Formation enthalpy and thermodynamic functions of Li2W1-xMoxO4 single crystals (x = 0.025 and 0.05)

Мацкевич, Н. И.; Shlegel, V.N.; Gelfond, N. V.; Semerikova, A.N.; Matskevich, M. Yu.; Karpova, Tamara D.; Anyfrieva, Olga I.

doi:10.1016/j.jct.2021.106402

Cited by 2 publications

(3 citation statements)

References 27 publications

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“…In the literature there are experimental data [9] obtained by the DSC method in the range of 193-370 K. They are given together with the adiabatic data in Figure 3. It can be seen that they lie lower than our data by 1.2-2.7% at 193-303 K, respectively.…”

Section: Discussionmentioning

confidence: 99%

“…Until recently, it was assumed that Li2WO4 could not be grown by the Czochralski method due to the presence of a high-temperature phase transition. Therefore, a series of works on growing Li2WO4 doped with molybdenum [5,8,9], which showed the possibility of obtaining crystals with molybdenum content from 15 to 2.5%. Currently, the low-temperature heat capacity of lithium molybdate has been studied [10].…”

Section: Introductionmentioning

confidence: 99%

“…Currently, the low-temperature heat capacity of lithium molybdate has been studied [10]. Also, high-temperature Li2MoδW1-δO4 heat capacity data obtained by DSC method [9] and enthalpy measurements of Li2WO4 and Li2MoO4 above 400 K [11] are given in the literature. But the low-temperature heat capacity data for Li2MoδW1-δO4 and Li2WO4 is absent.…”

Section: Introductionmentioning

confidence: 99%

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The low temperature heat capacity of Li₂Mo_0.05W_0.95O₄

Musikhin

Bespyatov

Kuzin

et al. 2021

J. Phys.: Conf. Ser.

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The heat capacity of a lithium tungstate single crystal doped by 5% molybdenum Li2Mo0.05W0.95O4 in the range of 78.5–302.8 K was measured by the adiabatic method. No anomalous behavior of heat capacity was found. The heat capacity function was obtained in the range of 0–303 K by extrapolating to zero temperature and fitting experimental points. Thermodynamic functions of entropy, enthalpy increment and Gibbs free energy at 298.15 K were calculated using the obtained data.

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Section: Discussionmentioning

confidence: 99%