Theory of cross phenomena and their coefficients beyond Onsager theorem

ZK Liu - Materials Research Letters, 2022 - Taylor & Francis
Cross phenomena, representing responses of a system to external stimuli, are ubiquitous
from quantum to macro scales. The Onsager theorem is often used to describe them, stating …

Magnetochemical effects on phase stability and vacancy formation in fcc fe-ni alloys

K Li, CC Fu, M Nastar, F Soisson, MY Lavrentiev - Physical Review B, 2022 - APS
We investigate phase stability and vacancy formation in fcc Fe-Ni alloys over a broad
composition-temperature range, via a density functional theory parametrized effective …

Atomic diffusion in bcc Fe–Mn alloys: Theoretical analysis and experimental measurements across the Curie temperature

V Kulitckii, A Schneider, O Lukianova, G Wilde, CC Fu… - Acta Materialia, 2023 - Elsevier
The influence of a magnetic transition on Fe and Mn diffusion in bcc Fe–Mn alloys as a
function of Mn concentration is studied combining experimental measurements and DFT …

Predicting atomic diffusion in concentrated magnetic alloys: The case of paramagnetic Fe-Ni

K Li, CC Fu, M Nastar, F Soisson - Physical Review B, 2023 - APS
Predicting atomic diffusion in concentrated magnetic systems is challenging due to thermal
magnetic effects and complex magnetochemical interplay. We propose an efficient approach …

Effects of magnetic excitations and transitions on vacancy formation: Cases of fcc Fe and Ni compared to bcc Fe

K Li, CC Fu, A Schneider - Physical Review B, 2021 - APS
Vacancy is one of the most frequent defects in metals. We study the impacts of magnetism
on vacancy formation properties in fcc Ni, and in bcc and fcc Fe, via density functional theory …

Impact of Mn Alloying on Phase Stabilities, Magnetic Properties and Electronic Structures in Fe

H Yang, JH Yang, Y Zhao, H Ma, Y Tian, M Cai, S Tang… - Materials, 2023 - mdpi.com
Impacts of Mn alloying on lattice stabilities, magnetic properties, electronic structures of the
bcc and fcc phases and the fcc→ bcc phase transition in Fe 16− x Mn x (x= 0, 1 and 2) alloys …

[HTML][HTML] Reassessment of low-temperature Gibbs energies of BCC and FCC in steel for T0-temperature evaluation

A Jacob, E Povoden-Karadeniz, P Retzl, E Kozeschnik - Calphad, 2023 - Elsevier
In this work, we present an improved thermodynamic modeling of the mc_fe multicomponent
database on the Fe-rich side at low temperatures. This is of special interest for the prediction …

Impact of magnetic transition on Mn diffusion in -iron: Correlative state-of-the-art theoretical and experimental study

O Hegde, V Kulitckii, A Schneider, F Soisson, T Hickel… - Physical Review B, 2021 - APS
An accurate prediction of atomic diffusion in Fe alloys is challenging due to thermal
magnetic excitations and magnetic transitions. We investigate the diffusion of Mn in bcc Fe …

Influence of magnetic excitation and vibrational entropy on the phase diagram of Fe1− xCrx alloys

M Trochet, F Soisson, CC Fu, MY Lavrentiev - Computational Materials …, 2021 - Elsevier
We study the thermodynamic properties of iron-chromium alloys in the framework of the
Magnetic Cluster Expansion, a model of effective interactions explicitly taking into account …

Tailoring Ferrimagnetic Transition Temperatures, Coercivity Fields, and Saturation Magnetization by Modulating Mn Concentration in (CoCrFeNi)1−x Mn x High …

CH Lee, HH Chin, KY Zeng, YJ Chang, AC Yeh… - Frontiers in …, 2022 - frontiersin.org
Cr and Mn play intriguing roles in determining the magnetic properties of CoFeNi-based
high-entropy alloys (HEA). In this study, we tune the stoichiometric Mn composition to …