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Enthalpies of formation of some phases present in the Y−Ba−Cu−O system by solution calorimetry

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Abstract

Enthalpies of some of the phases in the Y−Ba−Cu−O system were determined by solution calorimetry using a Calvet microcalorimeter. The standard enthalpies of formation for the phases were found to be YBa2Cu3O6.60, −2627.9; YBa2Cu3O6.77, −2641.8; YBa2Cu3O6.90, −2652.0; YBa2Cu3O6.99, −2659.3; Y2Cu2O5, −2198.6; Y2BaCuO5, −2656.4; BaCuO2.33, −788.6; and BaCuO2.42, −796.2 kJ-mol−1.

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Authors and Affiliations

  1. Department of Chemistry, Central South University of Technology, 410083, Changsha, Hunan, China

    Zhang Hengzhong, Fang Zheng, Zhang Pingmin & Chen Xinmin

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  1. Zhang Hengzhong
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  2. Fang Zheng
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  3. Zhang Pingmin
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  4. Chen Xinmin
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Hengzhong, Z., Zheng, F., Pingmin, Z. et al. Enthalpies of formation of some phases present in the Y−Ba−Cu−O system by solution calorimetry. J Solution Chem 24, 565–578 (1995). https://doi.org/10.1007/BF00973207

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  • DOI: https://doi.org/10.1007/BF00973207

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