Doping effects of Cr on the physical properties of BaFe1.9−xNi0.1CrxAs2
We present a systematic study on the heavily Cr doped iron pnictides BaFe1.9−xNi0.1CrxAs2 by using elastic neutron scattering, high-resolution synchrotron x-ray diffraction (XRD), resistivity, and Hall transport measurements. When the Cr concentration increases from x=0 to 0.8, neutron diffraction e...
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creator | Gong, Dongliang Xie, Tao Zhang, Rui Birk, Jonas Niedermayer, Christof Han, Fei Lapidus, S H Dai, Pengcheng Li, Shiliang Luo, Huiqian |
description | We present a systematic study on the heavily Cr doped iron pnictides BaFe1.9−xNi0.1CrxAs2 by using elastic neutron scattering, high-resolution synchrotron x-ray diffraction (XRD), resistivity, and Hall transport measurements. When the Cr concentration increases from x=0 to 0.8, neutron diffraction experiments suggest that the collinear antiferromagnetism persists in the whole doping range, where the Néel temperature TN coincides with the tetragonal-to-orthorhombic structural transition temperature Ts, and both of them keeps around 35 K. The magnetic ordered moment, on the other hand, increases within increasing x until x=0.5, and then decreases with further increasing x. Detailed refinement of the powder XRD patterns reveals that the Cr substitutions actually stretch the FeAs4 tetrahedron along the c axis and lift the arsenic height away from the Fe-Fe plane. Transport results indicate that the charge carriers become more localized upon Cr doping, then changes from electron type to hole type around x=0.5. Our results suggest that the ordered moment and the ordered temperature of static magnetism in iron pnictides can be decoupled and tuned separately by chemical doping. |
doi_str_mv | 10.1103/PhysRevB.98.014512 |
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(ANL), Argonne, IL (United States)</creatorcontrib><description>We present a systematic study on the heavily Cr doped iron pnictides BaFe1.9−xNi0.1CrxAs2 by using elastic neutron scattering, high-resolution synchrotron x-ray diffraction (XRD), resistivity, and Hall transport measurements. When the Cr concentration increases from x=0 to 0.8, neutron diffraction experiments suggest that the collinear antiferromagnetism persists in the whole doping range, where the Néel temperature TN coincides with the tetragonal-to-orthorhombic structural transition temperature Ts, and both of them keeps around 35 K. The magnetic ordered moment, on the other hand, increases within increasing x until x=0.5, and then decreases with further increasing x. Detailed refinement of the powder XRD patterns reveals that the Cr substitutions actually stretch the FeAs4 tetrahedron along the c axis and lift the arsenic height away from the Fe-Fe plane. Transport results indicate that the charge carriers become more localized upon Cr doping, then changes from electron type to hole type around x=0.5. Our results suggest that the ordered moment and the ordered temperature of static magnetism in iron pnictides can be decoupled and tuned separately by chemical doping.</description><identifier>ISSN: 2469-9950</identifier><identifier>EISSN: 2469-9969</identifier><identifier>DOI: 10.1103/PhysRevB.98.014512</identifier><language>eng</language><publisher>College Park: American Physical Society</publisher><subject>Antiferromagnetism ; Arsenic ; Current carriers ; Doping ; Elastic scattering ; Group 5A compounds ; Iron ; Magnetism ; Neutron diffraction ; Neutron scattering ; Neutrons ; Organic chemistry ; Physical properties ; Synchrotron radiation ; Transition temperature ; Transport ; X-ray diffraction</subject><ispartof>Physical review. B, 2018-07, Vol.98 (1)</ispartof><rights>Copyright American Physical Society Jul 1, 2018</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c259t-5c2b351df1c8a48d278c0b75ea800eee24f345bc750516a755e00d6f2bed5caa3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,27924,27925</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/1467651$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Gong, Dongliang</creatorcontrib><creatorcontrib>Xie, Tao</creatorcontrib><creatorcontrib>Zhang, Rui</creatorcontrib><creatorcontrib>Birk, Jonas</creatorcontrib><creatorcontrib>Niedermayer, Christof</creatorcontrib><creatorcontrib>Han, Fei</creatorcontrib><creatorcontrib>Lapidus, S H</creatorcontrib><creatorcontrib>Dai, Pengcheng</creatorcontrib><creatorcontrib>Li, Shiliang</creatorcontrib><creatorcontrib>Luo, Huiqian</creatorcontrib><creatorcontrib>Argonne National Lab. (ANL), Argonne, IL (United States)</creatorcontrib><title>Doping effects of Cr on the physical properties of BaFe1.9−xNi0.1CrxAs2</title><title>Physical review. B</title><description>We present a systematic study on the heavily Cr doped iron pnictides BaFe1.9−xNi0.1CrxAs2 by using elastic neutron scattering, high-resolution synchrotron x-ray diffraction (XRD), resistivity, and Hall transport measurements. When the Cr concentration increases from x=0 to 0.8, neutron diffraction experiments suggest that the collinear antiferromagnetism persists in the whole doping range, where the Néel temperature TN coincides with the tetragonal-to-orthorhombic structural transition temperature Ts, and both of them keeps around 35 K. The magnetic ordered moment, on the other hand, increases within increasing x until x=0.5, and then decreases with further increasing x. Detailed refinement of the powder XRD patterns reveals that the Cr substitutions actually stretch the FeAs4 tetrahedron along the c axis and lift the arsenic height away from the Fe-Fe plane. Transport results indicate that the charge carriers become more localized upon Cr doping, then changes from electron type to hole type around x=0.5. Our results suggest that the ordered moment and the ordered temperature of static magnetism in iron pnictides can be decoupled and tuned separately by chemical doping.</description><subject>Antiferromagnetism</subject><subject>Arsenic</subject><subject>Current carriers</subject><subject>Doping</subject><subject>Elastic scattering</subject><subject>Group 5A compounds</subject><subject>Iron</subject><subject>Magnetism</subject><subject>Neutron diffraction</subject><subject>Neutron scattering</subject><subject>Neutrons</subject><subject>Organic chemistry</subject><subject>Physical properties</subject><subject>Synchrotron radiation</subject><subject>Transition temperature</subject><subject>Transport</subject><subject>X-ray diffraction</subject><issn>2469-9950</issn><issn>2469-9969</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNo9jsFKw0AURQdRsNT-gKug68T3JjOTzLKNVgtFRXQdJpM3JqUkMZNK_QPXfqJfYrDi6t7F4XAYO0eIECG-eqw-_BO9LyKdRoBCIj9iEy6UDrVW-vj_SzhlM-83AIAKdAJ6wlbXbVc3rwE5R3bwQeuCrA_aJhgqCrpRXFuzDbq-7agfavoFFmZJGOnvz6_9fT02ZP1-7vkZO3Fm62n2t1P2srx5zu7C9cPtKpuvQ8ulHkJpeRFLLB3a1Ii05ElqoUgkmRSAiLhwsZCFTSRIVCaRkgBK5XhBpbTGxFN2cfC2fqhzb-uBbGXbphn7cxQqURJH6PIAjeVvO_JDvml3fTN25Ry50ijSlMc_lNZb_w</recordid><startdate>20180718</startdate><enddate>20180718</enddate><creator>Gong, Dongliang</creator><creator>Xie, Tao</creator><creator>Zhang, Rui</creator><creator>Birk, Jonas</creator><creator>Niedermayer, Christof</creator><creator>Han, Fei</creator><creator>Lapidus, S H</creator><creator>Dai, Pengcheng</creator><creator>Li, Shiliang</creator><creator>Luo, Huiqian</creator><general>American Physical Society</general><general>American Physical Society (APS)</general><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>H8D</scope><scope>JG9</scope><scope>L7M</scope><scope>OTOTI</scope></search><sort><creationdate>20180718</creationdate><title>Doping effects of Cr on the physical properties of BaFe1.9−xNi0.1CrxAs2</title><author>Gong, Dongliang ; Xie, Tao ; Zhang, Rui ; Birk, Jonas ; Niedermayer, Christof ; Han, Fei ; Lapidus, S H ; Dai, Pengcheng ; Li, Shiliang ; Luo, Huiqian</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c259t-5c2b351df1c8a48d278c0b75ea800eee24f345bc750516a755e00d6f2bed5caa3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Antiferromagnetism</topic><topic>Arsenic</topic><topic>Current carriers</topic><topic>Doping</topic><topic>Elastic scattering</topic><topic>Group 5A compounds</topic><topic>Iron</topic><topic>Magnetism</topic><topic>Neutron diffraction</topic><topic>Neutron scattering</topic><topic>Neutrons</topic><topic>Organic chemistry</topic><topic>Physical properties</topic><topic>Synchrotron radiation</topic><topic>Transition temperature</topic><topic>Transport</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gong, Dongliang</creatorcontrib><creatorcontrib>Xie, Tao</creatorcontrib><creatorcontrib>Zhang, Rui</creatorcontrib><creatorcontrib>Birk, Jonas</creatorcontrib><creatorcontrib>Niedermayer, Christof</creatorcontrib><creatorcontrib>Han, Fei</creatorcontrib><creatorcontrib>Lapidus, S H</creatorcontrib><creatorcontrib>Dai, Pengcheng</creatorcontrib><creatorcontrib>Li, Shiliang</creatorcontrib><creatorcontrib>Luo, Huiqian</creatorcontrib><creatorcontrib>Argonne National Lab. (ANL), Argonne, IL (United States)</creatorcontrib><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>Physical review. B</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gong, Dongliang</au><au>Xie, Tao</au><au>Zhang, Rui</au><au>Birk, Jonas</au><au>Niedermayer, Christof</au><au>Han, Fei</au><au>Lapidus, S H</au><au>Dai, Pengcheng</au><au>Li, Shiliang</au><au>Luo, Huiqian</au><aucorp>Argonne National Lab. (ANL), Argonne, IL (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Doping effects of Cr on the physical properties of BaFe1.9−xNi0.1CrxAs2</atitle><jtitle>Physical review. B</jtitle><date>2018-07-18</date><risdate>2018</risdate><volume>98</volume><issue>1</issue><issn>2469-9950</issn><eissn>2469-9969</eissn><abstract>We present a systematic study on the heavily Cr doped iron pnictides BaFe1.9−xNi0.1CrxAs2 by using elastic neutron scattering, high-resolution synchrotron x-ray diffraction (XRD), resistivity, and Hall transport measurements. When the Cr concentration increases from x=0 to 0.8, neutron diffraction experiments suggest that the collinear antiferromagnetism persists in the whole doping range, where the Néel temperature TN coincides with the tetragonal-to-orthorhombic structural transition temperature Ts, and both of them keeps around 35 K. The magnetic ordered moment, on the other hand, increases within increasing x until x=0.5, and then decreases with further increasing x. Detailed refinement of the powder XRD patterns reveals that the Cr substitutions actually stretch the FeAs4 tetrahedron along the c axis and lift the arsenic height away from the Fe-Fe plane. Transport results indicate that the charge carriers become more localized upon Cr doping, then changes from electron type to hole type around x=0.5. Our results suggest that the ordered moment and the ordered temperature of static magnetism in iron pnictides can be decoupled and tuned separately by chemical doping.</abstract><cop>College Park</cop><pub>American Physical Society</pub><doi>10.1103/PhysRevB.98.014512</doi><oa>free_for_read</oa></addata></record> |
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subjects | Antiferromagnetism Arsenic Current carriers Doping Elastic scattering Group 5A compounds Iron Magnetism Neutron diffraction Neutron scattering Neutrons Organic chemistry Physical properties Synchrotron radiation Transition temperature Transport X-ray diffraction |
title | Doping effects of Cr on the physical properties of BaFe1.9−xNi0.1CrxAs2 |
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