Rigid unit modes and dynamic disorder: SiO2 cristobalite and quartz

[1]  V. Heine,et al.  Negative thermal expansion in beta-quartz , 1998 .

[2]  Mark Harris,et al.  Low Energy Dynamics and Tunneling States in Silica Glass , 1998 .

[3]  V. Heine,et al.  Simulation studies of at high pressure , 1998 .

[4]  P. Richet,et al.  Quartz and Cristobalite: high‐temperature cell parameters and volumes of fusion , 1998 .

[5]  V. Heine,et al.  Rigid-Unit Modes and the Quantitative Determination of the Flexibility Possessed by Zeolite Frameworks , 1998 .

[6]  I. Swainson,et al.  Direct measurement of the Si–O bond length and orientational disorder in the high-temperature phase of cristobalite , 1997 .

[7]  V. Heine,et al.  How Floppy Modes Give Rise to Adsorption Sites in Zeolites , 1997 .

[8]  M. Smirnov,et al.  Lattice-dynamical study of the alpha-beta phase transition of quartz: soft-mode behavior and elastic , 1997 .

[9]  M. Dove Silicates and Soft Modes , 1997 .

[10]  Mark Harris,et al.  Floppy modes in crystalline and amorphous silicates , 1997 .

[11]  V. Heine,et al.  Origin of the negative thermal expansion in and , 1996 .

[12]  V. Heine,et al.  Rigid-unit phonon modes and structural phase transitions in framework silicates , 1996 .

[13]  V. Heine,et al.  Distortions of framework structures , 1996 .

[14]  V. Heine,et al.  Rigid unit modes in the high-temperature phase of SiO2 tridymite: calculations and electron diffraction , 1996 .

[15]  V. Heine,et al.  Rigid unit modes in framework silicates , 1995, Mineralogical Magazine.

[16]  Ortega,et al.  Electronic structure approach for complex silicas. , 1995, Physical review. B, Condensed matter.

[17]  I. Swainson,et al.  Molecular dynamics simulation of alpha - and beta -cristobalite , 1995 .

[18]  I. Swainson,et al.  On the thermal expansion of β-cristobalite , 1995 .

[19]  Martin T. Dove,et al.  Crush; a Fortran program for the analysis of the rigid-unit mode spectrum of a framework structure , 1994 .

[20]  Dove,et al.  Comment on "First-principles studies on structural properties of beta -cristobalite" , 1993, Physical review letters.

[21]  Martin T. Dove,et al.  Introduction to Lattice Dynamics: Contents , 1993 .

[22]  V. Heine,et al.  The Determination of Rigid-Unit Modes as Potential Soft Modes for Displacive Phase Transitions in Framework Crystal Structures , 1993 .

[23]  Martin T. Dove,et al.  Low-frequency floppy modes in β-cristobalite. , 1993 .

[24]  R. Downs,et al.  Variations of bond lengths and volumes of silicate tetrahedra with temperature , 1992 .

[25]  Martin T. Dove,et al.  Landau free energy and order parameter behaviour of theα/βphase transition in cristobalite , 1992 .

[26]  V. Heine,et al.  Rigid unit modes in the molecular dynamics simulation of quartz and the incommensurate phase transition , 1991 .

[27]  D. Hatch,et al.  The α-β phase transition in cristobalite, SiO2 , 1991 .

[28]  R. Withers,et al.  The structure and microstructure of α-cristobalite and its relationship to β-cristobalite , 1989 .

[29]  R. Withers,et al.  An optical transform and Monte Carlo study of the disorder in β-cristobalite SiO2 , 1989 .

[30]  R. Withers,et al.  An electron diffraction and lattice-dynamical study of the diffuse scattering in β-cristobalite, SiO2 , 1988 .

[31]  A. Wright,et al.  The structures of the β-cristobalite phases of SiO2 and AlPO4 , 1975 .