Isobaric heat capacity and standard thermodynamic properties of cation-ordered layered perovskite-like oxides NaLnTiO4 and A2Ln2Ti3O10 (A = H, Na, K; Ln = La, Nd, Gd)

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Isobaric heat capacity and standard thermodynamic properties of cation-ordered layered perovskite-like oxides NaLnTiO₄ and A₂Ln₂Ti₃O₁₀ (A = H, Na, K; Ln = La, Nd, Gd). / Sankovich, Anna M.; Myshkovskaia, Tatiana D.; Markin, Alexey V.; Smirnova, Natalia N.; Zvereva, Irina A.

в: Thermochimica Acta, Том 686, 178533, 04.2020.

Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование

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@article{be1678722f9f42da9f1b7f1b70118d40,

title = "Isobaric heat capacity and standard thermodynamic properties of cation-ordered layered perovskite-like oxides NaLnTiO4 and A2Ln2Ti3O10 (A = H, Na, K; Ln = La, Nd, Gd)",

abstract = "The heat capacities of protonated layered perovskite-like oxides H1.64K0.36Nd2Ti3O10·0.61 H2O and H1.89K0.11Nd2Ti3O10·0.60 H2O were measured by precision adiabatic vacuum calorimetry over the temperature range of (6–300) K. The standard thermodynamic functions: molar heat capacity, enthalpy, entropy, and the Gibbs energy of the compounds were evaluated from the experimental data of the heat capacities over the temperature range of T = (6–300) K. The deviation of experimental points from fitting curves obtained on the basis of Debye's theory. The overview on low-temperature heat capacity and standard thermodynamic properties of cation-ordered layered perovskite-like titanates NaLnTiO4 and A2Ln2Ti3O10 (A=H, Na, K; Ln=La, Nd, Gd) is present.",

keywords = "Adiabatic calorimetry, Heat capacity, Layered perovskite-like oxides, Protonated forms, Standard thermodynamic functions, MOBILITY, K2LA2TI3O10, RANGE",

author = "Sankovich, {Anna M.} and Myshkovskaia, {Tatiana D.} and Markin, {Alexey V.} and Smirnova, {Natalia N.} and Zvereva, {Irina A.}",

note = "Funding Information: This work was financially supported by Russian Foundation for Basic Research (N 18-03-00915) and Ministry of Science and Higher Education of the Russian Federation (Contract No. 4.8337.2017/BCh). Measurements of the heat capacity were performed in Lobachevsky State University of Nizhni Novgorod. TG-study was carried out in the Thermogravimetric and Calorimetric Research Centre, powder X-ray study and X-ray photoelectron investigation were carried out in the X-ray Diffraction Centre and Centre for Physical Methods of Surface Investigation of St. Petersburg State University. Publisher Copyright: {\textcopyright} 2020 Elsevier B.V. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.",

year = "2020",

month = apr,

doi = "10.1016/j.tca.2020.178533",

language = "English",

volume = "686",

journal = "Thermochimica Acta",

issn = "0040-6031",

publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Isobaric heat capacity and standard thermodynamic properties of cation-ordered layered perovskite-like oxides NaLnTiO4 and A2Ln2Ti3O10 (A = H, Na, K; Ln = La, Nd, Gd)

AU - Sankovich, Anna M.

AU - Myshkovskaia, Tatiana D.

AU - Markin, Alexey V.

AU - Smirnova, Natalia N.

AU - Zvereva, Irina A.

N1 - Funding Information: This work was financially supported by Russian Foundation for Basic Research (N 18-03-00915) and Ministry of Science and Higher Education of the Russian Federation (Contract No. 4.8337.2017/BCh). Measurements of the heat capacity were performed in Lobachevsky State University of Nizhni Novgorod. TG-study was carried out in the Thermogravimetric and Calorimetric Research Centre, powder X-ray study and X-ray photoelectron investigation were carried out in the X-ray Diffraction Centre and Centre for Physical Methods of Surface Investigation of St. Petersburg State University. Publisher Copyright: © 2020 Elsevier B.V. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.

PY - 2020/4

Y1 - 2020/4

N2 - The heat capacities of protonated layered perovskite-like oxides H1.64K0.36Nd2Ti3O10·0.61 H2O and H1.89K0.11Nd2Ti3O10·0.60 H2O were measured by precision adiabatic vacuum calorimetry over the temperature range of (6–300) K. The standard thermodynamic functions: molar heat capacity, enthalpy, entropy, and the Gibbs energy of the compounds were evaluated from the experimental data of the heat capacities over the temperature range of T = (6–300) K. The deviation of experimental points from fitting curves obtained on the basis of Debye's theory. The overview on low-temperature heat capacity and standard thermodynamic properties of cation-ordered layered perovskite-like titanates NaLnTiO4 and A2Ln2Ti3O10 (A=H, Na, K; Ln=La, Nd, Gd) is present.

AB - The heat capacities of protonated layered perovskite-like oxides H1.64K0.36Nd2Ti3O10·0.61 H2O and H1.89K0.11Nd2Ti3O10·0.60 H2O were measured by precision adiabatic vacuum calorimetry over the temperature range of (6–300) K. The standard thermodynamic functions: molar heat capacity, enthalpy, entropy, and the Gibbs energy of the compounds were evaluated from the experimental data of the heat capacities over the temperature range of T = (6–300) K. The deviation of experimental points from fitting curves obtained on the basis of Debye's theory. The overview on low-temperature heat capacity and standard thermodynamic properties of cation-ordered layered perovskite-like titanates NaLnTiO4 and A2Ln2Ti3O10 (A=H, Na, K; Ln=La, Nd, Gd) is present.

KW - Adiabatic calorimetry

KW - Heat capacity

KW - Layered perovskite-like oxides

KW - Protonated forms

KW - Standard thermodynamic functions

KW - MOBILITY

KW - K2LA2TI3O10

KW - RANGE

UR - http://www.scopus.com/inward/record.url?scp=85079232819&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/6ee3e964-cbbd-315c-a824-ef9f0cf65e94/

U2 - 10.1016/j.tca.2020.178533

DO - 10.1016/j.tca.2020.178533

M3 - Article

AN - SCOPUS:85079232819

VL - 686

JO - Thermochimica Acta

JF - Thermochimica Acta

SN - 0040-6031

M1 - 178533

ER -

ID: 70816895

Isobaric heat capacity and standard thermodynamic properties of cation-ordered layered perovskite-like oxides NaLnTiO4 and A2Ln2Ti3O10 (A = H, Na, K; Ln = La, Nd, Gd)

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Isobaric heat capacity and standard thermodynamic properties of cation-ordered layered perovskite-like oxides NaLnTiO₄ and A₂Ln₂Ti₃O₁₀ (A = H, Na, K; Ln = La, Nd, Gd)