Theory of orientational glasses models, concepts, simulations

K Binder, JD Reger - Advances in Physics, 1992 - Taylor & Francis
This review describes the various attempts to develop a theoretical understanding for
ordering and dynamics of randomly diluted molecular crystals, where quadrupole moments …

[LIVRE][B] Spin glasses: an experimental introduction

JA Mydosh - 1993 - taylorfrancis.com
The phase of condensed matter known as spin glasses has become a vital and productive
area of research. Historically, experiment has suggested unusual effects which have brought …

[LIVRE][B] The glass transition: relaxation dynamics in liquids and disordered materials

E Donth - 2013 - books.google.com
The glass transition is well known to glass makers or from the common ex perience of drying
a used chewing gum. A liquid melt or a rubber becomes a solid glass when its temperature …

Orientational glasses

UT Höchli, K Knorr, A Loidl - Advances in Physics, 1990 - Taylor & Francis
This review summarizes experimental evidence for the freezing of reorienting moments in
solids. The moments may be of dipolar or quadrupolar nature, or both; they belong to one of …

Introducing the novel mixed gaussian-lorentzian lineshape in the analysis of the raman signal of biochar

A Tagliaferro, M Rovere, E Padovano, M Bartoli… - Nanomaterials, 2020 - mdpi.com
In this research, an innovative procedure is proposed to elaborate Raman spectra obtained
from nanostructured and disordered solids. As a challenging case study, biochar, a bio …

Investigation of the dielectric properties of bismuth pyrochlores

DP Cann, CA Randall, TR Shrout - Solid state communications, 1996 - Elsevier
The dielectric properties of polycrystalline bismuth-based pyrochlores of the general
chemical form Bi 2 (B 2 3 2+ B 4 3 5+) O 7 and Bi2 (B3+ B5+) O7 where B2+= Mg, Cu, Zn …

Orbital Freezing and Orbital Glass State in

R Fichtl, V Tsurkan, P Lunkenheimer, J Hemberger… - Physical review …, 2005 - APS
Low-temperature specific heat measurements and dielectric spectroscopy have been
performed on polycrystalline and single-crystalline F e C r 2 S 4, the single crystals showing …

Dipolar magnets and glasses: Neutron-scattering, dynamical, and calorimetric studies of randomly distributed Ising spins

DH Reich, B Ellman, J Yang, TF Rosenbaum, G Aeppli… - Physical Review B, 1990 - APS
We have measured the magnetic correlations, susceptibility, specific heat, and thermal
relaxation in the dipolar-coupled Ising system LiHo x Y 1− x F 4. The material is …

Generalizations of ''universal dielectric response''and a general distribution‐of‐activation‐energies model for dielectric and conducting systems

JR Macdonald - Journal of applied physics, 1985 - pubs.aip.org
Three empirical equations introduced by 10nscher to represent the imaginary part of the
smallsignal frequency response of dielectric materials and termed" universal dielectric …

Dielectric response of the charge-density wave in

RJ Cava, RM Fleming, P Littlewood, EA Rietman… - Physical Review B, 1984 - APS
We have characterized the dielectric relaxation of the charge-density wave (CDW) in K 0.3
MoO 3 at temperatures between 60 and 101 K through measurement of the complex …