About: Low-temperature magnetic properties of greigite (Fe3S4)     Goto   Sponge   NotDistinct   Permalink

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Description
  • Stanovení komplexních nízkoteplotních charakteristik greigitu (Fe3S4) v rozsahu od superparamagentického (SP) do multidoménového (MD) stavu. Nízkoteplotní demagnetizace u pseudo-jednodoménového(PSD)/MD greigitu závisí na velikosti zrn, s hrubší zrnitostí dochází k významnému snížení remanence. Měření susceptibility AC indikuje shodné blokující teploty (TB) pro syntetický i přírodní greigit, které pravděpodobně souvisí s oxydací sulfidů. Nízkoteplotní magnetické analýzy poskytují daleko více informací o magneto-mineralogii a doménovém stavu než měření při pokojové teplotě a tím i možné rozlišení jednotlivých komponent uvnitř smíšeného magneto-mineralogického složení. (cs)
  • We provide comprehensive low-temperature magnetic results for greigite (Fe3S4) across the spectrum from superparamagnetic (SP) to multidomain (MD) behavior. The low-temperature demagnetization is grain size dependent for PSD/MD greigite, with coarser grains undergoing larger remanence loss. AC susceptibility measurements indicate consistent blocking temperatures (TB) for all synthetic and natural greigite samples, which are probably associated with surficial oxidation. Low-temperature magnetic analysis provides much more information about magnetic mineralogy and domain state than room temperature measurements and enables discrimination of individual components within mixed magnetic mineral assemblages.
  • We provide comprehensive low-temperature magnetic results for greigite (Fe3S4) across the spectrum from superparamagnetic (SP) to multidomain (MD) behavior. The low-temperature demagnetization is grain size dependent for PSD/MD greigite, with coarser grains undergoing larger remanence loss. AC susceptibility measurements indicate consistent blocking temperatures (TB) for all synthetic and natural greigite samples, which are probably associated with surficial oxidation. Low-temperature magnetic analysis provides much more information about magnetic mineralogy and domain state than room temperature measurements and enables discrimination of individual components within mixed magnetic mineral assemblages. (en)
Title
  • Low-temperature magnetic properties of greigite (Fe3S4)
  • Low-temperature magnetic properties of greigite (Fe3S4) (en)
  • Nízkoteplotní magnetické vlastnosti greigitu Fe3S4 (cs)
skos:prefLabel
  • Low-temperature magnetic properties of greigite (Fe3S4)
  • Low-temperature magnetic properties of greigite (Fe3S4) (en)
  • Nízkoteplotní magnetické vlastnosti greigitu Fe3S4 (cs)
skos:notation
  • RIV/67985831:_____/09:00324023!RIV09-AV0-67985831
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(AV0Z30130516)
http://linked.open...iv/cisloPeriodika
  • JAN 29
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 324208
http://linked.open...ai/riv/idVysledku
  • RIV/67985831:_____/09:00324023
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • greigite; domain state; low-temperature magnetic properties; marine-sediments; rock magnetism; paleomagnetism (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [227C24DB82D0]
http://linked.open...i/riv/nazevZdroje
  • Geochemistry, Geophysics, Geosystems: an electronic journal of the earth sciences
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 10
http://linked.open...iv/tvurceVysledku
  • Pruner, Petr
  • Chang, L.
  • Chen, Q.
  • Horng, C. S.
  • Roberts, A. P.
  • Rowan, Ch. J.
  • Tang, Y.
http://linked.open...ain/vavai/riv/wos
  • 000262981300002
http://linked.open...n/vavai/riv/zamer
issn
  • 1525-2027
number of pages
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