First order magneto-structural phase transition and associated multi-functional properties in magnetic solids

SB Roy - Journal of Physics: Condensed Matter, 2013 - iopscience.iop.org
We show that the first order magneto-structural phase transitions observed in various
classes of magnetic solids are often accompanied by useful multi-functional properties …

Large inverse magnetocaloric effect in Ni50Mn34In16

VK Sharma, MK Chattopadhyay… - Journal of Physics D …, 2007 - iopscience.iop.org
We report a study of the magnetocaloric effect in the ternary alloy system Ni 50 Mn 34 In 16.
This system undergoes an austenite–martensite phase transition, and the change in …

Conventional and inverse magnetocaloric effects in La0. 45Sr0. 55MnO3 nanoparticles

A Rostamnejadi, M Venkatesan, J Alaria… - Journal of Applied …, 2011 - pubs.aip.org
The magnetocaloric effect of La 0.45 Sr 0.55 MnO 3 nanoparticles was studied by dc
magnetization measurements. A sample with mean particle size of about 140 nm exhibits …

Magnetic entropy change of manganites

MS Reis, VS Amaral, JP Araújo, PB Tavares… - Physical Review B …, 2005 - APS
In the present work we analyze the magnetic entropy change Δ SM of the Pr 1− x Ca x Mn O
3 manganites, for a wide range of Ca concentrations (0.20⩽ x⩽ 0.95). The results for the …

Overview No. 145 Metamagnetic transitions, phase coexistence and metastability in functional magnetic materials

SB Roy, P Chaddah, VK Pecharsky, KA Gschneidner Jr - Acta Materialia, 2008 - Elsevier
Magnetic field-induced transitions (metamagnetic transitions) play an important role in
defining functionality of various classes of magnetic materials. Rare earth manganites …

Magnetocaloric and magnetotransport properties of compounds (, Nd, Sm, Gd, and Tb)

P Kumar, NK Singh, KG Suresh, AK Nigam - Physical Review B—Condensed …, 2008 - APS
We report a detailed magnetic, magnetocaloric, and magnetotransport study on R 2 Ni 2 Sn
compounds with different rare earths. The magnetic state of these compounds is found to be …

Structural insights into the rare-earth modified La1. 4-xSmxSr1. 6Mn2O7 layered perovskites and probing their complex magnetic and magnetocaloric properties

A Kumar, JW Kim, N Yadav, A Vij, S Kumar… - Materials Chemistry and …, 2023 - Elsevier
In this work, structural characteristics upon rare-earth modification into the Ruddlesden-
Popper (RP) layered compounds La 1.4-x Sm x Sr 1.6 Mn 2 O 7 (0.00≤ x≤ 0.20) were …

Phase separation and direct magnetocaloric effect in La0. 5Ca0. 5MnO3 manganite

P Amirzadeh, H Ahmadvand, P Kameli… - Journal of Applied …, 2013 - pubs.aip.org
A series of phase separated La 0.5 Ca 0.5 MnO 3 manganite samples with different grain
sizes were studied by ac susceptibility, direct magnetocaloric effect (⁠ Δ T⁠), and heat …

Anomalous magnetic field dependence of magnetocaloric effect at low temperature in Pr0. 52Sr0. 48MnO3 single crystal

M Patra, S Majumdar, S Giri, GN Iles… - Journal of applied …, 2010 - pubs.aip.org
We report the magnetocaloric effect (MCE) in a Pr 0.52 Sr 0.48 MnO 3 single crystal. A peak
in the temperature dependence of magnetic entropy change (Δ SM) with a fairly large …

Magnetocaloric effect in manganites: metamagnetic transitions for magnetic refrigeration

M Quintero, J Sacanell, L Ghivelder, AM Gomes… - Applied Physics …, 2010 - pubs.aip.org
We present a study of the magnetocaloric effect in La 5/8− y Pr y Ca 3/8 MnO 3 (y= 0.3) and
Pr 0.5 Ca 0.09 Sr 0.41 MnO 3 manganites. The low temperature state of both systems is the …