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Interplay between crystalline chirality and magnetic structure in Mn_(1-x)Fe_xSi

机译:Mn_(1-x)Fe_xSi中晶体手性与磁性结构的相互作用

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摘要

X-ray diffraction using synchrotron radiation and polarized neutron small-angle diffraction have been used to evaluate the absolute crystallographic structure and the spin helix chirality of Mn_(1-x)Fe_xSi. Contrary to previous observations we show that left- and right-handed crystals can be found for MnSi and its iron substituted analogs. The structural chirality rigorously determines the magnetic chirality of these compounds: left-(right-)handed crystalline chirality establishes left (right) handedness of the magnetic helix.
机译:使用同步辐射的X射线衍射和极化的中子小角衍射已用于评估Mn_(1-x)Fe_xSi的绝对晶体结构和自旋螺旋手性。与以前的观察相反,我们表明可以找到MnSi及其铁取代类似物的左手和右手晶体。结构手性严格地决定了这些化合物的磁手性:左旋(右旋)晶体手性建立了磁性螺旋的左旋(右旋)性。

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  • 来源
    《Physical review》 |2010年第1期|012408.1-012408.4|共4页
  • 作者单位

    Petersburg Nuclear Physics Institute, Gatchina, 188300 St. Petersburg, Russia;

    Swiss-Norwegian Beamlines, European Synchrotron Radiation Facility, Grenoble 38000, France Geological Faculty, St. Petersburg State University, J 94900 St. Petersburg, Russia;

    Petersburg Nuclear Physics Institute, Gatchina, 188300 St. Petersburg, Russia;

    Swiss-Norwegian Beamlines, European Synchrotron Radiation Facility, Grenoble 38000, France;

    Petersburg Nuclear Physics Institute, Gatchina, 188300 St. Petersburg, Russia;

    Laboratoire Leon Brillouin, 91191 Saclay, France;

    Institut fuer Festkoerperphysik, Forschungszentrum Karlsruhe, D-76021 Karlsruhe, Germany;

    Institut fuer Physik der Kondensierten Materie, Technische Universitaet Braunschweig, 38106 Braunschweig, Germany;

    Institut fuer Physik der Kondensierten Materie, Technische Universitaet Braunschweig, 38106 Braunschweig, Germany;

    Petersburg Nuclear Physics Institute, Gatchina, 188300 St. Petersburg, Russia;

    GKSS Forschungszentrum, 21502 Geesthacht, Germany;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    fe and its alloys;

    机译:铁及其合金;

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