Reaction of titanium with carbon in a laser heated diamond anvil cell and reevaluation of a proposed pressure-induced structural phase transition of TiC

Winkler, Björn; Juarez‐Arellano, Erick A.; Friedrich, Alexandra; Bayarjargal, Lkhamsuren; Yan, Jinyuan; Clark, S. M.

doi:10.1016/j.jallcom.2008.11.020

Cited by 32 publications

(17 citation statements)

References 16 publications

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“…For example, the carbon content in cubic TiC x can vary between 1 > x > 0.5 with corresponding lattice parameters of a = 4.33 Å (TiC) and a = 4.30 Å (TiC 0.5 ) [23,24]. In our earlier study [1], a series of simulations in which the amount of carbon introduced into the Re-lattice was varied were performed.…”

Section: Resultsmentioning

confidence: 99%

Stability field of the high-(P, T) Re2C phase and properties of an analogous osmium carbide phase

Juarez‐Arellano

Winkler

Friedrich

et al. 2009

Journal of Alloys and Compounds

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Section: Resultsmentioning

confidence: 99%

Stability field of the high-(P, T) Re2C phase and properties of an analogous osmium carbide phase

Juarez‐Arellano

Winkler

Friedrich

et al. 2009

Journal of Alloys and Compounds

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“…This was deduced from the observation of a splitting of the cubic (111) reflection. In a more recent study [112], we have synthesized δ -TiC by reaction of the elements at 15 GPa and about 1600–2000 K. At these conditions we observed small amounts of trigonal TiC

_{x}

(ICSD #65938 [51]), which however was not detectable at higher pressures and temperatures. In contrast, δ -TiC was still present at 25 GPa and about 2000 K. We obtained diffraction patterns at about 25 GPa on heated and annealed samples.…”

Section: Transition Metal Carbidesmentioning

confidence: 86%

Synthesis of Binary Transition Metal Nitrides, Carbides and Borides from the Elements in the Laser-Heated Diamond Anvil Cell and Their Structure-Property Relations

et al. 2011

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Transition metal nitrides, carbides and borides have a high potential for industrial applications as they not only have a high melting point but are generally harder and less compressible than the pure metals. Here we summarize recent advances in the synthesis of binary transition metal nitrides, carbides and borides focusing on the reaction of the elements at extreme conditions generated within the laser-heated diamond anvil cell. The current knowledge of their structures and high-pressure properties like high-(p,T) stability, compressibility and hardness is described as obtained from experiments.

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“…Dubrovinskaia et al [6] observed a phase transformation from the NaCl-type cubic structure (B1) to a rhombohedral structure at a pressure above 18 GPa at 300 K under a quasi-hydrostatic environment using in situ powder X-ray diffraction. However, Winkler et al [7] found that TiC did not undergo a structural phase transition up to 25 GPa from a laser-heated diamond anvil cell experiment.…”

Section: Introductionmentioning

confidence: 99%

Elastic and thermodynamic properties of TiC from first-principles calculations

Wang

Zhu

et al. 2011

Sci. China Phys. Mech. Astron.

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Using the pseudopotential plane-wave method, we investigate the elastic constants and thermodynamic properties of the rocksalt structure Titanium Carbide (TiC). The obtained lattice parameters, bulk modulus and elastic constants are in very good agreement with the available experimental data and other theoretical results. The thermodynamic properties of the cubic TiC are predicted by using the quasi-harmonic Debye model. The normalized volume V/V 0 , bulk modulus B, thermal expansion , heat capacity C V , Grüneisen parameter  and Debye temperature  dependence on the pressure and temperature are obtained successfully. At low temperature and low pressure, thermal expansion coefficient increases rapidly with temperature. At high temperature and high pressure, the increasing trend becomes tender. At low temperatures, C V is proportional to T 3 , and C V tends to the Dulong-Petit limit at higher temperatures. thermodynamic properties, elastic constants, TiC PACS: 65.40.-b, 62.20.Dc, 72.80.Ga

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Reaction of titanium with carbon in a laser heated diamond anvil cell and reevaluation of a proposed pressure-induced structural phase transition of TiC

Cited by 32 publications

References 16 publications

Stability field of the high-(P, T) Re2C phase and properties of an analogous osmium carbide phase

Stability field of the high-(P, T) Re2C phase and properties of an analogous osmium carbide phase

Synthesis of Binary Transition Metal Nitrides, Carbides and Borides from the Elements in the Laser-Heated Diamond Anvil Cell and Their Structure-Property Relations

Elastic and thermodynamic properties of TiC from first-principles calculations

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