Heat contents and heats of fusion of III-V compounds

Cox, Ronald Harley; Pool, M. J.

doi:10.1021/je60033a021

Cited by 40 publications

(23 citation statements)

References 4 publications

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“…The equations of C p (T) for AlP (3) and TlN (9) presented in Table 2 were obtained by extrapolating linear relations. A similar C p (T) dependency for AlP was obtained independently from literature data reported elsewhere [22], [29], [44]. Based on the above results, it is now possible to calculate all thermodynamic values for all the phases listed in Table 2 [5] and the well-known general thermodynamic relations previously given in [23].…”

Section: -P3supporting

confidence: 73%

“…The aluminum phosphide heat capacity is practically unknown. There are conflicting evidences between [22,29,39], and [44]. Results [44] should be considered as estimates.…”

Section: -P3mentioning

confidence: 99%

“…There are conflicting evidences between [22,29,39], and [44]. Results [44] should be considered as estimates. As stated above, this compound is easily hydrolyzed in air and it is very difficult to obtain reliable experimental data.…”

Section: -P3mentioning

confidence: 99%

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New correlative method of thermodynamic analysis of the inorganic compounds

Vasilyev

Taldrik²,

Ilinykh³

2013

MATEC Web of Conferences

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Section: -P3supporting

confidence: 73%

“…The aluminum phosphide heat capacity is practically unknown. There are conflicting evidences between [22,29,39], and [44]. Results [44] should be considered as estimates.…”

Section: -P3mentioning

confidence: 99%

See 1 more Smart Citation

New correlative method of thermodynamic analysis of the inorganic compounds

Vasilyev

Taldrik²,

Ilinykh³

2013

MATEC Web of Conferences

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“…All experimental investigations found in the literature on thermodynamic properties and phase equilibrium data of the binary Al-P 900-1200 0-0.005 [42] Solubility of P in liquid Al Controlled high temperature filtration experiments 690-1000 0-0.0007 [43] system are collected in Table 2 [14,35,[37][38][39][40][41][42][43]. The standard enthalpy of formation of AlP, Δ f H1(AlP), was experimentally measured by several researchers independently [14,35,37,38].…”

Section: Thermodynamic Datamentioning

confidence: 99%

“…On the other hand, the value compiled in the thermodynamic data books [16,17,18] is 23.64 J mol-atoms À 1 K À 1 , which was taken from the calculated value by Sharifov [46]. Experimental C p data of AlP were reported by three groups [38][39][40]. Cox and Pool [39] measured the heat content of AlP from 298-1150 K with diphenyl ether calorimeter.…”

Section: Thermodynamic Datamentioning

confidence: 99%

Thermodynamic assessment of the Al–P system based on original experimental data

Liang

Schmid–Fetzer

2013

Calphad

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Exponential series representation for heat capacities of semiconductors and wide‐bandgap materials

Pässler

2008

Physica Status Solidi (b)

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The Thirring series expansion is used as the starting point for the design of a structurally novel, dispersion‐related analytical model for descriptions of the temperature dependences of harmonic parts of isochoric heat capacities, CVh (T). The notorious problem of slow convergence of this conventional series expansion is satisfactorily resolved here by its transformation into an associated exponential series representation, which shows up markedly better convergence properties than the original Thirring expansion. Combining this unprecedented analytical CVh (T) model in a physically adequate way with the recently introduced power series expansion for contributions of lattice expansion and anharmonicity effects to the observable isobaric heat capacities, we get a novel effective tool for numerical simulations and analyses of corresponding Cp (T) data sets, which is suitable for applications to the practically important regions of intermediate to high temperatures. This model is usable, among other things, as a physically consistent substitution for various types of ad hoc chosen polynomials that are hitherto still frequently used, especially in the field of thermochemistry. In order to illustrate the considerable usefulness of the novel analytical tool, especially for the technologically important class of wide‐bandgap materials, we perform simultaneous least‐mean‐square fittings of combined sets of available high‐ and low‐temperature Cp (T) data for diamond, SiC‐3C, the III‐nitrides BN, AlN, and GaN, and the zinc chalcogenides ZnO, ZnS, and ZnSe. For a comparison with results obtained recently for Si and Ge on the basis of a three‐oscillator model, we have re‐examined the respective Cp (T) data sets. As interesting byproducts of present fittings we evaluate several even‐order moments of the respective phonon density of states spectral functions. The discussion of numerical results reveals, among other things, the basic physical cause of the obvious inappropriateness of the conventional Debye model with respect to the majority of the materials under study. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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Heat contents and heats of fusion of III-V compounds

Cited by 40 publications

References 4 publications

New correlative method of thermodynamic analysis of the inorganic compounds

New correlative method of thermodynamic analysis of the inorganic compounds

Thermodynamic assessment of the Al–P system based on original experimental data

Exponential series representation for heat capacities of semiconductors and wide‐bandgap materials

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