Zeta-Fe2O3 – A new stable polymorph in iron(III) oxide family
Iron (III) oxide shows a polymorphism, characteristic of existence of phases with the same
chemical composition but distinct crystal structures and, hence, physical properties. Four …
chemical composition but distinct crystal structures and, hence, physical properties. Four …
Charge-ordering transition in iron oxide Fe4O5 involving competing dimer and trimer formation
Phase transitions that occur in materials, driven, for instance, by changes in temperature or
pressure, can dramatically change the materials' properties. Discovering new types of …
pressure, can dramatically change the materials' properties. Discovering new types of …
Significant enhancement of thermoelectric properties and metallization of Al-doped Mg2Si under pressure
We report results of investigations of electronic transport properties and lattice dynamics of
Al-doped magnesium silicide (Mg 2 Si) thermoelectrics at ambient and high pressures to …
Al-doped magnesium silicide (Mg 2 Si) thermoelectrics at ambient and high pressures to …
A hard oxide semiconductor with a direct and narrow bandgap and switchable p–n electrical conduction
DOI: 10.1002/adma. 201403304 systems with advanced properties or unusual electron
band structure features may, in turn, lead to emergent industrial applications. The …
band structure features may, in turn, lead to emergent industrial applications. The …
Evolution of electrical conductivity and semiconductor to metal transition of iron oxides at extreme conditions
Y Zhuang, Q Hu - Chinese Physics B, 2022 - iopscience.iop.org
Iron oxides are widely found as ores in Earth's crust and are also important constituents of its
interiors. Their polymorphism, composition changes, and electronic structures play essential …
interiors. Their polymorphism, composition changes, and electronic structures play essential …
Pressure-induced structural, electronic, and magnetic evolution in cubic inverse spinel NiFe2O4, an ab-initio study
Abstract NiFe 2 O 4 (NFO) is a soft magnetic material that is vital for various spintronic,
biomedical, and energy-related applications. In this report, cubic inverse spinel NFO was …
biomedical, and energy-related applications. In this report, cubic inverse spinel NFO was …
Synthesis, electronic transport and optical properties of Si: α-Fe 2 O 3 single crystals
We report the synthesis of silicon-doped hematite (Si: α-Fe2O3) single crystals via chemical
vapor transport, with Si incorporation on the order of 1019 cm− 3. The conductivity, Seebeck …
vapor transport, with Si incorporation on the order of 1019 cm− 3. The conductivity, Seebeck …
Structural and vibrational properties of single crystals of Scandia, Sc2O3 under high pressure
We report the results of single-crystal X-ray diffraction and Raman spectroscopy studies of
scandium oxide, Sc 2 O 3, at ambient temperature under high pressure up to 55 and 28 …
scandium oxide, Sc 2 O 3, at ambient temperature under high pressure up to 55 and 28 …
Magnetic circular dichroism in the canted antiferromagnet α-Fe2O3: Bulk single crystal and nanocrystals
Abstract Hematite, α-Fe 2 O 3, is a canted antiferromagnet with the Neel temperature of 960
K. The Morin transition, which occurs when the temperature is lowered to~ 260 K, when the …
K. The Morin transition, which occurs when the temperature is lowered to~ 260 K, when the …
Anisotropic magnetotransport realized in doped hematite
EF Galindez-Ruales, L Šmejkal, S Das, E Baek… - arxiv preprint arxiv …, 2023 - arxiv.org
Conventional antiferromagnetic materials have long been recognized for their time-reversal
symmetry, resulting in a zero anomalous Hall coefficient. However, a paradigm shift occurs …
symmetry, resulting in a zero anomalous Hall coefficient. However, a paradigm shift occurs …