Relative cooling power enhancement in magneto-caloric nanostructured Pr2Fe17

P Gorria, JLS Llamazares, P Alvarez… - Journal of Physics D …, 2008 - iopscience.iop.org
The magneto-caloric effect (MCE) of arc-melted bulk and 10 h ball-milled nanostructured Pr
2 Fe 17 powders has been investigated. The maximum value for the magnetic entropy …

Crystal structure, magnetocaloric effect and magnetovolume anomalies in nanostructured Pr2Fe17

P Gorria, P Álvarez, JS Marcos, JLS Llamazares… - Acta Materialia, 2009 - Elsevier
Using high-energy ball milling, nanostructured Pr2Fe17 powders can be obtained from their
arc-melted bulk alloys. High-resolution X-ray and neutron powder diffraction experiments …

Stress-induced large Curie temperature enhancement in Invar alloy

P Gorria, D Martínez-Blanco, MJ Pérez, JA Blanco… - Physical Review B …, 2009 - APS
We have succeeded in increasing up to 150 K the Curie temperature in the Fe 64 Ni 36 invar
alloy by means of a severe mechanical treatment followed by a heating up to 1073 K. The …

Nanocrystalline Nd2Fe17 synthesized by high-energy ball milling: crystal structure, microstructure and magneticproperties

P Alvarez, P Gorria, V Franco, JS Marcos… - Journal of Physics …, 2010 - iopscience.iop.org
Abstract Nanocrystalline Nd 2 Fe 17 powders have been obtained by means of high-energy
ball milling from nearly single-phase bulk alloys produced by arc melting and high …

Analysis of the diffraction-line broadening on nanostructured Fe: size–strain effects inducedby milling and heating

D Martinez-Blanco, P Gorria, JA Blanco… - Journal of Physics …, 2008 - iopscience.iop.org
The microstructure of ball milled Fe powder as a function of the milling time has been
investigated using room temperature x-ray powder diffraction and transmission electron …

On the magnetic properties of mechanosynthesized Co–Fe–Ni ternary alloys

E Jartych - Journal of magnetism and magnetic materials, 2011 - Elsevier
X-ray diffraction, Mössbauer spectroscopy and magnetization measurements were used as
complementary methods to obtain structural data and to determine magnetic properties of …

Iron–nickel nanoparticles as bifunctional catalysts in water electrolysis

J Ahmed, T Ahamad, SM AlShehri - ChemElectroChem, 2017 - Wiley Online Library
Abstract Iron− nickel nanoparticles (Fe− Ni NPs) were successfully synthesized in various
stoichiometries by using the inverse micelle method followed by combustion at 500° C for 12 …

Mössbauer and x-ray study of mechanically alloyed Fe–Ni alloys around the Invarcomposition

JF Valderruten, GAP Alcázar… - Journal of Physics …, 2008 - iopscience.iop.org
Fe 100− x Ni x powders (22.5≤ x≤ 40 at.%) mechanically alloyed (MA) for 10 h were
characterized by x-ray diffraction (XRD) and transmission 57 Fe Mössbauer spectrometry …

Ultrasonic-assisted nano-nickel ferrite spinel synthesis for natural gas reforming

DRA El-Hafiz, MA Ebiad, AAE Sakr - Journal of Inorganic and …, 2021 - Springer
Recently, attention has been paid to the development of a reforming process that can be
used to convert non-combusted natural gas (NG) to value-added products. In this study, a …

Magneto-volume effects in Fe–Cu solid solutions

P Gorria, D Martínez-Blanco, R Iglesias… - Journal of magnetism …, 2006 - Elsevier
The magnetic properties of Fe–Cu metastable solid solutions have been investigated by
means of neutron diffraction and magnetisation measurements. These compounds exhibit …