000032803 001__ 32803
000032803 005__ 20210121114514.0
000032803 0247_ $$2doi$$a10.1063/1.4931615
000032803 0248_ $$2sideral$$a92673
000032803 037__ $$aART-2015-92673
000032803 041__ $$aeng
000032803 100__ $$aAurelio, G.
000032803 245__ $$aSubstitution site and effects on magnetism in Sr-for-Ca substituted CaBaCo4O7
000032803 260__ $$c2015
000032803 5060_ $$aAccess copy available to the general public$$fUnrestricted
000032803 5203_ $$aCationic substitutions in the novel magnetoelectric compound CaBaCo4O7 lead to profound changes in its magnetic and electric behaviors. In this work, we present a structural study of the isovalent substitution Sr-for-Ca in CaBaCo4O7. X-ray diffraction, as well as neutron powder diffraction experiments, are reported for a series of samples Ca1- xSrxBaCo4O7 with 0 = x = 0.10. Special emphasis is given to the identification of the substitution site, as Sr has also been reported to substitute for Ba in this crystal structure. The solubility limit for Sr at the Ca site is shown to be at x ¿ 0.08. The variation of lattice constants with Sr-doping firmly supports the Sr-for-Ca substitution. Rietveld refinements of the Sr-substituted samples are presented, and used as starting point to analyse the local structure around Sr by means of X-ray absorption spectroscopy at the Sr K-edge. Both the near-edge absorption and the extended absorption fine-structure confirm the substitution of Sr for Ca, giving definite support to the proposed nominal formula. In addition, macroscopic magnetization measurements are presented which reveal the striking effects of Sr-substitution over the magnetic landscape of this puzzling compound.
000032803 536__ $$9info:eu-repo/grantAgreement/ES/MICINN/MAT2011-27233-C02-02
000032803 540__ $$9info:eu-repo/semantics/openAccess$$aby-nc-nd$$uhttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
000032803 590__ $$a2.101$$b2015
000032803 591__ $$aPHYSICS, APPLIED$$b47 / 145 = 0.324$$c2015$$dQ2$$eT1
000032803 592__ $$a0.821$$b2015
000032803 593__ $$aPhysics and Astronomy (miscellaneous)$$c2015$$dQ2
000032803 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/acceptedVersion
000032803 700__ $$aCuriale, J.
000032803 700__ $$aBardelli, F.
000032803 700__ $$aJunqueira Prado, R.
000032803 700__ $$aHennet, L.
000032803 700__ $$aCuello, G.
000032803 700__ $$0(orcid)0000-0002-3600-1721$$aCampo, J.$$uUniversidad de Zaragoza
000032803 700__ $$aThiaudière, D.
000032803 7102_ $$12003$$2395$$aUniversidad de Zaragoza$$bDpto. Física Materia Condensa.$$cÁrea Física Materia Condensada
000032803 773__ $$g118 (2015), 134101$$pJ. appl. physi.$$tJournal of Applied Physics$$x0021-8979
000032803 8564_ $$s1040145$$uhttps://zaguan.unizar.es/record/32803/files/texto_completo.pdf$$yPostprint
000032803 8564_ $$s39037$$uhttps://zaguan.unizar.es/record/32803/files/texto_completo.jpg?subformat=icon$$xicon$$yPostprint
000032803 909CO $$ooai:zaguan.unizar.es:32803$$particulos$$pdriver
000032803 951__ $$a2021-01-21-10:58:59
000032803 980__ $$aARTICLE