COMPRES Fifth Annual Meeting • Identify and broaden the EAR Identify and broaden the EAR neutron scattering community in neutron scattering community in the U.S. the U.S. • Stimulate and promote the use of Stimulate and promote the use of neutron scattering in the Earth neutron scattering in the Earth Sciences. Sciences. • Support educational activities Support educational activities • Identify needs of the community, Identify needs of the community, including future requirements including future requirements for instrumentation and sources for instrumentation and sources COMPRES Neutron COMPRES Neutron Initiative: Initiative:
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COMPRES Fifth Annual Meeting Identify and broaden the EAR neutron scattering community in the U.S.Identify and broaden the EAR neutron scattering community.
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COMPRES Fifth Annual Meeting
• Identify and broaden the EAR neutron Identify and broaden the EAR neutron scattering community in the U.S.scattering community in the U.S.
• Stimulate and promote the use of Stimulate and promote the use of neutron scattering in the Earth neutron scattering in the Earth Sciences.Sciences.
• Support educational activities Support educational activities • Identify needs of the community, Identify needs of the community,
including future requirements for including future requirements for instrumentation and sourcesinstrumentation and sources
• Financial assistance tFinancial assistance to carry out neutron scattering experiments and/or to participate in workshops and conferences on neutron scattering
• H. Sitepu: design and carry out high-H. Sitepu: design and carry out high-P,T neutron experiments P,T neutron experiments
• Build user community by assisting Build user community by assisting members of community with members of community with experimentsexperiments
• Community informed about upcoming Community informed about upcoming neutron workshops, conferences, neutron workshops, conferences, deadlines for proposals, etc.deadlines for proposals, etc.
• Education materials available on Education materials available on www.vt.edu/compreswww.vt.edu/compres
• “High-pressure neutron diffraction study of AlOOD” (ISIS) - C. Vanpeteghem, H. Sitepu (VT) and E. Ohtani, S. Asami
• “Feasibility high pressure study of lithium aluminum deuteride [LiAlD4] and calcite [CaCO3]” using a PE cell on HIPD at LANSCE – H. Sitepu, A. Llobet Megias, and Y. Zhao
• “Investigation of Mg-Al site disorder in shocked MgAl2O4 spinel using neutron diffraction“ (ISIS) O. Tschauner (UNLV), H. Sitepu (VT), P. Asimow and T.J. Ahrens (Cal Tech).
• “Quantitative texture analysis of deformed natural quartz vein from the Torridon area of NW Scotland using neutron diffraction” (FRM-II) R.D. Law (VT), H. Sitepu (VT) and Prof. H.-G. Brokmeier (Tech. Univ. Clausthal).
• “Compressibility of layered molybdite (MoO3) powders determine from neutron diffraction studies at high pressure” (LLB) H. Sitepu (VT) and Dr. I. Goncharenko (LLB).
Recent projects:Recent projects:
Neutron Initiative in Compres II?Neutron Initiative in Compres II?
• Travel support will continue – to be administered by COMPRES Central
• Form high-pressure neutron “task-force” made up members of the COMPRES community, experienced neutron researchers and representatives from neutron facilities(i) form high-pressure neutron network for exchange of information between high-pressure neutron facilities within the United States (LANSCE, IPNS, HIFR, SNS) and from around the world (ISIS, ILL, J-PARC) (ii) identify community needs and nurture infrastructure development projects and / or grand challenges as(iii) target, where appropriate, additional resources through which to leverage COMPRES funds
New projects such as . . . • Temperature measurement using neutron reasonance
spectroscopy (synergy with high P-T calibration effort)
• Software development for on-line / off-line evaluation and processing of data (synergy with CEAD)
M. Dove, Y. Le Godec, S.A.T. Redfern, W.G. Marshall, H.J. Stone, M.G. Tucker,
High P-T cells for community?
• Paris-Edinburgh cell
• Modified P-E cell with belt design (Dobson, 2005)
• Panoramic cell • or ???
200 m
m
MSA Short Course:NEUTRON SCATTERING IN
EARTH SCIENCES
• December 7th and 8th, 2006 http://www.minsocam.org/msa/sc/