毛慧灿：Neutron Powder Diffraction Study on the Non-Superconducting Phases of ThFeAsN1-xOx（x=0.15,0.6）Iron Pnictide论文

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作者毛慧灿,胡丙锋,夏元华,陈喜平,王操,王志成,曹光旱,李世亮,罗会仟（2019）在《Neutron Powder Diffraction Study on the Non-Superconducting Phases of ThFeAsN1-xOx（x=0.15,0.6）Iron Pnictide》一文中研究指出：We use neutron powder diffraction to study the non-superconducting phases of ThFeAsN1-xOx with x = 0.15,0.6.In our previous results of the superconducting phase ThFeAsN with Tc = 30 K,no magnetic transition is observed by cooling down to 6 K,and possible oxygen occupancy at the nitrogen site is shown in the refinement[Europhys.Lett.117（2017）57005].Here in the oxygen doped system ThFeAsN1-xOx,two superconducting regions（0≤x≤0.1 and 0.25≤x≤0.55）are identified by transport experiments[J.Phys.:Condens.Matter30（2018）255602].However,within the resolution of our neutron powder diffraction experiment,neither the intermediate doping x= 0.15 nor the heavily overdoped compound x = 0.6 shows any magnetic order from 300 K to 4 K.Therefore,while it shares the common phenomenon of two superconducting domes as most 1111-type iron-based superconductors,the magneticall.y ordered parent compound may not exist in this nitride family.

Abstract

We use neutron powder diffraction to study the non-superconducting phases of ThFeAsN1-xOx with x = 0.15,0.6.In our previous results of the superconducting phase ThFeAsN with Tc = 30 K,no magnetic transition is observed by cooling down to 6 K,and possible oxygen occupancy at the nitrogen site is shown in the refinement[Europhys.Lett.117（2017）57005].Here in the oxygen doped system ThFeAsN1-xOx,two superconducting regions（0≤x≤0.1 and 0.25≤x≤0.55）are identified by transport experiments[J.Phys.:Condens.Matter30（2018）255602].However,within the resolution of our neutron powder diffraction experiment,neither the intermediate doping x= 0.15 nor the heavily overdoped compound x = 0.6 shows any magnetic order from 300 K to 4 K.Therefore,while it shares the common phenomenon of two superconducting domes as most 1111-type iron-based superconductors,the magneticall.y ordered parent compound may not exist in this nitride family.

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论文作者分别是来自Chinese Physics Letters的毛慧灿,胡丙锋,夏元华,陈喜平,王操,王志成,曹光旱,李世亮,罗会仟，发表于刊物Chinese Physics Letters2019年10期论文，是一篇关于,Chinese Physics Letters2019年10期论文的文章。本文可供学术参考使用，各位学者可以免费参考阅读下载，文章观点不代表本站观点，资料来自Chinese Physics Letters2019年10期论文网站，若本站收录的文献无意侵犯了您的著作版权，请联系我们删除。

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