Symmetry rules and strain/order-parameter relationships for coupling between octahedral tilting and cooperative Jahn–Teller transitions in ABX3 perovskites. I. Theory

MA Carpenter, CJ Howard - Acta Crystallographica Section B …, 2009 - journals.iucr.org
Space groups, order-parameter and strain/order-parameter coupling relationships in ABX3
perovskite structures which combine cooperative Jahn–Teller distortions and octahedral …

Autocorrelation analysis of infrared spectra from minerals

EKH Salje, MA Carpenter… - European Journal …, 2000 - pubs.geoscienceworld.org
The autocorrelation function, Corr (α, ω′)= α (ω+ ω′) α (ω) dω, may be used to
parameterise effective line widths of absorption bands in IR spectra. It has the advantage of …

Structural relationships and a phase diagram for (Ca, Sr) TiO3 perovskites

MA Carpenter, CJ Howard, KS Knight… - Journal of Physics …, 2006 - iopscience.iop.org
Sets of lattice parameter data have been obtained from high resolution neutron and
synchrotron x-ray powder diffraction patterns collected in situ as a function of temperature for …

Analysis of temperature‐dependent Raman spectra of minerals: Statistical approaches

EA Pankrushina, AS Kobuzov… - Journal of Raman …, 2020 - Wiley Online Library
The application of statistical methods to Raman spectroscopy is due to the need to analyse
arrays of poorly resolved mineral spectra having low symmetry, large unit cells, and so forth …

Local structural heterogeneity in garnet solid solutions

T Boffa Ballaran, MA Carpenter, CA Geiger… - Physics and Chemistry …, 1999 - Springer
Local heterogeneities in pyrope-almandine, almandine-grossular and pyrope-grossular
solid solutions have been investigated using IR-powder absorption spectroscopy …

Ca-Doping of BiFeO3: The Role of Strain in Determining Coupling between Ferroelectric Displacements, Magnetic Moments, Octahedral Tilting, and Oxygen-Vacancy …

JA Schiemer, RL Withers, Y Liu… - Chemistry of …, 2013 - ACS Publications
Elastic and anelastic properties of a member of the BiFeO3–CaFeO2. 5 perovskite solid
solution (BCFO), which is known to have multiple instabilities, have been investigated by …

Structural phase transitions and mixing behaviour of the Ba-aluminate (BaAl2O4)–Sr-aluminate (SrAl2O4) solid solution

U Rodehorst, MA Carpenter, S Marion… - Mineralogical …, 2003 - cambridge.org
Phase transitions in the BaAl2O4–SrAl2O4 solid solution have been analysed as a function
of temperature and composition using infrared (IR) powder absorption spectroscopy. The …

The crystal structure of pyroxenes along the jadeite–hedenbergite and jadeite–aegirine joins

F Nestola, M Tribaudino… - American …, 2007 - pubs.geoscienceworld.org
The crystal-structures of seven synthetic pyroxenes along the jadeite–hedenbergite
(Jd57Hd43, Jd26Hd74, Jd0Hd100) and jadeite–aegirine (Jd100Ae0, Jd76Ae24, Jd35Ae65 …

High-pressure behaviour along the jadeite NaAlSi2O6–aegirine NaFeSi2O6 solid solution up to 10 GPa

F Nestola, T Boffa Ballaran, C Liebske, M Bruno… - Physics and Chemistry …, 2006 - Springer
The volume variation as a function of pressure along the jadeite–aegirine solid solution was
determined at room temperature up to pressures between 6.5 and 9.7 GPa by single-crystal …

Order and miscibility in the otavite–magnesite solid solution

FA Bromiley, TB Ballaran… - American …, 2007 - pubs.geoscienceworld.org
The effects of cation substitution and ordering in the otavite (CdCO3)–magnesite (MgCO3)
solid solution have been investigated on samples synthesized at 1 GPa in the temperature …