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Title: Thermal equation of state of silicon carbide

Journal Article · · Applied Physics Letters
DOI:https://doi.org/10.1063/1.4941797· OSTI ID:1332529
ORCiD logo [1];  [2];  [2];  [1];  [3];  [4];  [4]
  1. Oakland Univ., Rochester, MI (United States)
  2. The Univ. of Toledo, Toledo, OH (United States)
  3. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  4. The Univ. of Nevada, Las Vegas, NV (United States)

A large volume press coupled with in-situ energy-dispersive synchrotron X-ray was used to probe the change of silicon carbide (SiC) under high pressure and temperature (P-T) up to 8.1 GPa and 1100 K. The obtained pressure–volume–temperature (P-V-T) data were fitted to a modified high-T Birch-Murnaghan equation of state, yielding values of a series of thermo-elastic parameters, such as, the ambient bulk modulus KTo = 237(2) GPa, temperature derivative of bulk modulus at constant pressure (∂K/∂T)P = -0.037(4) GPa K-1, volumetric thermal expansivity α(0, T)=a+bT with a = 5.77(1)×10-6 K-1 and b = 1.36(2)×10-8 K-2, and pressure derivative of thermal expansion at constant temperature (∂α/∂P)T =6.53±0.64×10-7 K-1GPa-1. Furthermore, we found the temperature derivative of bulk modulus at constant volume, (∂KT/∂T)V, equal to -0.028(4) GPa K-1 by using a thermal pressure approach. In addition, the elastic properties of SiC were determined by density functional theory through the calculation of Helmholtz free energy. Lastly, the computed results generally agree well with the experimental values.

Research Organization:
Univ. of Nevada, Las Vegas, NV (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
NA0001982
OSTI ID:
1332529
Alternate ID(s):
OSTI ID: 1237871
Journal Information:
Applied Physics Letters, Vol. 108, Issue 6; ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 35 works
Citation information provided by
Web of Science

References (38)

TRISO coated fuel particles with enhanced SiC properties journal July 2009
SiC Whisker Reinforced Alumina book January 2005
Advanced Materials for Aerospace and Space Applications journal September 2014
HIP-Sintered Composites of C (Diamond)/SiC journal April 2004
High-pressure, high-temperature sintering of diamond–SiC composites by ball-milled diamond–Si mixtures journal August 2002
Properties of nanostructured diamond-silicon carbide composites sintered by high pressure infiltration technique journal September 2004
SiC–CNT nanocomposites: high pressure reaction synthesis and characterization journal December 2005
The mechanism of the solid-state reaction between carbon nanotubes and nanocrystalline silicon under high pressure and at high temperature journal February 2006
Microstructure evaluations of carbon nanotube/diamond/silicon carbide nanostructured composites by size–strain line-broadening analysis methods journal August 2007
Microstructure of diamond–SiC nanocomposites determined by X-ray line profile analysis journal September 2006
Theoretical Study of Thermodynamics Properties and Bulk Modulus of SiC under High Pressure and Temperature journal January 2014
Elastic and thermodynamical properties of cubic (3C) silicon carbide under high pressure and high temperature journal August 2015
High‐Pressure Equation of State for NaCl, KCl, and CsCl journal July 1971
Efficient iterative schemes for ab initio total-energy calculations using a plane-wave basis set journal October 1996
Efficiency of ab-initio total energy calculations for metals and semiconductors using a plane-wave basis set journal July 1996
Ab initio molecular-dynamics simulation of the liquid-metal–amorphous-semiconductor transition in germanium journal May 1994
Ab initiomolecular dynamics for liquid metals journal January 1993
Projector augmented-wave method journal December 1994
From ultrasoft pseudopotentials to the projector augmented-wave method journal January 1999
Atoms, molecules, solids, and surfaces: Applications of the generalized gradient approximation for exchange and correlation journal September 1992
Erratum: Atoms, molecules, solids, and surfaces: Applications of the generalized gradient approximation for exchange and correlation journal August 1993
Special points for Brillouin-zone integrations journal June 1976
"Special points for Brillouin-zone integrations"—a reply journal August 1977
First-principles calculations of the ferroelastic transition between rutile-type and CaCl 2 -type SiO 2 at high pressures journal October 2008
First-principles phonon calculations of thermal expansion in Ti 3 SiC 2 , Ti 3 AlC 2 , and Ti 3 GeC 2 journal May 2010
Thermochemical and pressure-volume-temperature systematics of data on solids, examples: Tungsten and MgO journal January 1990
A high P-T single-crystal X-ray diffraction study of thermoelasticity of MgSiO3 orthoenstatite journal September 1995
Thermoelastic equation of state of molybdenum journal October 2000
Thermal equation of state of rhenium diboride by high pressure-temperature synchrotron x-ray studies journal December 2008
Thermal equation of state of copper studied by high P-T synchrotron x-ray diffraction journal February 2009
Thermal expansion of periclase and olivine, and their anharmonic properties. journal January 1975
A universal thermal equation-of-state journal July 1984
Analysis of P-V-T data: constraints on the thermoelastic properties of high-pressure minerals journal August 1996
Thermal equation of state of iron and Fe 0.91 Si 0.09 journal February 1999
Thermal equation of state of magnesiowüstite (Mg0.6Fe0.4)O journal February 2002
Pressure-induced phase transition in SiC journal October 1993
High pressure X-ray investigations on 3C-SiC journal July 1987
Thermal expansion of some diamondlike crystals journal January 1975

Cited By (3)

Dynamical stabilization in delafossite nitrides for solar energy conversion journal January 2018
Unconventional superconductivity in 3d rocksalt transition metal carbides journal January 2019
Pressure dependence of the silicon carbide synthesis temperature journal April 2019

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