Soft-mode spectroscopy of ferroelectrics and multiferroics: A review
S Kamba - APL Materials, 2021 - pubs.aip.org
This article summarizes the results of the investigations of the dynamics of ferroelectric (FE)
phase transitions (PTs) obtained in Prague during the last 25 years. After a short …
phase transitions (PTs) obtained in Prague during the last 25 years. After a short …
Tuning exsolution of nanoparticles in defect engineered layered perovskite oxides for efficient CO2 electrolysis
Solid oxide electrolysis cell (SOEC) could be a potential technology to afford chemical
storage of renewable electricity by converting water and carbon dioxide. In this work, we …
storage of renewable electricity by converting water and carbon dioxide. In this work, we …
Far infrared and terahertz spectroscopy of ferroelectric soft modes in thin films: A review
J Petzelt, S Kamba - Ferroelectrics, 2016 - Taylor & Francis
Far-infrared and terahertz spectroscopy of ferroelectric soft and central modes in thin films
on substrates is reviewed. In addition to classical displacive proper ferroelectrics, also …
on substrates is reviewed. In addition to classical displacive proper ferroelectrics, also …
Relation between structural instabilities in EuTiO and SrTiO
A Bussmann-Holder, J Köhler, RK Kremer… - Physical Review B …, 2011 - APS
Specific heat measurements and theoretical calculations reveal an intimate analogy
between EuTiO 3 and SrTiO 3. For EuTiO 3, a hitherto unknown specific heat anomaly is …
between EuTiO 3 and SrTiO 3. For EuTiO 3, a hitherto unknown specific heat anomaly is …
Antiferromagnetic superexchange via states of titanium in EuTiO as seen from hybrid Hartree-Fock density functional calculations
A superexchange mechanism between Eu 2+ 4 f spins via the 3 d states of nonmagnetic Ti
4+ ions is proposed through first-principles calculations based on a hybrid Hartree-Fock …
4+ ions is proposed through first-principles calculations based on a hybrid Hartree-Fock …
Antiferrodistortive phase transition in EuTiO
X-ray diffraction, dynamical mechanical analysis, and infrared reflectivity studies revealed an
antiferrodistortive phase transition in EuTiO 3 ceramics. Near 300 K, the perovskite structure …
antiferrodistortive phase transition in EuTiO 3 ceramics. Near 300 K, the perovskite structure …
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 …
strain coupling at phase transitions in perovskites through determination of elastic and …
A multiferroic material to search for the permanent electric dipole moment of the electron
We describe the first-principles design and subsequent synthesis of a new material with the
specific functionalities required for a solid-state-based search for the permanent electric …
specific functionalities required for a solid-state-based search for the permanent electric …
Large off-diagonal magnetoelectric coupling in the quantum paraelectric antiferromagnet
The third-order E 2 H 2-type magnetoelectric (ME) response of polycrystalline EuTiO 3
changes sign under magnetic bias and shows a large anomaly at the antiferromagnetic (AF) …
changes sign under magnetic bias and shows a large anomaly at the antiferromagnetic (AF) …
Spin-flop driven magneto-dielectric effect in Co4Nb2O9
T Kolodiazhnyi, H Sakurai, N Vittayakorn - Applied Physics Letters, 2011 - pubs.aip.org
Co 4 Nb 2 O 9 becomes antiferromagnetic (AFM) below 27.4 K with a spin-flop transition at a
critical field, H c, of 12 kOe. Room-temperature dielectric properties are dominated by finite …
critical field, H c, of 12 kOe. Room-temperature dielectric properties are dominated by finite …