Domain Wall Damping and Elastic Softening in : Evidence for Polar Twin Walls

JF Scott, EKH Salje, MA Carpenter - Physical Review Letters, 2012 - APS
A marked change in anelastic properties, namely, elastic softening accompanied by
increased damping, has been observed in a single crystal of SrTiO 3 below∼ 50 K by …

Thermal dehydroxylation of kaolinite under isothermal conditions

E Gasparini, SC Tarantino, P Ghigna, MP Riccardi… - Applied Clay …, 2013 - Elsevier
The dehydroxylation reaction of kaolinite from the industrial kaolin Sl-K (Germany) has been
studied by thermal analyses (TG, DTA) and ex situ annealing experiments. Heating …

A ternary feldspar-mixing model based on calorimetric data: development and application

A Benisek, E Dachs, H Kroll - Contributions to Mineralogy and Petrology, 2010 - Springer
A mixing model for high structural state ternary feldspars in the NaAlSi 3 O 8–KAlSi 3 O 8–
CaAl 2 Si 2 O 8 system is presented based exclusively on calorimetric and volumetric …

Linking crystal structure with temperature-sensitive vibrational modes in calcium carbonate minerals

B Xu, KM Poduska - Physical Chemistry Chemical Physics, 2014 - pubs.rsc.org
We demonstrate a correlation between how an IR-active vibrational mode responds to
temperature changes and how it responds to crystallinity differences. Infrared (IR) …

Spectroscopy of epidote minerals

A Liebscher - Reviews in Mineralogy and Geochemistry, 2004 - pubs.geoscienceworld.org
Numerous spectroscopic techniques have been applied to the epidote minerals to
characterize their structure and crystal chemistry. The substitution of transition metal ions …

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 …

Static and dynamic strain coupling behaviour of ferroic and multiferroic perovskites from resonant ultrasound spectroscopy

MA Carpenter - Journal of Physics: Condensed Matter, 2015 - iopscience.iop.org
Resonant ultrasound spectroscopy (RUS) provides a window on the pervasive influence of
strain coupling at phase transitions in perovskites through determination of elastic and …

Line-broadening effects in the powder infrared spectrum of apatite

E Balan, S Delattre, D Roche, L Segalen… - Physics and Chemistry …, 2011 - Springer
The crystallinity of natural and synthetic apatite samples is often determined from the
broadening of ν 4 PO 4 infrared absorption bands. However, various physical mechanisms …

IR spectroscopic characterisation of hydrous species in minerals

E Libowitzky, A Beran - 2004 - pubs.geoscienceworld.org
Hydrogen is a major, a minor, and a trace constituent of a broad variety of minerals in the
Earth's lithosphere. Usually bonded to oxygen in the structures of minerals (in the form of OH …

[PDF][PDF] A Raman spectroscopic study of high-uranium zircon from the Chernobyl" lava"

T Geisler, BE Burakov, V Zirlin… - EUROPEAN …, 2005 - researchgate.net
We have studied technogenic, high-uranium zircon, which crystallised from melt formed
during the accident at the Chernobyl Nuclear Power Plant in 1986, by confocal Raman …