Electronic Conduction of Magnetite (Fe3O4) and its Transition Point at Low Temperatures

  title={Electronic Conduction of Magnetite (Fe3O4) and its Transition Point at Low Temperatures},
  author={E. J. W. Verwey},
  • E. Verwey
  • Published 1 August 1939
  • Materials Science
  • Nature
WE have measured the electronic conductivity, down to liquid nitrogen temperature, of a number of iron oxides of the homogeneous ‘Fe3O4’ phase, especially as a function of the exact stoichiometrie composition of the material. This seemed of theoretical interest for several reasons: 

Ultralow Thermal Conductivity in Nanoporous Crystalline Fe3O4

While there is no known fundamental lower limit to the thermal conductivity of a material, the lowest thermal conductivities are typically found in amorphous and strongly disordered materials, not ...

Thermal expansion of magnetite (4.2–300 K)

The thermal expansion of a synthetic single-crystal sample of magnetite (Fe3O4) in the [111] direction has been investigated for the temperature range of 4.2–300 K using three-terminal capacitance

Defects and Cation Diffusion in Magnetite (V): Electrical Conduction, Cation Distribution and Point Defects in Fe3‐δO4

Electrical conductivity in magnetite has been studied experimentally as a function of temperature and oxygen activity between 560 and 1400°C. The results indicate that above TC (=575°C) an octahedral

Cation, magnetic, and charge ordering in MnFe3O5† †Electronic supplementary information (ESI) available: Tables of crystallographic results and powder synchrotron profile fit. See DOI: 10.1039/c8tc00053k

The high pressure material MnFe3O5 displays a rich variety of magnetically ordered states on cooling through three separate phase transitions.

Link between Magnetic and Dielectric Properties in Magnetite

We have measured temperature dependence of magnetic and dielectric properties in high quality stoichiometric single-crystals of magnetite (Fe3O4). At low temperatures, below the Verwey transition,

High pressure flux synthesis of LaMnO3+δ with charge ordering

Charge ordering (CO) is an important phenomenon in mixed-valent transition metal oxides. In this communication, LaMnO3+δ crystals have been synthesized under high-pressure flux conditions and CO of

Non-collinear Magnetic Structure on the Fe3O4(111) Surface

The magnetic structure of an Fe3O4(111) surface was observed at room temperature by nuclear resonant X-ray scattering (NRS) and conversion electron Mossbauer spectroscopy (CEMS). The depth dependen...



Crystal Structures and Expansion Anomalies of MnO, MnS, FeO, Fe3O4 Between 100°K and 200°K

(1) Determinations have been made of structure type and lattice constants of MnO, MnS, FeO and Fe3O4 at temperatures near those at which these substances show specific heat anomalies. (2) No major

The Crystal Structure of γ-Fe2O3 and γ-Al2O3

\. The oxides Fe203 and Al203 are known to crystallize in different modifications. The stable oxides are a-Fe203 (haematite) and a-Al2()3 (corundum); they form structures of the same type with