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<p class="MsoNormal">Dear Quantum Condensed Matter Users of the HFIR at ORNL:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">As the deadline approaches for the next neutron scattering proposal call at ORNL, here are some quick updates about the Quantum Condensed Matter instrument suite at the High Flux Isotope Reactor (HFIR):<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">1. IPTS is now open to accept proposals for cycle 2015-B, with an
<b>April 8th deadline</b> at noon: <a href="http://www.ornl.gov/sci/iums/ipts/">
http://www.ornl.gov/sci/iums/ipts/</a> <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">2. The Quantum Condensed Matter HFIR instrument suite includes:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoListParagraph" style="margin-left:.75in;text-indent:-.5in;mso-list:l0 level1 lfo1">
<![if !supportLists]><span style="mso-list:Ignore">(i)<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>HB-1A: fixed incident energy thermal triple axis spectrometer. Excellent signal-to-noise ratio and large Q-coverage makes this instrument ideal for magnetic diffraction studies of small single crystals (mass > 5 mg) and thin films at
a variety of different temperatures (0.03 K – 1800 K), magnetic fields (0 - 8 T), and applied pressures. For more information, please contact Wei Tian (<a href="mailto:tianwn@ornl.gov">tianwn@ornl.gov</a>) or Adam Aczel (<a href="mailto:aczelaa@ornl.gov">aczelaa@ornl.gov</a>).<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoListParagraph" style="margin-left:.75in;text-indent:-.5in;mso-list:l0 level1 lfo1">
<![if !supportLists]><span style="mso-list:Ignore">(ii)<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>HB-1: polarized thermal triple axis spectrometer. This instrument is specifically designed for polarized beam measurements, but also highly efficient for general purpose unpolarized neutron scattering experiments. These measurements
can be done at a variety of different temperatures (0.03 K – 1800 K) and magnetic fields (0 – 8 T). For more information, please contact Masaaki Matsuda (<a href="mailto:matsudam@ornl.gov">matsudam@ornl.gov</a>) or Daniel Pajerowski (<a href="mailto:pajerowskidm@ornl.gov">pajerowskidm@ornl.gov</a>).<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoListParagraph" style="margin-left:.75in;text-indent:-.5in;mso-list:l0 level1 lfo1">
<![if !supportLists]><span style="mso-list:Ignore">(iii)<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>HB-2A: neutron powder diffractometer. This instrument is used for crystal and magnetic structure studies of powder and ceramic samples at a variety of different temperatures (0.03 K – 1800 K), magnetic fields (0 – 8 T), and applied pressures
up to 2 GPa. For more information, please contact Clarina de la Cruz (<a href="mailto:delacruzcr@ornl.gov">delacruzcr@ornl.gov</a>) or Stuart Calder (<a href="mailto:caldersa@ornl.gov">caldersa@ornl.gov</a>).<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoListParagraph" style="margin-left:.75in;text-indent:-.5in;mso-list:l0 level1 lfo1">
<![if !supportLists]><span style="mso-list:Ignore">(iv)<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>HB-2C: wide-angle neutron diffractometer. This instrument is used for fast measurements of medium-resolution powder diffraction patterns and measurements of diffuse scattering in single crystals using flat-cone geometry. These measurements
can be done at a variety of different temperatures (0.3 K - 1800 K) and magnetic fields (0 - 5 T). For more information, please contact Jaime Fernandez-Baca (<a href="mailto:fernandezbja@ornl.gov">fernandezbja@ornl.gov</a>) or Songxue Chi (<a href="mailto:chis@ornl.gov">chis@ornl.gov</a>).<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoListParagraph" style="margin-left:.75in;text-indent:-.5in;mso-list:l0 level1 lfo1">
<![if !supportLists]><span style="mso-list:Ignore">(v)<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>HB-3: general purpose thermal triple axis spectrometer. This instrument is our most intense triple axis spectrometer and is designed for inelastic measurements on single crystals over a wide range of energy and momentum transfers. These
measurements can be done at a variety of different temperatures (0.03 K – 1800 K) and magnetic fields (0 – 6 T). For more information, please contact Songxue Chi (<a href="mailto:chis@ornl.gov">chis@ornl.gov</a>) or Daniel Pajerowski (<a href="mailto:pajerowskidm@ornl.gov">pajerowskidm@ornl.gov</a>).<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoListParagraph" style="margin-left:.75in;text-indent:-.5in;mso-list:l0 level1 lfo1">
<![if !supportLists]><span style="mso-list:Ignore">(vi)<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>HB-3A: four-circle single crystal diffractometer. This instrument is used for single crystal diffraction measurements (both structural and magnetic) over a temperature range 4 – 450 K. Additional sample environment options include high
pressures up to 2 GPa, electric fields (voltages up to 300 V), and magnetic fields up to 1 T. For more information, please contact Huibo Cao (<a href="mailto:caoh@ornl.gov">caoh@ornl.gov</a>) or Bryan Chakoumakos (<a href="mailto:chakoumakobc@ornl.gov">chakoumakobc@ornl.gov</a>).<o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:.75in"><o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:.75in;text-indent:-.5in;mso-list:l0 level1 lfo1">
<![if !supportLists]><span style="mso-list:Ignore">(vii)<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>CG-4C: cold triple axis spectrometer. This instrument is designed for inelastic measurements on single crystals, where low energy transfers between -2 to 5 meV are necessary. These measurements can be done at a variety of different temperatures
(0.03 K – 1800 K) and magnetic fields (0 – 11 T). We have successfully completed commissioning of a new analyzer with fixed vertical focusing. The geometry in the horizontal direction can be either flat or focused. This allows one to have the flexibility of
sacrificing Q-resolution for additional intensity. For more information, please contact Tao Hong (<a href="mailto:hongt@ornl.gov">hongt@ornl.gov</a>) or Adam Aczel (<a href="mailto:aczelaa@ornl.gov">aczelaa@ornl.gov</a>).<o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:.75in"><o:p> </o:p></p>
<p class="MsoNormal">More details for all of these instruments can be found at the following link:<o:p></o:p></p>
<p class="MsoNormal"><a href="http://neutrons.ornl.gov/instruments/HFIR/">http://neutrons.ornl.gov/instruments/HFIR/</a> <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">We look forward to receiving your neutron proposals this spring, before the April 8th deadline.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Regards, <o:p></o:p></p>
<p class="MsoNormal">The Quantum Condensed Matter Instrument Team at the HFIR<o:p></o:p></p>
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