Transport Properties of In3+- and Y3+-Doped Hexagonal Perovskite Ba5In2Al2ZrO13

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Transport Properties of In3+- and Y3+-Doped Hexagonal Perovskite Ba5In2Al2ZrO13. / Andreev, R. D.; Anokhina, I. A.; Korona, D. V. et al.
In: Russian Journal of Electrochemistry, Vol. 59, No. 3, 01.03.2023, p. 190-203.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{fa7871950d4946728e680f2024a09a8a,

title = "Transport Properties of In3+- and Y3+-Doped Hexagonal Perovskite Ba5In2Al2ZrO13",

abstract = "A complex oxide Ba5In1.9Y0.1Al2ZrO13 with hexagonal perovskite structure (a = 5.971(4) angstrom, c = 24.012(1) angstrom) is prepared for the first time. The phase is found to dissociative-absorb water from gas phase, the degree of hydration being as high as 0.39 mol H2O. It was found by using IR-spectroscopy that protons are present therein as energetically nonequivalent OH--groups involved in hydrogen bonds of diverse strength. Isovalent yttrium-doping of the Ba5In2Al2ZrO13 phase is shown not to lead to any valuable change in the oxygen-ion-conductivity as compared with the Ba5In2.1Al2Zr0.9O12.95 acceptor doping that allows increasing the oxygen-ion-conductivity by a factor of 1.3. Both types of doping lead to increase in the proton conductivity and, as a corollary to this, an increase in the proton concentration. For these phases the degree of hydration depends on the cell parameters, hence, is determined by space availability for OH--groups in the barium coordination. Proton transport dominates in the Ba5In2Al2ZrO13, Ba5In2.1Al2Zr0.9O12.95, and Ba5In1.9Y0.1Al2ZrO13 phases below 600(o)C in humid atmosphere (pH(2)O = 1.92 x 10(-2) atm).",

author = "Andreev, {R. D.} and Anokhina, {I. A.} and Korona, {D. V.} and Gilev, {A. R.} and Animitsa, {I. E.}",

note = "This study is supported by the joined grant of the Russian Scientific Foundation and the Government of Sverdlovskaya oblast no. 22-23-20003, https://rscf.ru/en/proj-ect/22-23-20003/",

year = "2023",

month = mar,

day = "1",

doi = "10.1134/S1023193523030035",

language = "English",

volume = "59",

pages = "190--203",

journal = "Russian Journal of Electrochemistry",

issn = "1023-1935",

publisher = "Pleiades Publishing",

number = "3",

}

RIS

TY - JOUR

T1 - Transport Properties of In3+- and Y3+-Doped Hexagonal Perovskite Ba5In2Al2ZrO13

AU - Andreev, R. D.

AU - Anokhina, I. A.

AU - Korona, D. V.

AU - Gilev, A. R.

AU - Animitsa, I. E.

N1 - This study is supported by the joined grant of the Russian Scientific Foundation and the Government of Sverdlovskaya oblast no. 22-23-20003, https://rscf.ru/en/proj-ect/22-23-20003/

PY - 2023/3/1

Y1 - 2023/3/1

N2 - A complex oxide Ba5In1.9Y0.1Al2ZrO13 with hexagonal perovskite structure (a = 5.971(4) angstrom, c = 24.012(1) angstrom) is prepared for the first time. The phase is found to dissociative-absorb water from gas phase, the degree of hydration being as high as 0.39 mol H2O. It was found by using IR-spectroscopy that protons are present therein as energetically nonequivalent OH--groups involved in hydrogen bonds of diverse strength. Isovalent yttrium-doping of the Ba5In2Al2ZrO13 phase is shown not to lead to any valuable change in the oxygen-ion-conductivity as compared with the Ba5In2.1Al2Zr0.9O12.95 acceptor doping that allows increasing the oxygen-ion-conductivity by a factor of 1.3. Both types of doping lead to increase in the proton conductivity and, as a corollary to this, an increase in the proton concentration. For these phases the degree of hydration depends on the cell parameters, hence, is determined by space availability for OH--groups in the barium coordination. Proton transport dominates in the Ba5In2Al2ZrO13, Ba5In2.1Al2Zr0.9O12.95, and Ba5In1.9Y0.1Al2ZrO13 phases below 600(o)C in humid atmosphere (pH(2)O = 1.92 x 10(-2) atm).

AB - A complex oxide Ba5In1.9Y0.1Al2ZrO13 with hexagonal perovskite structure (a = 5.971(4) angstrom, c = 24.012(1) angstrom) is prepared for the first time. The phase is found to dissociative-absorb water from gas phase, the degree of hydration being as high as 0.39 mol H2O. It was found by using IR-spectroscopy that protons are present therein as energetically nonequivalent OH--groups involved in hydrogen bonds of diverse strength. Isovalent yttrium-doping of the Ba5In2Al2ZrO13 phase is shown not to lead to any valuable change in the oxygen-ion-conductivity as compared with the Ba5In2.1Al2Zr0.9O12.95 acceptor doping that allows increasing the oxygen-ion-conductivity by a factor of 1.3. Both types of doping lead to increase in the proton conductivity and, as a corollary to this, an increase in the proton concentration. For these phases the degree of hydration depends on the cell parameters, hence, is determined by space availability for OH--groups in the barium coordination. Proton transport dominates in the Ba5In2Al2ZrO13, Ba5In2.1Al2Zr0.9O12.95, and Ba5In1.9Y0.1Al2ZrO13 phases below 600(o)C in humid atmosphere (pH(2)O = 1.92 x 10(-2) atm).

UR - https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=tsmetrics&SrcApp=tsm_test&DestApp=WOS_CPL&DestLinkType=FullRecord&KeyUT=000981592800004

UR - http://www.scopus.com/inward/record.url?partnerID=8YFLogxK&scp=85159854612

U2 - 10.1134/S1023193523030035

DO - 10.1134/S1023193523030035

M3 - Article

VL - 59

SP - 190

EP - 203

JO - Russian Journal of Electrochemistry

JF - Russian Journal of Electrochemistry

SN - 1023-1935

IS - 3

ER -

ID: 40050418