isothermal magnetization
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scholarly journals Tunable magnetization steps in mixed valent ferromagnet Eu2CoMnO6

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Nara Lee ◽  
Jong Hyuk Kim ◽  
Dong Gun Oh ◽  
Hyun Jun Shin ◽  
Hwan Young Choi ◽  
...  
Keyword(s):  
Material Processing ◽  
Magnetic Properties ◽  
Single Crystals ◽  
Magnetic State ◽  
Hysteresis Loops ◽  
Double Perovskite ◽  
Processing Parameters ◽  
Perovskite Oxides ◽  
Efficient Approach ◽  
Isothermal Magnetization

AbstractMagnetic properties can be manipulated to enhance certain functionalities by tuning different material processing parameters. Here, we present the controllable magnetization steps of hysteresis loops in double-perovskite single crystals of Eu2CoMnO6. Ferromagnetic order emerges below TC ≈ 122 K along the crystallographic c axis. The difficulty in altering Co2+ and Mn4+ ions naturally induces additional antiferromagnetic clusters in this system. Annealing the crystals in different gas environments modifies the mixed magnetic state, and results in the retardation (after O2-annealing) and bifurcation (after Ar-annealing) of the magnetization steps of isothermal magnetization. This remarkable variation offers an efficient approach for improving the magnetic properties of double-perovskite oxides.

An excellent cryogenic magnetic cooler: magnetic and magnetocaloric study of an inorganic frame material

2018 ◽  
Vol 2 (12) ◽  
pp. 2327-2332 ◽  
Author(s):  
Yue Han ◽  
Song-De Han ◽  
Jie Pan ◽  
Yu-Juan Ma ◽  
Guo-Ming Wang
Keyword(s):  
Crystal Structure ◽  
Magnetic Susceptibility ◽  
Maximum Entropy ◽  
High Field ◽  
Gadolinium Gallium Garnet ◽  
Isothermal Magnetization ◽  
Entropy Changes

We report the crystal structure, magnetic susceptibility and isothermal magnetization of inorganic frame material Gd(OH)SO4 (1). The maximum entropy changes for 1 at high field (7 T) and low fields (smaller than 3 T) were comparable to commercial gadolinium gallium garnet Gd3Ga5O12.

The Magnetocaloric Effect and Magnetic Transitions in Hydride Compounds: GdNiH3.2 and TbNiH3.4

2015 ◽  
Vol 233-234 ◽  
pp. 243-246
Author(s):  
A.I. Smarzhevskaya ◽  
S.A. Nikitin ◽  
Viktor N. Verbetsky ◽  
Wacław Iwasieczko ◽  
Alexey N. Golovanov
Keyword(s):  
Magnetocaloric Effect ◽  
Magnetic Entropy Change ◽  
Entropy Change ◽  
Magnetic Entropy ◽  
Magnetic Transitions ◽  
Isothermal Magnetization ◽  
Magnetocaloric Properties ◽  
Magnetization Data

The paper presents the investigation of GdNiH3.2 and TbNiH3.4 hydrides magnetic transitions and magnetocaloric properties. The isothermal magnetization data in the fields up to 5T are obtained for GdNi and TbNi compounds and their hydrides and the values of magnetic entropy change are calculated. The maximum values of magnetic entropy change ΔSM in GdNiH3.2 and TbNiH3.4 are extremely large. It is shown that the hydrogenation shifts ΔSM(T) maximum to lower temperatures.

A brilliant cryogenic magnetic coolant: magnetic and magnetocaloric study of ferromagnetically coupled GdF3

2015 ◽  
Vol 3 (47) ◽  
pp. 12206-12211 ◽  
Author(s):  
Yan-Cong Chen ◽  
Jan Prokleška ◽  
Wei-Jian Xu ◽  
Jun-Liang Liu ◽  
Jiang Liu ◽  
...  
Keyword(s):  
Heat Capacity ◽  
Magnetocaloric Effect ◽  
Isothermal Magnetization ◽  
Heat Capacity Measurements ◽  
Inorganic Framework

The magnetocaloric effect of an inorganic framework material with repeating GdF3 units has been studied using isothermal magnetization and heat capacity measurements.

scholarly journals Magnetic behavior of nanocrystals of the spin-chain systemCa3Co2O6: Absence of multiple steps in the low-temperature isothermal magnetization

2009 ◽  
Vol 79 (14) ◽  
Author(s):  
Niharika Mohapatra ◽  
Kartik K. Iyer ◽  
Sitikantha D. Das ◽  
B. A. Chalke ◽  
S. C. Purandare ◽  
...  
Keyword(s):  
Low Temperature ◽  
Spin Chain ◽  
Magnetic Behavior ◽  
Isothermal Magnetization

scholarly journals Magnetic anomalies inNd6Co1.67Si3: A first-order transition in the low-temperature isothermal magnetization behavior

2008 ◽  
Vol 78 (5) ◽  
Author(s):  
Niharika Mohapatra ◽  
S. Narayana Jammalamadaka ◽  
Sitikantha D. Das ◽  
E. V. Sampathkumaran
Keyword(s):  
Low Temperature ◽  
Magnetic Anomalies ◽  
Order Transition ◽  
First Order ◽  
Isothermal Magnetization ◽  
First Order Transition ◽  
Magnetization Behavior
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