NMR Study of Quasicrystal Al_<70>Pd_<20>T_<M10> Alloy (T_M : Cr, Mn, Fe and Co)
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概要
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^<27>Al-, ^<55>Mn- and ^<59>Co-NMR measurements have been made on quasicrytalline phases of the Al_<70>Pd_<20>T_<M10> alloy (T_M : Cr, Mn, Fe and Co) in the temperature range between 5K and room temperature. There is no marked temperature dependence on peak shift and line width of either ^<27>Al- or ^<59>Co- NMR spectra except ^<27>Al- and ^<55>Mn- spectra in the Al_<70>Pd_<20>Mn_<10>. However, the peak shift of these spectra depends upon the constituent transition element. For the Al_<70>Pd_<20>Mn_<10>, the negative ^<27>Al- Knight shift and line broadening at low temperatures indicate that there exist two classes of Mn atoms, magnetic and nonmagnetic ones.
- 東北大学の論文
- 1993-03-29
著者
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SATO Takashi
Institute for Materials Research, Tohoku University
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Shinohara Takeshi
Institute For Materials Research
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