received his PhD in 1965 from Harvard University, though
notably, he worked with Prof. Cliff Shull who was then at MIT. He immediately
moved to Oak Ridge National Laboratory where he has remained for the rest of
his career. He held a series of leadership positions at ORNL including Head of
the Neutron Scattering Section from 1995– 2000, Scientific Director of
the Spallation Neutron Source from 1995-2000, Director of the Center for
Neutron Science from 2000–2004 and Scientific Director of the Center for
Neutron Scattering from 2004-2005. Currently Dr. Mook is a Senior Corporate
Fellow of the Laboratory and a senior Advisor to the Neutron Sciences
Directorate. Throughout the years, he has served on numerous advisory
committees designed to develop, promote and enhance neutron scattering facilities
in the U.S. He has received notable awards for science, including the DOE Award
for Outstanding Scientific Accomplishments in Solid State Physics in 1982 and
1998, and for instrumentation development. In addition he holds several patents
for neutron instrumentation involving, for example, better methods of accomplishing
neutron polarization. The depth of his contribution to science is evident in
his citation recorded: His 200 papers have been cited over 9000 times with 52
papers each cited 52 times or more.<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='color:black'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='color:black'><o:p> </o:p></span></p>
<p class=MsoNormal align=center style='text-align:center;text-autospace:none'><b><span
style='color:black'>Prof. Collin Broholm<o:p></o:p></span></b></p>
<p class=MsoNormal align=center style='text-align:center;text-autospace:none'><span
style='color:black'>Johns Hopkins University<o:p></o:p></span></p>
<p class=MsoNormal align=center style='text-align:center;text-autospace:none'><span
style='color:black'>is the recipient of the<o:p></o:p></span></p>
<p class=MsoNormal align=center style='text-align:center;text-autospace:none'><b><span
style='color:black'>2010 Sustained Research Prize<o:p></o:p></span></b></p>
<p class=MsoNormal align=center style='text-align:center;text-autospace:none'><span
style='color:black'>of the Neutron Scattering Society of America (NSSA) with
the citation:<o:p></o:p></span></p>
<p class=MsoNormal align=center style='text-align:center;text-autospace:none'><b><i><span
style='color:black'>“For outstanding neutron scattering studies of
correlated electron physics in<o:p></o:p></span></i></b></p>
<p class=MsoNormal align=center style='text-align:center;text-autospace:none'><b><i><span
style='color:black'>magnets, metals and superconductors, and for science-driven
development of<o:p></o:p></span></i></b></p>
<p class=MsoNormal align=center style='text-align:center;text-autospace:none'><b><i><span
style='color:black'>neutron scattering techniques”<o:p></o:p></span></i></b></p>
<p class=MsoNormal style='text-autospace:none'><span style='color:black'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
color:black'>Prof. Broholm’s experiments have been central to the modern
agenda of solids with strongly interacting internal degrees of freedom. He has
shown great insight in choosing model systems of high intrinsic interest and
broad impact for both experiment and theory. An example is his work on the
metal-insulator transition in the correlated system V2O3. A mean-field phase diagram
for such systems was worked out theoretically in the 1990’s, but needed
testing. Prof. Broholm’s neutron studies provided the first real tests of
that picture, and showed that the general trends of magnetic ordering and
itinerancy were well described. This work reignited both experimental and
theoretical interest in V2O3 and was a precursor for subsequent intense interest
in orbital ordering transitions in vanadates and other oxides. His work on
fundamental metal physics includes key discoveries relating to the magnetism of
superconductors, ranging<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
color:black'>from URu2Si2, in his thesis, to the layered CeTMIn5 compounds of
more recent vintage, as well as that of the recently discovered pnictides.
Prof. Broholm has also championed a great deal of important work on one and two
dimensional quantum magnetic systems. In particular, he performed definitive
experiments on the unusual quantum disorder and triplet excitations in S=1 spin
chain compounds, and their distinction from S=1/2 spin chain systems. Prof.
Broholm, his students and colleagues have studied a range of different
frustrated magnetic materials. His pioneering work on the prototypical kagome
system SCGO initiated continuing broad interest in kagome lattice
antiferromagnetism. Experiments on a three-dimensional kagome analogue, the spinel
ZnCr2O4, have established the concept of emergent (spin-cluster) collective
degrees of freedom and the importance of magneto-elastic effects in frustrated spin
states. Influential neutron work on the multiferroic properties of frustrated
magnets led by Prof. Broholm have established how ferroelectric polarization
emerges when magnetic order breaks the inversion<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
color:black'>symmetry of the paramagnetic phase of an insulator.<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
color:black'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
color:black'>Prof. Broholm has also made outstanding contributions in the
development of neutron scattering techniques, beginning with the SPINS
cold-neutron triple-axis spectrometer at the NIST Center for Neutron Research
(NCNR). He pursued both sophisticated instrument development and its application
to elegant experimental studies of the most topical problems in condensed
matter physics. The culmination of these instrumentation efforts is the Multi
Axis Crystal Spectrometer (MACS) spectrometer, currently under commissioning at
the NCNR. Using a very large, focusing monochromator and an array of separate
analyzers and detectors, the instrument can sample a large region of phase
space very efficiently. Prof. Broholm also leads an effort to enable neutron
scattering measurements in ultra-high magnetic fields, e.g., above 30 Tesla, at
pulsed neutron sources such as the SNS. This will open new opportunities to
study structure and dynamics in both hard and soft condensed matter.<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
color:black'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
color:black'>Collin Broholm is the Gerhard H. Dieke Professor in the Department
of Physics and Astronomy, at Johns Hopkins University where he directs the
Institute for Quantum Matter. He earned his Ph.D. from the University of
Copenhagen in 1988, was a post doc at AT&T Bell Laboratories from
1988-1990, and joined Johns Hopkins in 1990. Prof. Broholm has held important
advisory roles within the US neutron scattering community, including chair of
the Experimental Facilities Advisory Committee of SNS from 2002-2006, and
Program Co-Chair for the 2010 American Conference on Neutron Scattering.<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='color:black'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='color:black'><o:p> </o:p></span></p>
<p class=MsoNormal align=center style='text-align:center;text-autospace:none'><b><span
style='color:black'>Dr. Craig Brown<o:p></o:p></span></b></p>
<p class=MsoNormal align=center style='text-align:center;text-autospace:none'><span
style='color:black'>NIST Center for Neutron Research<o:p></o:p></span></p>
<p class=MsoNormal align=center style='text-align:center;text-autospace:none'><span
style='color:black'>is the recipient of the<o:p></o:p></span></p>
<p class=MsoNormal align=center style='text-align:center;text-autospace:none'><b><span
style='color:black'>2010 Science Prize<o:p></o:p></span></b></p>
<p class=MsoNormal align=center style='text-align:center;text-autospace:none'><span
style='color:black'>of the Neutron Scattering Society of America (NSSA) with
the citation:<o:p></o:p></span></p>
<p class=MsoNormal align=center style='text-align:center;text-autospace:none'><b><i><span
style='color:black'>“For outstanding neutron scattering studies of
hydrogen-framework interactions in<o:p></o:p></span></i></b></p>
<p class=MsoNormal align=center style='text-align:center;text-autospace:none'><b><i><span
style='color:black'>metal-organic frameworks”<o:p></o:p></span></i></b></p>
<p class=MsoNormal style='text-autospace:none'><span style='color:black'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
color:black'>Metal organic frameworks (MOFs) are porous materials that possess
large surface areas, but in general early examples of these materials displayed
hydrogen binding energies to the MOF framework that are too small to result in
storage of significant amounts of hydrogen at roomtemperature. Dr. Brown’s
research highlights the importance of coordinatively unsaturated metal centers
(CUMCs) in enhancing the binding of hydrogen molecules in these sorbent materials
with the aim of developing hydrogen storage systems that operate efficiently at
room temperature. Using neutron diffraction to study the structure of a
Mn-based MOF as a function of hydrogen loading, he isolated four separate
locations of the adsorbed hydrogen molecules, showing that the interaction of
hydrogen with the Mn CUMC is responsible for the rather strong binding in this
material.<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
color:black'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
color:black'>This discovery, along with work on other framework materials
containing Cu or Zn, has served as a basis for the development of related
materials with even higher storage densities. Using inelastic neutron
scattering, Dr. Brown and his collaborators have also investigated hydrogendynamics
in these materials. All of these new insights into how guest hydrogen molecules
interact with MOF frameworks have greatly influenced how chemists tailor new
materials to achieve enhanced hydrogen storage properties. His accomplishments
have established Dr. Brown as a leading expert in the field of hydrogen
storage. <o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
color:black'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
color:black'>Dr. Brown received his PhD from the University of Sussex and the
Institute Laue Langevin where he studied with Prof. K. Prassides and the late
Dr. A.J. Dianoux. He is currently an instrument scientist for the Disk Chopper
Spectrometer at the NIST Center for Neutron Research (NCNR) where he has been
responsible for the operations of several spectrometers over the past decade.
He is the leader of the NCNR effort within the Hydrogen Sorption Center of
Excellence, funded by the US Department of Energy. His outstanding scientific
contributions have also been recognized with a 2008 Presidential Early Career
Award for Scientists and Engineers (PECASE), the highest honor bestowed by the
United States government on young<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'>professionals in
the early stages of their independent research careers.</span><span
style='font-size:10.0pt'><o:p></o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>--<o:p></o:p></p>
<p class=MsoNormal>Dr. Thomas Proffen<o:p></o:p></p>
<p class=MsoNormal>NPDF instrument scientist<o:p></o:p></p>
<p class=MsoNormal>Editor Zeitschrift f. Kristallographie<o:p></o:p></p>
<p class=MsoNormal>Lujan Neutron Scattering Center, LANL<o:p></o:p></p>
<p class=MsoNormal>MS H805, Los Alamos, NM 87545, USA<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Phone: +1 505 665-6573<o:p></o:p></p>
<p class=MsoNormal>Fax: +1 505 665-2676<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Email: <a href="mailto:tproffen@lanl.gov">tproffen@lanl.gov</a><o:p></o:p></p>
<p class=MsoNormal>WWW: <a
href="http://lansce.lanl.gov/lujan/instruments/NPDF">http://lansce.lanl.gov/lujan/instruments/NPDF</a><o:p></o:p></p>
<p class=MsoNormal>ID: <a href="http://www.researcherid.com/rid/B-3585-2009">http://www.researcherid.com/rid/B-3585-2009</a><o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Export license: TSPA, Correspondence<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
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