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- Publisher Website: 10.1016/j.rinp.2019.102427
- Scopus: eid_2-s2.0-85067845607
- WOS: WOS:000485104100042
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Article: A high dielectric permittivity and strong Ba-vacancy defects of (Ba1– x Smx )(Ti1–( x –0.01) Cox –0.01 )O3 ceramic
Title | A high dielectric permittivity and strong Ba-vacancy defects of (Ba<inf>1–</inf><inf>x</inf>Sm<inf>x</inf>)(Ti<inf>1–(</inf><inf>x</inf><inf>–0.01)</inf>Co<inf>x</inf><inf>–0.01</inf>)O<inf>3</inf> ceramic |
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Authors | |
Keywords | Amphoteric Ceramics Defects Dielectrics Valence-variable |
Issue Date | 2019 |
Citation | Results in Physics, 2019, v. 14, article no. 102427 How to Cite? |
Abstract | (Ba1–xSmx)(Ti1–xCox)O3, (Ba1–xSmx)(Ti1–(x–0.01)Cox–0.01)O3 and Ba(Ti1−xCox)O3 ceramics were synthesized using a traditional solid-state based method. All series of ceramics have a structural evolution. Sm3+ as donors into Ba2+ sites could suppress the formation of hexagonal phase effectively and improve dielectric properties. Particularly a cubic ceramic (Ba1–xSmx)(Ti1–(x–0.01)Cox–0.01)O3 with x = 0.05 met the EIA Y5V specification with a higher room-temperature dielectric permittivity (ε′RT = 3955). A stronger EPR signal (g = 1.974) was attributed to ionized Ba-vacancy (VBa′′), was surprisingly observed in (Ba1–xSmx)(Ti1–(x–0.01)Cox–0.01)O3 (Ba/Ti > 1), which is extremely rare among rare-earth-doped BaTiO3 ceramics, suggests that Sm3+ ions behaved with an amphoteric nature. Interest was paid to analyze defect chemistry associated with amphoteric Sm ions and valence-variable Co ions (3+ and 4+). |
Persistent Identifier | http://hdl.handle.net/10722/335833 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Han, Dan dan | - |
dc.contributor.author | Wu, Sha | - |
dc.contributor.author | Wang, Chang hao | - |
dc.contributor.author | Lu, Da yong | - |
dc.contributor.author | Meng, Fan ling | - |
dc.date.accessioned | 2023-12-28T08:49:05Z | - |
dc.date.available | 2023-12-28T08:49:05Z | - |
dc.date.issued | 2019 | - |
dc.identifier.citation | Results in Physics, 2019, v. 14, article no. 102427 | - |
dc.identifier.uri | http://hdl.handle.net/10722/335833 | - |
dc.description.abstract | (Ba1–xSmx)(Ti1–xCox)O3, (Ba1–xSmx)(Ti1–(x–0.01)Cox–0.01)O3 and Ba(Ti1−xCox)O3 ceramics were synthesized using a traditional solid-state based method. All series of ceramics have a structural evolution. Sm3+ as donors into Ba2+ sites could suppress the formation of hexagonal phase effectively and improve dielectric properties. Particularly a cubic ceramic (Ba1–xSmx)(Ti1–(x–0.01)Cox–0.01)O3 with x = 0.05 met the EIA Y5V specification with a higher room-temperature dielectric permittivity (ε′RT = 3955). A stronger EPR signal (g = 1.974) was attributed to ionized Ba-vacancy (VBa′′), was surprisingly observed in (Ba1–xSmx)(Ti1–(x–0.01)Cox–0.01)O3 (Ba/Ti > 1), which is extremely rare among rare-earth-doped BaTiO3 ceramics, suggests that Sm3+ ions behaved with an amphoteric nature. Interest was paid to analyze defect chemistry associated with amphoteric Sm ions and valence-variable Co ions (3+ and 4+). | - |
dc.language | eng | - |
dc.relation.ispartof | Results in Physics | - |
dc.subject | Amphoteric | - |
dc.subject | Ceramics | - |
dc.subject | Defects | - |
dc.subject | Dielectrics | - |
dc.subject | Valence-variable | - |
dc.title | A high dielectric permittivity and strong Ba-vacancy defects of (Ba<inf>1–</inf><inf>x</inf>Sm<inf>x</inf>)(Ti<inf>1–(</inf><inf>x</inf><inf>–0.01)</inf>Co<inf>x</inf><inf>–0.01</inf>)O<inf>3</inf> ceramic | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1016/j.rinp.2019.102427 | - |
dc.identifier.scopus | eid_2-s2.0-85067845607 | - |
dc.identifier.volume | 14 | - |
dc.identifier.spage | article no. 102427 | - |
dc.identifier.epage | article no. 102427 | - |
dc.identifier.eissn | 2211-3797 | - |
dc.identifier.isi | WOS:000485104100042 | - |