Exsolution of SrO during the Topochemical Conversion of LaSr3CoRuO8 to the Oxyhydride LaSr3CoRuO4H4
Reaction of the n = 1 Ruddlesden–Popper oxide LaSr3CoRuO8 with CaH2 yields the oxyhydride phase LaSr3CoRuO4H4 via a topochemical anion exchange. Close inspection of the X-ray and neutron powder diffraction data in combination with HAADF-STEM images reveals that the nanoparticles of SrO are exsolved...
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| Veröffentlicht in: | Inorganic chemistry 2019-11, Vol.58 (21), p.14863-14870 |
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| container_title | Inorganic chemistry |
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| creator | Jin, Lun Batuk, Maria Kirschner, Franziska K. K Lang, Franz Blundell, Stephen J Hadermann, Joke Hayward, Michael A |
| description | Reaction of the n = 1 Ruddlesden–Popper oxide LaSr3CoRuO8 with CaH2 yields the oxyhydride phase LaSr3CoRuO4H4 via a topochemical anion exchange. Close inspection of the X-ray and neutron powder diffraction data in combination with HAADF-STEM images reveals that the nanoparticles of SrO are exsolved from the system during the reaction, with the change in cation stoichiometry accommodated by the inclusion of n > 1 (Co/Ru) n O n+1H2n “perovskite” layers into the Ruddlesden–Popper stacking sequence. This novel pseudotopochemical process offers a new route for the formation of n > 1 Ruddlesden–Popper structured materials. Magnetization data are consistent with a LaSr3Co+Ru2+O4H4 (Co+, d8, S = 1; Ru2+, d6, S = 0) oxidation/spin state combination. Neutron diffraction and μ+SR data show no evidence for long-range magnetic order down to 2 K, suggesting the diamagnetic Ru2+ centers impede the Co–Co magnetic-exchange interactions. |
| doi_str_mv | 10.1021/acs.inorgchem.9b02552 |
| format | Article |
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K ; Lang, Franz ; Blundell, Stephen J ; Hadermann, Joke ; Hayward, Michael A</creator><creatorcontrib>Jin, Lun ; Batuk, Maria ; Kirschner, Franziska K. K ; Lang, Franz ; Blundell, Stephen J ; Hadermann, Joke ; Hayward, Michael A</creatorcontrib><description> Reaction of the n = 1 Ruddlesden–Popper oxide LaSr3CoRuO8 with CaH2 yields the oxyhydride phase LaSr3CoRuO4H4 via a topochemical anion exchange. Close inspection of the X-ray and neutron powder diffraction data in combination with HAADF-STEM images reveals that the nanoparticles of SrO are exsolved from the system during the reaction, with the change in cation stoichiometry accommodated by the inclusion of n > 1 (Co/Ru) n O n+1H2n “perovskite” layers into the Ruddlesden–Popper stacking sequence. This novel pseudotopochemical process offers a new route for the formation of n > 1 Ruddlesden–Popper structured materials. Magnetization data are consistent with a LaSr3Co+Ru2+O4H4 (Co+, d8, S = 1; Ru2+, d6, S = 0) oxidation/spin state combination. 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This novel pseudotopochemical process offers a new route for the formation of n > 1 Ruddlesden–Popper structured materials. Magnetization data are consistent with a LaSr3Co+Ru2+O4H4 (Co+, d8, S = 1; Ru2+, d6, S = 0) oxidation/spin state combination. Neutron diffraction and μ+SR data show no evidence for long-range magnetic order down to 2 K, suggesting the diamagnetic Ru2+ centers impede the Co–Co magnetic-exchange interactions.</description><issn>0020-1669</issn><issn>1520-510X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNpNkE1Lw0AQhhdRsFZ_gpCjl9SZ3c3XUUK1QiFgK3hbtvvRpqTZuptI--9NtYinGeZ9eBkeQu4RJggUH6UKk7p1fq02ZjcpVkCThF6QESYU4gTh45KMAIYd07S4JjchbAGgYDwdETU9BNf0Xe3ayNlo4atI975u11G3MdHS7d2ptFayiUrXfhkfzuRcLjwr3Vtf5VHnfujqcNwcta-1-ZfyGb8lV1Y2wdyd55i8P0-X5SyeVy-v5dM8loyzLlYSNC1Q5VZSy1NVaAArOU0Ml0qBRIY5NdKspM0w0zpFla7yDNFQa3Nu2Zg8_PbuvfvsTejErg7KNI1sjeuDoAxyLGiW8wHFX3RwJ7au9-3wmEAQJ6HidPwTKs5C2TfvfG3T</recordid><startdate>20191104</startdate><enddate>20191104</enddate><creator>Jin, Lun</creator><creator>Batuk, Maria</creator><creator>Kirschner, Franziska K. 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K</creatorcontrib><creatorcontrib>Lang, Franz</creatorcontrib><creatorcontrib>Blundell, Stephen J</creatorcontrib><creatorcontrib>Hadermann, Joke</creatorcontrib><creatorcontrib>Hayward, Michael A</creatorcontrib><collection>MEDLINE - Academic</collection><jtitle>Inorganic chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jin, Lun</au><au>Batuk, Maria</au><au>Kirschner, Franziska K. K</au><au>Lang, Franz</au><au>Blundell, Stephen J</au><au>Hadermann, Joke</au><au>Hayward, Michael A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Exsolution of SrO during the Topochemical Conversion of LaSr3CoRuO8 to the Oxyhydride LaSr3CoRuO4H4</atitle><jtitle>Inorganic chemistry</jtitle><addtitle>Inorg. Chem</addtitle><date>2019-11-04</date><risdate>2019</risdate><volume>58</volume><issue>21</issue><spage>14863</spage><epage>14870</epage><pages>14863-14870</pages><issn>0020-1669</issn><eissn>1520-510X</eissn><abstract> Reaction of the n = 1 Ruddlesden–Popper oxide LaSr3CoRuO8 with CaH2 yields the oxyhydride phase LaSr3CoRuO4H4 via a topochemical anion exchange. Close inspection of the X-ray and neutron powder diffraction data in combination with HAADF-STEM images reveals that the nanoparticles of SrO are exsolved from the system during the reaction, with the change in cation stoichiometry accommodated by the inclusion of n > 1 (Co/Ru) n O n+1H2n “perovskite” layers into the Ruddlesden–Popper stacking sequence. This novel pseudotopochemical process offers a new route for the formation of n > 1 Ruddlesden–Popper structured materials. Magnetization data are consistent with a LaSr3Co+Ru2+O4H4 (Co+, d8, S = 1; Ru2+, d6, S = 0) oxidation/spin state combination. 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| source | ACS Publications |
| title | Exsolution of SrO during the Topochemical Conversion of LaSr3CoRuO8 to the Oxyhydride LaSr3CoRuO4H4 |
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