Rational design of MnCoGe alloys for enhanced magnetocaloric performance and reduced thermal hysteresis

R Li, C Xie, Y Wang, B Jin, J Zhu, X Tang, G Tan - Materials Today Physics, 2024 - Elsevier
MnCoGe alloys are widely recognized as an important family of rare-earth-free
magnetocaloric materials by engineering its magnetostructural coupling for giant entropy …

Effect of Ge-site doping on the Ising critical behavior and hysteretic losses of Mn5Ge3

X Si, R Zhang, X Ma, Y Qian, Y Yu, Y Liu - Journal of Alloys and …, 2023 - Elsevier
The critical behavior and magnetocaloric properties with a room-temperature second-order
phase transition of the Mn 5 Ge 3-x Ag x (x= 0, 0.1, 0.5, and 1) compounds under the …

Enhanced magnetocaloric effects in metastable phases of Mn1− xCoxNiGe generated through thermal quenching and high-pressure annealing

T Poudel Chhetri, JH Chen, AT Grant… - Journal of Applied …, 2023 - pubs.aip.org
Metastable phases were formed in Mn 1− x Co x NiGe (⁠ x= 0.05 and 0.08) by annealing at
800 C followed by rapid cooling, ie, quenching, at ambient pressure (⁠ P= 0⁠) and under a …

[HTML][HTML] Magnetothermal effect and first-principles calculations of Zn-doped Mn5Ge3-based alloys

B Ge, Z Li, K Liu, S Tong, X Si, Y Zhu… - Journal of Applied Physics, 2024 - pubs.aip.org
This study investigates the compound system Mn 5− x Zn x Ge 3 (x= 0.1, 0.2, and 0.3)
through experimental investigations and theoretical calculations. Zn doping lowers the Curie …

[HTML][HTML] Effects of doping, hydrostatic pressure, and thermal quenching on the phase transitions and magnetocaloric properties in Mn1− xCoxNiGe

T Poudel Chhetri, JH Chen, AT Grant… - Journal of Applied …, 2022 - pubs.aip.org
The effects of doping, hydrostatic pressure, and thermal quenching on the phase transitions
and magnetocaloric properties of the Mn 1− x Co x NiGe system have been investigated …

Magnetic and structural properties of Fe-substituted MnCoGe with Ni2In-type structure

A Onaka, M Onoue, R Onodera, Y Mitsui… - Journal of Magnetism …, 2022 - Elsevier
Site occupation of Fe atoms, magnetic and structural properties in MnCo 1-x Fe x Ge (x= 0.2,
0.5, 0.7 and 1.0) were investigated. Two phase co-existence of the hexagonal Ni 2 In-type …

[HTML][HTML] Outstanding mechanical and magnetocaloric properties of MnCoGe alloy fabricated through hot pressing sintering

J Wang, C Tan, G Liang, L Zhao, W Zhao, J Li… - Journal of Materials …, 2024 - Elsevier
MnCoGe-based alloys represent promising candidates for magnetic refrigeration due to their
advantageous Curie temperature and structural transition temperature near room …

Fine tuning of Mn/Co vacancies for optimized magnetocaloric performance in MnCoGe alloys

R Li, L Wang, P Miao, C Xie, X Tang, G Tan - Journal of Magnetism and …, 2024 - Elsevier
As a family of rare-earth-free magnetocaloric materials, MnCoGe-based alloys have
attracted intensive attention in the past few years. In this study, we reveal that the deficiency …

Magnetothermal effect, phase transition and critical behavior of Mn5Ge3-xVx alloys

B Ge, Y Liu, Z Liu, X Si, X Luo, Y Liu - Intermetallics, 2024 - Elsevier
In this paper, the magnetocaloric properties, phase transitions, and critical properties of Mn 5
Ge 3-x V x (x= 0.1, 0.2, and 0.3) compounds prepared by arc melting were investigated. The …

Estimation of barocaloric effect across the magnetostructural transition in Mn–Co–Ge alloy from magnetization measurements under pressure

VK Sharma, M Manekar - Journal of Magnetism and Magnetic Materials, 2023 - Elsevier
We report a novel yet simple method for estimating the barocaloric effect across the
magnetostructural transition in Mn 34.5 Co 33.1 Ge 32.4 alloy by relating the results of X-ray …