Random-Site Cation Ordering and Dielectric Properties of PbMg1/3Nb2/3o3-PbSc1/2Nb1/2o3
(1-x)PbMg1/3Nb2/3O3-(x)PbSc1/2Nb1/2O3 (PMN-PSN) solid solution crystals have been grown by the flux method in the whole concentration range. X-ray supercell reflections due to B-cation ordering were observed for as-grown crystals from the 0.1 < x < 0.65 compositional range. Though the ordered...
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| creator | Raevski, I. P Prosandeev, S. A Emelyanov, S. M Savenko, F. I Zakharchenko, I. N Bunina, O. A Bogatin, A. S Raevskaya, S. I Gagarina, E. S Sahkar, E. V Jastrabik, L |
| description | (1-x)PbMg1/3Nb2/3O3-(x)PbSc1/2Nb1/2O3 (PMN-PSN) solid solution crystals have
been grown by the flux method in the whole concentration range. X-ray supercell
reflections due to B-cation ordering were observed for as-grown crystals from
the 0.1 < x < 0.65 compositional range. Though the ordered domains are rather
large (~50 nm) the relaxor-like dielectric behavior is observed for
compositions with x < 0.6. The diffusion of the dielectric permittivity maximum
in as-grown crystals is the lowest at x = 0.6 and increases towards the end
members of solid solution. Such behavior is explained within a Bragg-Williams
approach by employing the random layer model. At x ~ 0.6 the excitation energy
determined from the Vogel-Fulcher relation exhibits a jump which we regard to
changing the kind of the polar regions from PbMg1/3Nb2/3O3 to PbSc1/2Nb1/2O3
related type. |
| doi_str_mv | 10.48550/arxiv.cond-mat/0302520 |
| format | Article |
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been grown by the flux method in the whole concentration range. X-ray supercell
reflections due to B-cation ordering were observed for as-grown crystals from
the 0.1 < x < 0.65 compositional range. Though the ordered domains are rather
large (~50 nm) the relaxor-like dielectric behavior is observed for
compositions with x < 0.6. The diffusion of the dielectric permittivity maximum
in as-grown crystals is the lowest at x = 0.6 and increases towards the end
members of solid solution. Such behavior is explained within a Bragg-Williams
approach by employing the random layer model. At x ~ 0.6 the excitation energy
determined from the Vogel-Fulcher relation exhibits a jump which we regard to
changing the kind of the polar regions from PbMg1/3Nb2/3O3 to PbSc1/2Nb1/2O3
related type.</description><identifier>DOI: 10.48550/arxiv.cond-mat/0302520</identifier><language>eng</language><subject>Physics - Materials Science</subject><creationdate>2003-02</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,776,881</link.rule.ids><linktorsrc>$$Uhttps://arxiv.org/abs/cond-mat/0302520$$EView_record_in_Cornell_University$$FView_record_in_$$GCornell_University$$Hfree_for_read</linktorsrc><backlink>$$Uhttps://doi.org/10.48550/arXiv.cond-mat/0302520$$DView paper in arXiv$$Hfree_for_read</backlink></links><search><creatorcontrib>Raevski, I. P</creatorcontrib><creatorcontrib>Prosandeev, S. A</creatorcontrib><creatorcontrib>Emelyanov, S. M</creatorcontrib><creatorcontrib>Savenko, F. I</creatorcontrib><creatorcontrib>Zakharchenko, I. N</creatorcontrib><creatorcontrib>Bunina, O. A</creatorcontrib><creatorcontrib>Bogatin, A. S</creatorcontrib><creatorcontrib>Raevskaya, S. I</creatorcontrib><creatorcontrib>Gagarina, E. S</creatorcontrib><creatorcontrib>Sahkar, E. V</creatorcontrib><creatorcontrib>Jastrabik, L</creatorcontrib><title>Random-Site Cation Ordering and Dielectric Properties of PbMg1/3Nb2/3o3-PbSc1/2Nb1/2o3</title><description>(1-x)PbMg1/3Nb2/3O3-(x)PbSc1/2Nb1/2O3 (PMN-PSN) solid solution crystals have
been grown by the flux method in the whole concentration range. X-ray supercell
reflections due to B-cation ordering were observed for as-grown crystals from
the 0.1 < x < 0.65 compositional range. Though the ordered domains are rather
large (~50 nm) the relaxor-like dielectric behavior is observed for
compositions with x < 0.6. The diffusion of the dielectric permittivity maximum
in as-grown crystals is the lowest at x = 0.6 and increases towards the end
members of solid solution. Such behavior is explained within a Bragg-Williams
approach by employing the random layer model. At x ~ 0.6 the excitation energy
determined from the Vogel-Fulcher relation exhibits a jump which we regard to
changing the kind of the polar regions from PbMg1/3Nb2/3O3 to PbSc1/2Nb1/2O3
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been grown by the flux method in the whole concentration range. X-ray supercell
reflections due to B-cation ordering were observed for as-grown crystals from
the 0.1 < x < 0.65 compositional range. Though the ordered domains are rather
large (~50 nm) the relaxor-like dielectric behavior is observed for
compositions with x < 0.6. The diffusion of the dielectric permittivity maximum
in as-grown crystals is the lowest at x = 0.6 and increases towards the end
members of solid solution. Such behavior is explained within a Bragg-Williams
approach by employing the random layer model. At x ~ 0.6 the excitation energy
determined from the Vogel-Fulcher relation exhibits a jump which we regard to
changing the kind of the polar regions from PbMg1/3Nb2/3O3 to PbSc1/2Nb1/2O3
related type.</abstract><doi>10.48550/arxiv.cond-mat/0302520</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Physics - Materials Science |
| title | Random-Site Cation Ordering and Dielectric Properties of PbMg1/3Nb2/3o3-PbSc1/2Nb1/2o3 |
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