Effect of pressure on the magnetic phase diagram of the antiferromagnetic spin-density-wave alloy Cr-1.6% Si

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A neutron diffraction experiment has been performed to study the effects of high pressure on the magnetic phase diagram of a single crystal specimen of Cr-1.6%Si. At applied pressures up to 0.49 GPa there are two clear transitions. At T{sub NC} there is a transition from a paramagnetic (P) to a commensurate spin density wave (CSDW), while at lower temperatures there is a transition to a mixed state where the CSDW seems to coexist with an incommensurate SDW (ISDW) state. T{sub NC} decreases with the application of pressure while the transition temperature T{sub CI} to the mixed C-I state seems ... continued below

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10 p.

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Fernandez-Baca, J.A.; Fawcett, E.; Alberts, H.L.; Galkin, V.Yu. & Endoh, Y. December 31, 1996.

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Description

A neutron diffraction experiment has been performed to study the effects of high pressure on the magnetic phase diagram of a single crystal specimen of Cr-1.6%Si. At applied pressures up to 0.49 GPa there are two clear transitions. At T{sub NC} there is a transition from a paramagnetic (P) to a commensurate spin density wave (CSDW), while at lower temperatures there is a transition to a mixed state where the CSDW seems to coexist with an incommensurate SDW (ISDW) state. T{sub NC} decreases with the application of pressure while the transition temperature T{sub CI} to the mixed C-I state seems to be insensitive to pressure. At 0.69 GPa the ISDW state disappears while the P-C transition changes drastically.

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10 p.

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OSTI as DE97001650

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  • 41. annual conference on magnetism and magnetic materials, Atlanta, GA (United States), 12-15 Nov 1996

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  • Other: DE97001650
  • Report No.: CONF-961141--7
  • Grant Number: AC05-96OR22464
  • DOI: 10.2172/425297 | External Link
  • Office of Scientific & Technical Information Report Number: 425297
  • Archival Resource Key: ark:/67531/metadc675582

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  • December 31, 1996

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • Jan. 19, 2016, 12:58 p.m.

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Fernandez-Baca, J.A.; Fawcett, E.; Alberts, H.L.; Galkin, V.Yu. & Endoh, Y. Effect of pressure on the magnetic phase diagram of the antiferromagnetic spin-density-wave alloy Cr-1.6% Si, report, December 31, 1996; Tennessee. (digital.library.unt.edu/ark:/67531/metadc675582/: accessed September 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.