{"id":8346,"date":"2016-11-15T15:21:50","date_gmt":"2016-11-15T15:21:50","guid":{"rendered":"http:\/\/vps468643.ovh.net\/?p=8346"},"modified":"2016-11-15T15:58:10","modified_gmt":"2016-11-15T15:58:10","slug":"magnetostriction-driven-ground-state-stabilization-in-2h-perovskites-2","status":"publish","type":"post","link":"https:\/\/senngroup.com\/magnetostriction-driven-ground-state-stabilization-in-2h-perovskites-2\/","title":{"rendered":"Magnetostriction-driven ground-state stabilization in 2H perovskites"},"content":{"rendered":"

D. G. Porter, M. S. Senn, D. D. Khalyavin, A. Cortese, N. Waterfield-Price, P. G. Radaelli, P. Manuel, H.-C. zur-Loye, C. Mazzoli, and A. Bombardi<\/a><\/p>\n

The magnetic ground state of Sr<\/span>3<\/span><\/span>A<\/span>RuO<\/span>6<\/span> <\/span><\/span><\/span> <\/span><\/span> <\/span>, with A<\/span>=<\/span><\/span>(<\/span>Li<\/span>,<\/span>Na<\/span>)<\/span><\/span><\/span> <\/span><\/span> <\/span>, is studied using neutron diffraction, resonant x-ray scattering, and laboratory characterization measurements of high-quality crystals. Combining these results allows us to observe the onset of long-range magnetic order and distinguish the symmetrically allowed magnetic models, identifying in-plane antiferromagnetic moments and a small ferromagnetic component along the c<\/span><\/span> <\/span><\/span> <\/span> axis. While the existence of magnetic domains masks the particular in-plane direction of the moments, it has been possible to elucidate the ground state using symmetry considerations. We find that due to the lack of local anisotropy, antisymmetric exchange interactions control the magnetic order, first through structural distortions that couple to in-plane antiferromagnetic moments and second through a high-order magnetoelastic coupling that lifts the degeneracy of the in-plane moments. The symmetry considerations used to rationalize the magnetic ground state are very general and will apply to many systems in this family, such as Ca<\/span>3<\/span><\/span>A<\/span>RuO<\/span> 6<\/span> <\/span><\/span><\/span> <\/span><\/span> <\/span>, with A<\/span>=<\/span><\/span>(<\/span>Li<\/span>,<\/span>Na<\/span>)<\/span><\/span><\/span> <\/span><\/span> <\/span>, and Ca<\/span>3<\/span><\/span>LiOsO<\/span>6<\/span> <\/span><\/span><\/span> <\/span><\/span> <\/span> whose magnetic ground states are still not completely understood.<\/p>\n","protected":false},"excerpt":{"rendered":"

D. G. Porter, M. S. Senn, D. D. Khalyavin, A. Cortese, N. Waterfield-Price, P. G. Radaelli, P. Manuel, H.-C. zur-Loye, C. Mazzoli, and A. Bombardi The magnetic ground state of
Read more<\/a><\/p>\n","protected":false},"author":2,"featured_media":8267,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[64],"tags":[],"acf":[],"yoast_head":"\nMagnetostriction-driven ground-state stabilization in 2H perovskites - SENN GROUP<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/senngroup.com\/magnetostriction-driven-ground-state-stabilization-in-2h-perovskites-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Magnetostriction-driven ground-state stabilization in 2H perovskites - SENN GROUP\" \/>\n<meta property=\"og:description\" content=\"D. G. Porter, M. S. Senn, D. D. Khalyavin, A. Cortese, N. 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