The low‐temperature Besnus magnetic transition: Signals due to monoclinic and hexagonal pyrrhotite

CS Horng, AP Roberts - Geochemistry, Geophysics …, 2018 - Wiley Online Library
The low‐temperature magnetic properties of the many pyrrhotite varieties have not been
studied extensively. Monoclinic pyrrhotite (Fe7S8) goes through the Besnus transition at~ 30 …

The Holy Cross Mountains (Poland) terranes palaeoposition and depositional environment in Silurian—new insights from rock magnetic studies

DK Niezabitowska, R Szaniawski - Geophysical Journal …, 2023 - academic.oup.com
SUMMARY The Holy Cross Mountains (HCM) in Poland, is an isolated natural outcrop of
Palaeozoic rocks located within the Trans-European Suture Zone, a tectonic collage of …

Thermal alteration of pyrite to pyrrhotite during earthquakes: New evidence of seismic slip in the rock record

T Yang, MJ Dekkers, J Chen - Journal of Geophysical …, 2018 - Wiley Online Library
Seismic slip zones convey important information on earthquake energy dissipation and
rupture processes. However, geological records of earthquakes along exhumed faults …

Group-theoretical analysis of structural instability, vacancy ordering and magnetic transitions in the system troilite (FeS)–pyrrhotite (Fe1− xS)

CRS Haines, CJ Howard, RJ Harrison… - … Section B: Structural …, 2019 - journals.iucr.org
A group-theoretical framework to describe vacancy ordering and magnetism in the Fe1− xS
system is developed. This framework is used to determine the sequence of crystal structures …

The Besnus transition in 4C pyrrhotite revisited

AU Gehring, A Firlus, D Koulialias… - Geophysical Journal …, 2022 - academic.oup.com
Ferrimagnetic, monoclinic 4C pyrrhotite (Fe7S8) is the only iron sulphide with high
relevance for palaeomagnetism and rock magnetism that can be identified in rock materials …

Magnetoelastic properties and behaviour of 4C pyrrhotite, Fe7S8, through the Besnus transition

CRS Haines, SE Dutton, MWR Volk… - Journal of Physics …, 2020 - iopscience.iop.org
Abstract Pyrrhotite, Fe 7 S 8, is a commonly occurring carrier of magnetic remanence and
has a low temperature transition, the Besnus transition, involving a change in spin state …

The relation between local structural distortion and the low-temperature magnetic anomaly in Fe7S8

D Koulialias, E Canévet, M Charilaou… - Journal of Physics …, 2018 - iopscience.iop.org
Structural defects on an atomic level can crucially impact the magnetic properties of a
material. We study this phenomenon by means of magnetometry and powder neutron …

Changes in physical properties of 4C pyrrhotite (Fe7S8) across the 32 K Besnus transition

MWR Volk, E McCalla, B Voigt, M Manno… - American …, 2018 - degruyter.com
Abstract Pyrrhotite, Fe7S8, is a common sulfide mineral in the Earth's crust and mantle, as
well as in a range of meteorites and is of interest to a wide variety of disciplines including …

The Besnus transition in single‐domain 4C pyrrhotite

D Koulialias, B Lesniak, M Schwotzer… - Geochemistry …, 2019 - Wiley Online Library
The discontinuous change in magnetic properties at a temperature of about 32 K, denoted
as the Besnus transition, is a diagnostic feature for detecting 4C pyrrhotite in geological …

Ordered defects in Fe1− xS generate additional magnetic anisotropy symmetries

D Koulialias, M Charilaou, R Schäublin… - Journal of Applied …, 2018 - pubs.aip.org
Non-stoichiometric monoclinic 4C pyrrhotite (Fe 7 S 8), a ferrimagnetic monosulfide that has
been intensively used as a remanence carrier to infer the magnetization of the Earth's crust …