X-ray and [gamma]-ray Spectroscopy of Solids Under Pressure. Annual Technical Progress Report, October 1990--October 1993

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Total Pages : 13 pages
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Book Synopsis X-ray and [gamma]-ray Spectroscopy of Solids Under Pressure. Annual Technical Progress Report, October 1990--October 1993 by :

Download or read book X-ray and [gamma]-ray Spectroscopy of Solids Under Pressure. Annual Technical Progress Report, October 1990--October 1993 written by and published by . This book was released on 1993 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: The following studies are described that were either completed during this 3-year period or are well underway: XAFS study of pressure-induced transition in Rb-W bronze (Rb{sub 0.31}WO3); XAFS study of bcc-hcp transition in Fe; XAFS search for valence change in thallium perhenate (TlReO4) at high pressure; XANES analysis of alkali halides; pair potentials in alkali halides studied via EXAFS; EXAFS determination of bond angles in ReO3; XAFS study of mixed-valence transition in SmSe; Moessbauer studies of Fe hydride at high pressure; and Moessbauer and x-ray studies of Fe silicate spinel at high pressure. (DLC).

X-ray and Γ-ray Spectroscopy of Solids Under Pressure. Annual Technical Progress Report, October 1990--October 1993

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Total Pages : 13 pages
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Book Synopsis X-ray and Γ-ray Spectroscopy of Solids Under Pressure. Annual Technical Progress Report, October 1990--October 1993 by :

Download or read book X-ray and Γ-ray Spectroscopy of Solids Under Pressure. Annual Technical Progress Report, October 1990--October 1993 written by and published by . This book was released on 1993 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: The following studies are described that were either completed during this 3-year period or are well underway: XAFS study of pressure-induced transition in Rb-W bronze (Rb{sub 0.31}WO3); XAFS study of bcc-hcp transition in Fe; XAFS search for valence change in thallium perhenate (TlReO4) at high pressure; XANES analysis of alkali halides; pair potentials in alkali halides studied via EXAFS; EXAFS determination of bond angles in ReO3; XAFS study of mixed-valence transition in SmSe; Moessbauer studies of Fe hydride at high pressure; and Moessbauer and x-ray studies of Fe silicate spinel at high pressure. (DLC).

X-ray and Tau-ray Spectroscopy of Solids Under Pressure: Annual Technical Progress Report, November 1993 - October 1994

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Book Synopsis X-ray and Tau-ray Spectroscopy of Solids Under Pressure: Annual Technical Progress Report, November 1993 - October 1994 by :

Download or read book X-ray and Tau-ray Spectroscopy of Solids Under Pressure: Annual Technical Progress Report, November 1993 - October 1994 written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

X-ray and [Gamma]-ray Spectroscopy of Solids Under Pressure. Annual Technical Progress Report, November 1993--October 1994

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Book Synopsis X-ray and [Gamma]-ray Spectroscopy of Solids Under Pressure. Annual Technical Progress Report, November 1993--October 1994 by :

Download or read book X-ray and [Gamma]-ray Spectroscopy of Solids Under Pressure. Annual Technical Progress Report, November 1993--October 1994 written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: During this period, synchrotron beam time (approx. 2 weeks/year) was obtained from the Stanford Synchrotron Radiation Laboratory. The following areas of study are reported: XAFS studies of polyhedral solids (ReO[sub 3], perovskites, rubidium tungsten bronze), Moessbauer study of sodium nitroprusside, XAFS studies of phase transition mechanisms (effects of high pressure on metallic Fe), and multiple scattering analysis of XANES.

X-ray and [Gamma]-ray Spectroscopy of Solids Under Pressure

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Total Pages : 15 pages
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Download or read book X-ray and [Gamma]-ray Spectroscopy of Solids Under Pressure written by and published by . This book was released on 1996 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report briefly describes the studies of various materials at high pressures, in the last three years, by means of x-ray and [gamma]-ray absorption spectroscopy. High pressure provides a very effective means of studying materials. Virtually every property is altered, from the color and crystal structure, to the electrical and magnetic properties. The fundamental reason, of course, is that the quantum levels depend upon the atomic spacing, so that both the electronic and vibrational structure are affected.

Energy Research Abstracts

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Total Pages : 782 pages
Book Rating : 4.3/5 (129 download)

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Download or read book Energy Research Abstracts written by and published by . This book was released on 1995 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt:

X-ray and [gamma]-ray Spectroscopy of Solids Under Pressure. Annual Technical Progress Report, October 1991--October 1992

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Total Pages : 6 pages
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Book Synopsis X-ray and [gamma]-ray Spectroscopy of Solids Under Pressure. Annual Technical Progress Report, October 1991--October 1992 by :

Download or read book X-ray and [gamma]-ray Spectroscopy of Solids Under Pressure. Annual Technical Progress Report, October 1991--October 1992 written by and published by . This book was released on 1992 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effort is divided into the following: high pressure transitions (Fe, RbCl), XAFS studies of perovskites under pressure (ReO3, high-{Tc} superconductors), studies of XANES of alkali halides, and Moessbauer studies (iron silicate spinel).

X-ray And[Gamma]-ray Spectroscopy of Solids Under Pressure. Annual Technical Progress Report, November 1996--October 1997

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Book Synopsis X-ray And[Gamma]-ray Spectroscopy of Solids Under Pressure. Annual Technical Progress Report, November 1996--October 1997 by :

Download or read book X-ray And[Gamma]-ray Spectroscopy of Solids Under Pressure. Annual Technical Progress Report, November 1996--October 1997 written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes our recent synchrotron x-ray absorption fine structure (XAFS) measurements on a number of systems that undergo pressure induced changes in local structure at high pressure. Our general technique is based upon a pressure cell which utilizes scintered boron carbide anvils, since diamond anvils generally produce Bragg glitches which spoil the high quality EXAFS necessary for precision structural measurements. Sample pressure is determined at the beam-line by measuring and analyzing, via XAFS, the compression of some cubic material contained within the sample chamber. Recently we have extended this work to 77 K using helium gas for the applied force, rather than hydraulic oil.

Government Reports Annual Index

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Total Pages : 1300 pages
Book Rating : 4.3/5 (243 download)

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Download or read book Government Reports Annual Index written by and published by . This book was released on 1993 with total page 1300 pages. Available in PDF, EPUB and Kindle. Book excerpt:

X-ray and [Gamma]-ray Spectroscopy of Solids Under Pressure. Technical Progress Report, November 1996--December 1998

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Total Pages : 17 pages
Book Rating : 4.:/5 (871 download)

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Book Synopsis X-ray and [Gamma]-ray Spectroscopy of Solids Under Pressure. Technical Progress Report, November 1996--December 1998 by :

Download or read book X-ray and [Gamma]-ray Spectroscopy of Solids Under Pressure. Technical Progress Report, November 1996--December 1998 written by and published by . This book was released on 1998 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes the recent synchrotron x-ray absorption fine structure (XAFS) measurements on a number of systems that undergo pressure induced changes in local structure at high pressure. The reader should also refer to the accompanying renewal proposal for a more in-depth discussion of the general scope of this program, and its relevance to condensed matter science. The author merely states that the methods here are aimed at using XAFS to probe the various phenomena that are caused by high pressure, especially including various structural, and/or electronic, changes or transitions. The general technique is based upon a pressure cell which utilizes sintered boron carbide anvils, since diamond anvils generally produce Bragg glitches which spoil the high quality XAFS necessary for precision structural measurements. Sample pressure is determined at the beam-line by measuring and analyzing, via XAFS, the compression of some cubic material contained within the sample chamber. Recently, the author has extended this work to 77 K using helium gas for the applied force, rather than hydraulic oil.

Government Reports Announcements & Index

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Total Pages : 712 pages
Book Rating : 4.:/5 (3 download)

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Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1994-10 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt:

X-ray and Gamma-ray Spectroscopy of Solids Under Pressure

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Total Pages : 18 pages
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Download or read book X-ray and Gamma-ray Spectroscopy of Solids Under Pressure written by and published by . This book was released on 2000 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes our recent synchrotrons x-ray absorption fine structure (XAFS) measurements on a number of systems that undergo pressure induced changes in local structure at high pressure. The reader should also refer to the accompanying renewal proposal for a more in-depth discussion of the general scope of this program, and its relevance to condensed matter science. We merely state that the methods here are aimed at using XAFS to probe the various phenomena that are caused by high pressure, especially including various structural, and/or electronic, changes or transitions. Our general technique is based upon a pressure cell which utilizes scintered boron carbide anvils, since diamond anvils generally produce Bragg glitches which spoil the high quality XAFS necessary for precision structural measurements. Sample pressure is determined at the beam-line by measuring and analyzing, via XAFS, the compression of some cubic material contained within the sample chamber. Recently we have extended this work to 77 K using helium gas for the applied force, rather than hydraulic oil. This report period has been productive. The increased flux available at the Stanford Synchrotrons Radiation Laboratory (SSRL) has permitted our going to smaller beams, on the order of 300 pm in diameter, for precision probing of the sample region. At the same time we have received ample amounts of beam time at SSRL, in part because of the high rating of our latest user proposal. We also were invited to share some of the beam time at the National Synchrotron Light Source (NSLS) assigned to the group of our collaborator, E.A. Stern. Below we describe in some detail our recent work. Some of the pending papers are reports on systems that have been under study for some time and have been described in past progress reports and, as such, need not be described again here.

Monthly Catalogue, United States Public Documents

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Total Pages : 1994 pages
Book Rating : 4.:/5 (31 download)

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Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1995 with total page 1994 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific and Technical Aerospace Reports

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ISBN 13 :
Total Pages : 892 pages
Book Rating : 4.:/5 (31 download)

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Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Publications of the National Institute of Standards and Technology ... Catalog

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Total Pages : 1162 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Publications of the National Institute of Standards and Technology ... Catalog by : National Institute of Standards and Technology (U.S.)

Download or read book Publications of the National Institute of Standards and Technology ... Catalog written by National Institute of Standards and Technology (U.S.) and published by . This book was released on 1994 with total page 1162 pages. Available in PDF, EPUB and Kindle. Book excerpt:

INIS Atomindex

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Total Pages : 744 pages
Book Rating : 4.3/5 (243 download)

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Download or read book INIS Atomindex written by and published by . This book was released on 1970 with total page 744 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Monthly Catalog of United States Government Publications

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Total Pages : 854 pages
Book Rating : 4.3/5 (243 download)

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Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1995 with total page 854 pages. Available in PDF, EPUB and Kindle. Book excerpt: