Negative thermal expansion
GD Barrera, JAO Bruno, THK Barron… - Journal of Physics …, 2005 - iopscience.iop.org
There has been substantial renewed interest in negative thermal expansion following the
discovery that cubic ZrW 2 O 8 contracts over a temperature range in excess of 1000 K …
discovery that cubic ZrW 2 O 8 contracts over a temperature range in excess of 1000 K …
Phonons and anomalous thermal expansion behaviour in crystalline solids
Anomalous thermal expansion behaviour of several open frame-work compounds has been
extensively investigated using the techniques of inelastic neutron scattering and lattice …
extensively investigated using the techniques of inelastic neutron scattering and lattice …
Local Vibrations and Negative Thermal Expansion in
We present an x-ray pair distribution function (XPDF) analysis and extended x-ray
absorption fine structure (EXAFS) data for ZrW 2 O 8 (10–500 K) with a focus on the stiffness …
absorption fine structure (EXAFS) data for ZrW 2 O 8 (10–500 K) with a focus on the stiffness …
High Pressure Behavior of : Grüneisen Parameter and Thermal Properties
TR Ravindran, AK Arora, TA Mary - Physical review letters, 2000 - APS
High pressure Raman spectroscopic studies are carried out on negative thermal expansion
material ZrW 2 O 8. The system exhibits amorphization at 2.2±0.3 GPa via an intermediate …
material ZrW 2 O 8. The system exhibits amorphization at 2.2±0.3 GPa via an intermediate …
Origin of Negative Thermal Expansion in Cubic Revealed by High Pressure Inelastic Neutron Scattering
Isotropic negative thermal expansion has been reported in cubic ZrW 2 O 8 over a wide
range of temperatures (0–1050 K). Here we report the direct experimental determination of …
range of temperatures (0–1050 K). Here we report the direct experimental determination of …
Monocrystal Elastic Constants of the Negative-Thermal-Expansion Compound Zirconium Tungstate ()
FR Drymiotis, H Ledbetter, JB Betts, T Kimura… - Physical review …, 2004 - APS
We measured zirconium tungstate's elastic constants C ij. This compound shows relatively
soft, nearly isotropic elastic constants with normal Poisson ratios and no approach to Born …
soft, nearly isotropic elastic constants with normal Poisson ratios and no approach to Born …
First-Principles Mode Gruneisen Parameters and Negative Thermal Expansion in
Mode Grüneisen parameters were estimated for α-ZrW 2 O 8 zone-center modes by means
of density functional theory calculations and the temperature dependence of the coefficient …
of density functional theory calculations and the temperature dependence of the coefficient …
Unusual Low-Energy Phonon Dynamics in the Negative <?format ?>Thermal Expansion Compound
An infrared study of the phonon spectra of Z r W 2 O 8 as a function of temperature which
includes the low-energy (2–10 meV) region relevant to negative thermal expansion is …
includes the low-energy (2–10 meV) region relevant to negative thermal expansion is …
Unusual thermal conductivity of the negative thermal expansion material, ZrW2O8
CA Kennedy, MA White - Solid state communications, 2005 - Elsevier
In order to investigate the relationship between negative thermal expansion and other
thermal properties, the thermal conductivity of the α-phase of ZrW2O8 has been determined …
thermal properties, the thermal conductivity of the α-phase of ZrW2O8 has been determined …
Low-Frequency Phonon Driven Negative Thermal Expansion in Cubic GaFe(CN)6 Prussian Blue Analogues
The understanding of the negative thermal expansion (NTE) mechanism is vital not only for
the development of new NTE compounds but also for effectively controlling thermal …
the development of new NTE compounds but also for effectively controlling thermal …