Comparative Raman scattering study of Ba₃MSb₂O₉ (M=Zn, Co and Cu)
Raman spectroscopy is combined with lattice dynamic calculations to investigate the magnetic and structural properties of the 6H-perovskite compounds Ba₃MSb₂O₉ (M = Zn, Co and Cu). Unlike the nonmagnetic Ba₃ZnSb₂O₉ compound, the magnetic counterparts Ba₃MSb₂O₉ (M = Co and Cu) show both lattice anoma...
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| Дата: | 2017 |
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| Автори: | , , , |
| Формат: | Стаття |
| Мова: | English |
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Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2017
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| Назва видання: | Физика низких температур |
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| Онлайн доступ: | http://dspace.nbuv.gov.ua/handle/123456789/129491 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | Comparative Raman scattering study of Ba₃MSb₂O₉ (M=Zn, Co and Cu) / A. Glamazda, P. Lemmens, S.-H. Do, K.-Y. Choi // Физика низких температур. — 2017. — Т. 43, № 5. — С. 683-691. — Бібліогр.: 22 назв. — англ. |
Репозитарії
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irk-123456789-1294912018-01-20T03:04:01Z Comparative Raman scattering study of Ba₃MSb₂O₉ (M=Zn, Co and Cu) Glamazda, A. Lemmens, P. Do, S.-H. Choi, K.-Y. К 70-летию со дня рождения С.Л. Гнатченко Raman spectroscopy is combined with lattice dynamic calculations to investigate the magnetic and structural properties of the 6H-perovskite compounds Ba₃MSb₂O₉ (M = Zn, Co and Cu). Unlike the nonmagnetic Ba₃ZnSb₂O₉ compound, the magnetic counterparts Ba₃MSb₂O₉ (M = Co and Cu) show both lattice anomalies for temperatures below 100 K and develop highly correlated spin states below 50 K. This is ascribed to an instability of conventional magnetic excitations for the equilateral triangular antiferromagnet Ba₃CoSb₂O₉ and a coexistence of spin-orbital liquid and random singlet state for the decorated honeycomb compound Ba₃CuSb₂O₉ containing a nearly identical volume fraction of hexagonal and orthorhombic phases. Our results demonstrate that Ba₃MSb₂O₉ provides a rich reservoir for hosting diverse magnetic and structural phases as a function of the metal ion M. 2017 Article Comparative Raman scattering study of Ba₃MSb₂O₉ (M=Zn, Co and Cu) / A. Glamazda, P. Lemmens, S.-H. Do, K.-Y. Choi // Физика низких температур. — 2017. — Т. 43, № 5. — С. 683-691. — Бібліогр.: 22 назв. — англ. 0132-6414 PACS: 63.20.–e, 75.45.+j, 78.30.–j http://dspace.nbuv.gov.ua/handle/123456789/129491 en Физика низких температур Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
| institution |
Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| collection |
DSpace DC |
| language |
English |
| topic |
К 70-летию со дня рождения С.Л. Гнатченко К 70-летию со дня рождения С.Л. Гнатченко |
| spellingShingle |
К 70-летию со дня рождения С.Л. Гнатченко К 70-летию со дня рождения С.Л. Гнатченко Glamazda, A. Lemmens, P. Do, S.-H. Choi, K.-Y. Comparative Raman scattering study of Ba₃MSb₂O₉ (M=Zn, Co and Cu) Физика низких температур |
| description |
Raman spectroscopy is combined with lattice dynamic calculations to investigate the magnetic and structural properties of the 6H-perovskite compounds Ba₃MSb₂O₉ (M = Zn, Co and Cu). Unlike the nonmagnetic Ba₃ZnSb₂O₉ compound, the magnetic counterparts Ba₃MSb₂O₉ (M = Co and Cu) show both lattice anomalies for temperatures below 100 K and develop highly correlated spin states below 50 K. This is ascribed to an instability of conventional magnetic excitations for the equilateral triangular antiferromagnet Ba₃CoSb₂O₉ and a coexistence of spin-orbital liquid and random singlet state for the decorated honeycomb compound Ba₃CuSb₂O₉ containing a nearly identical volume fraction of hexagonal and orthorhombic phases. Our results demonstrate that Ba₃MSb₂O₉ provides a rich reservoir for hosting diverse magnetic and structural phases as a function of the metal ion M. |
| format |
Article |
| author |
Glamazda, A. Lemmens, P. Do, S.-H. Choi, K.-Y. |
| author_facet |
Glamazda, A. Lemmens, P. Do, S.-H. Choi, K.-Y. |
| author_sort |
Glamazda, A. |
| title |
Comparative Raman scattering study of Ba₃MSb₂O₉ (M=Zn, Co and Cu) |
| title_short |
Comparative Raman scattering study of Ba₃MSb₂O₉ (M=Zn, Co and Cu) |
| title_full |
Comparative Raman scattering study of Ba₃MSb₂O₉ (M=Zn, Co and Cu) |
| title_fullStr |
Comparative Raman scattering study of Ba₃MSb₂O₉ (M=Zn, Co and Cu) |
| title_full_unstemmed |
Comparative Raman scattering study of Ba₃MSb₂O₉ (M=Zn, Co and Cu) |
| title_sort |
comparative raman scattering study of ba₃msb₂o₉ (m=zn, co and cu) |
| publisher |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
| publishDate |
2017 |
| topic_facet |
К 70-летию со дня рождения С.Л. Гнатченко |
| url |
http://dspace.nbuv.gov.ua/handle/123456789/129491 |
| citation_txt |
Comparative Raman scattering study of Ba₃MSb₂O₉ (M=Zn, Co and Cu) / A. Glamazda, P. Lemmens, S.-H. Do, K.-Y. Choi // Физика низких температур. — 2017. — Т. 43, № 5. — С. 683-691. — Бібліогр.: 22 назв. — англ. |
| series |
Физика низких температур |
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