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1. Identity statement
Reference TypeJournal Article
Sitemtc-m21b.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identifier8JMKD3MGP3W34P/3NCN2NP
Repositorysid.inpe.br/mtc-m21b/2017/02.17.14.41   (restricted access)
Last Update2017:02.17.14.41.26 (UTC) simone
Metadata Repositorysid.inpe.br/mtc-m21b/2017/02.17.14.41.26
Metadata Last Update2018:06.04.02.41.52 (UTC) administrator
ISSN0272-8842
Citation KeyRodriguesCasPizCorHer:2016:StOrDi
TitleStructural ordering and dielectric properties of Ba3CaNb2O9-based microwave ceramics
Year2016
Access Date2024, May 14
Type of Workjournal article
Secondary TypePRE PI
Number of Files1
Size1933 KiB
2. Context
Author1 Rodrigues, J. E. F. S.
2 Castro, Pedro José de
3 Pizani, P. S.
4 Correr, W. R.
5 Hernandes, A. C.
Resume Identifier1
2 8JMKD3MGP5W/3C9JJ44
Group1
2 LAP-CTE-INPE-MCTI-GOV-BR
Affiliation1 Universidade de São Paulo (USP)
2 Instituto Nacional de Pesquisas Espaciais (INPE)
3 Universidade Federal de São Carlos (UFSCar)
4 Universidade Federal de São Carlos (UFSCar)
5 Universidade Federal de São Carlos (UFSCar)
Author e-Mail Address1
2 pedro.castro@inpe.br
JournalCeramics International
Volume42
Pages18087-18093
Secondary MarkA1_INTERDISCIPLINAR A1_ENGENHARIAS_III A1_ENGENHARIAS_II A1_ENGENHARIAS_I A2_MATERIAIS A2_ENGENHARIAS_IV A2_CIÊNCIAS_AGRÁRIAS_I B1_GEOCIÊNCIAS B1_ARQUITETURA_E_URBANISMO B2_QUÍMICA B2_ODONTOLOGIA B2_ENSINO B2_BIOTECNOLOGIA B3_ASTRONOMIA_/_FÍSICA B5_CIÊNCIAS_AMBIENTAIS
History (UTC)2017-02-17 14:41:58 :: simone -> administrator :: 2016
2018-06-04 02:41:52 :: administrator -> simone :: 2016
3. Content and structure
Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
Version Typepublisher
KeywordsBa(Ca1/3Nb2/3)O3 1:2 ordered perovskite Cation ordering Microwave dielectric properties Dielectric resonator
AbstractBa3CaNb2O9 is a 1:2 ordered perovskite which presents a trigonal cell within the D3d3 space group. Dense ceramics of Ba3CaNb2O9 were prepared by the solid-state reaction route, and their microwave dielectric features were evaluated as a function of the sintering time. From Raman spectroscopy, by using grouptheory calculations, we were able to recognize the coexistence of the 1:1 and 1:2 ordering types in all samples, in which increasing the sintering time tends to reduce the 1:1 domain, leading to an enhancement of the unloaded quality factor. We concluded that this domain acts as a lattice vibration damping, consequently raising the dielectric loss at microwave frequencies. The best microwave dielectric parameters were determined in ceramics sintered at 1500 °C for 32h: ε′ 43; Qu fr ¼ 15,752 GHz; τf 278 ppm °C1.
AreaFISPLASMA
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4. Conditions of access and use
Languageen
Target Filerodrigues_structural.pdf
User Groupsimone
Reader Groupadministrator
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Read Permissiondeny from all and allow from 150.163
Update Permissionnot transferred
5. Allied materials
Mirror Repositorysid.inpe.br/mtc-m21b/2013/09.26.14.25.22
Next Higher Units8JMKD3MGPCW/3ET2RFS
Citing Item Listsid.inpe.br/bibdigital/2013/09.25.21.49 1
sid.inpe.br/mtc-m21/2012/07.13.14.58.14 1
DisseminationWEBSCI; PORTALCAPES; COMPENDEX.
Host Collectionsid.inpe.br/mtc-m21b/2013/09.26.14.25.20
6. Notes
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