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Genesis, structural, and transport properties of La2Mo2-xWxO9 prepared via mechanochemical activation. / Pavlova, S.; Bespalko, Y.; Krieger, T. et al.

In: Ionics, Vol. 23, No. 4, 01.04.2017, p. 877-887.

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

Harvard

Pavlova, S, Bespalko, Y, Krieger, T, Sadykov, V & Uvarov, N 2017, 'Genesis, structural, and transport properties of La2Mo2-xWxO9 prepared via mechanochemical activation', Ionics, vol. 23, no. 4, pp. 877-887. https://doi.org/10.1007/s11581-016-1869-9

APA

Pavlova, S., Bespalko, Y., Krieger, T., Sadykov, V., & Uvarov, N. (2017). Genesis, structural, and transport properties of La2Mo2-xWxO9 prepared via mechanochemical activation. Ionics, 23(4), 877-887. https://doi.org/10.1007/s11581-016-1869-9

Vancouver

Pavlova S, Bespalko Y, Krieger T, Sadykov V, Uvarov N. Genesis, structural, and transport properties of La2Mo2-xWxO9 prepared via mechanochemical activation. Ionics. 2017 Apr 1;23(4):877-887. doi: 10.1007/s11581-016-1869-9

Author

Pavlova, S. ; Bespalko, Y. ; Krieger, T. et al. / Genesis, structural, and transport properties of La2Mo2-xWxO9 prepared via mechanochemical activation. In: Ionics. 2017 ; Vol. 23, No. 4. pp. 877-887.

BibTeX

@article{5658f85c0d89445eb12fc6b7f9f323ed,
title = "Genesis, structural, and transport properties of La2Mo2-xWxO9 prepared via mechanochemical activation",
abstract = "Fast oxide-ion conductors La2Mo2-xWxO9 (x = 0–1) have been prepared using mechanochemical activation (MA) of starting oxides in a high-power planetary ball mill. Studies of La2Mo2-xWxO9 genesis and structural properties using thermal analysis, XRD, SEM, IR, and Raman spectroscopy have revealed that MA results in the formation of an amorphous precursor, while the cubic β-phase is formed after calcination at 700–900 °C. Due to a high dispersion of powders, high-density pellets of W-LAMOX ceramics have been obtained already after sintering at 950 °C. Their electrical conductivity measured by the impedance spectroscopy depends on the W concentration being sufficiently high (up to 5.6∙10−3 S/cm at 630 °C) at temperatures below 650 °C.",
keywords = "Doping, FTIR, Ionic conductivities, Materials preparations, XRD, RAMAN-SPECTRA, SUBSTITUTED LA2MO2O9, STABILITY, ELECTRICAL-CONDUCTIVITY, LAMOX, OXIDE-ION CONDUCTORS, REDUCIBILITY, ND, PHASE-TRANSITION, GD",
author = "S. Pavlova and Y. Bespalko and T. Krieger and V. Sadykov and N. Uvarov",
note = "Publisher Copyright: {\textcopyright} 2016, Springer-Verlag Berlin Heidelberg.",
year = "2017",
month = apr,
day = "1",
doi = "10.1007/s11581-016-1869-9",
language = "English",
volume = "23",
pages = "877--887",
journal = "Ionics",
issn = "0947-7047",
publisher = "Institute for Ionics",
number = "4",

}

RIS

TY - JOUR

T1 - Genesis, structural, and transport properties of La2Mo2-xWxO9 prepared via mechanochemical activation

AU - Pavlova, S.

AU - Bespalko, Y.

AU - Krieger, T.

AU - Sadykov, V.

AU - Uvarov, N.

N1 - Publisher Copyright: © 2016, Springer-Verlag Berlin Heidelberg.

PY - 2017/4/1

Y1 - 2017/4/1

N2 - Fast oxide-ion conductors La2Mo2-xWxO9 (x = 0–1) have been prepared using mechanochemical activation (MA) of starting oxides in a high-power planetary ball mill. Studies of La2Mo2-xWxO9 genesis and structural properties using thermal analysis, XRD, SEM, IR, and Raman spectroscopy have revealed that MA results in the formation of an amorphous precursor, while the cubic β-phase is formed after calcination at 700–900 °C. Due to a high dispersion of powders, high-density pellets of W-LAMOX ceramics have been obtained already after sintering at 950 °C. Their electrical conductivity measured by the impedance spectroscopy depends on the W concentration being sufficiently high (up to 5.6∙10−3 S/cm at 630 °C) at temperatures below 650 °C.

AB - Fast oxide-ion conductors La2Mo2-xWxO9 (x = 0–1) have been prepared using mechanochemical activation (MA) of starting oxides in a high-power planetary ball mill. Studies of La2Mo2-xWxO9 genesis and structural properties using thermal analysis, XRD, SEM, IR, and Raman spectroscopy have revealed that MA results in the formation of an amorphous precursor, while the cubic β-phase is formed after calcination at 700–900 °C. Due to a high dispersion of powders, high-density pellets of W-LAMOX ceramics have been obtained already after sintering at 950 °C. Their electrical conductivity measured by the impedance spectroscopy depends on the W concentration being sufficiently high (up to 5.6∙10−3 S/cm at 630 °C) at temperatures below 650 °C.

KW - Doping

KW - FTIR

KW - Ionic conductivities

KW - Materials preparations

KW - XRD

KW - RAMAN-SPECTRA

KW - SUBSTITUTED LA2MO2O9

KW - STABILITY

KW - ELECTRICAL-CONDUCTIVITY

KW - LAMOX

KW - OXIDE-ION CONDUCTORS

KW - REDUCIBILITY

KW - ND

KW - PHASE-TRANSITION

KW - GD

UR - http://www.scopus.com/inward/record.url?scp=84994335099&partnerID=8YFLogxK

U2 - 10.1007/s11581-016-1869-9

DO - 10.1007/s11581-016-1869-9

M3 - Article

AN - SCOPUS:84994335099

VL - 23

SP - 877

EP - 887

JO - Ionics

JF - Ionics

SN - 0947-7047

IS - 4

ER -

ID: 10040131