Articles with "spin glass" as a keyword



Reentrant Spin Glass and Large Coercive Field Observed in a Spin Integer Dimerized Honeycomb Lattice

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Published in 2020 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202004744

Abstract: 2D magnetic materials with dimerized honeycomb lattices can be treated as mixed‐spin square lattices, in which a quantum phase transition may occur to realize the Bose–Einstein condensation of magnons under reachable experimental conditions. However, this… read more here.

Keywords: spin glass; microscopy; dimerized honeycomb; integer ... See more keywords

Planar Spin Glass with Topologically-Protected Mazes in the Liquid Crystal Targeting for Reconfigurable Micro Security Media.

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Published in 2023 at "Advanced materials"

DOI: 10.1002/adma.202303077

Abstract: The planar spin glass pattern is widely known for its inherent randomness, resulting from the geometrical frustration. As such, developing physical unclonable functions (PUFs)-which operate with device randomness-with planar spin glass patterns can be a… read more here.

Keywords: spin glass; security; planar spin; topologically protected ... See more keywords

Fe2+ Doping in Antiferromagnetic CsNiCl3 Triggers a Spin Glass Effect, Enhances its Optical and Electrochemical Properties

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Published in 2025 at "European Journal of Inorganic Chemistry"

DOI: 10.1002/ejic.202500324

Abstract: Room‐temperature facile synthesis of CsNiCl3 is successfully achieved to tune its magnetic, optical, and electrochemical properties by the incorporation of Fe2+‐ion in the lattice. To ensure phase purity, the synthesized CsNiCl3 is characterized using powder… read more here.

Keywords: spectroscopy; csnicl3; spin glass; optical electrochemical ... See more keywords

XAS and XPS analysis of double magnetic transition, canonical spin glass behavior and magnetoresistance in LaMn1-xCoxO3 (0.1 ≤ x ≤ 0.5) system

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Published in 2020 at "Ceramics International"

DOI: 10.1016/j.ceramint.2020.11.018

Abstract: Abstract Polycrystalline LaMn1-xCoxO3 (0.1≤ x ≤ 0.5) samples were synthesized using conventional ceramic method. Rietveld refined X-ray diffraction pattern revealed the single-phase orthorhombic crystal structure of all the samples with the space group Pbnm. Temperature-dependent… read more here.

Keywords: system; transition; presence; spin glass ... See more keywords

Large exchange bias effect in the super spin glass state of Mn50Ni38Al12 alloy

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Published in 2017 at "Intermetallics"

DOI: 10.1016/j.intermet.2017.03.003

Abstract: Abstract A large exchange bias field (HEB) of 5.3 kOe which so far, is the largest value found in MnNi-based alloys, was observed in Mn50Ni38Al12 ribbon. DC and AC magnetic measurements show super spin glass (SSG)… read more here.

Keywords: large exchange; exchange bias; super spin; spin glass ... See more keywords

Cluster glass behaviour in MnMn0.25Sb

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Published in 2021 at "Intermetallics"

DOI: 10.1016/j.intermet.2021.107113

Abstract: Abstract Magnetic properties of intermetallic MnMn0.25Sb crystallizing in the NiAs-type hexagonal structure are reported. A spin-glass transition at Tf ≈ 10.7 K was identified from Ac susceptibility measurements. The value of the Mydosh parameter ( φ ≈ 0.06… read more here.

Keywords: spin glass; mnmn0 25sb; glass behaviour; cluster ... See more keywords

Effect of synthesis on structure, oxygen voids, valence bands, forbidden band gap and magnetic domain configuration of La2CoMnO6

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Published in 2017 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2016.08.086

Abstract: Abstract La 2 CoMnO 6 were prepared by the solid state reaction (SSR) and the sol-gel method (SGM). Compared to SSR, the SGM sample has a smaller lattice. The XPS spectra of O 1s core… read more here.

Keywords: sgm; oxygen voids; band gap; spin glass ... See more keywords
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Controllable ferromagnetic/re-entrant spin glass state and magnetocaloric response of Gd-Er-Al-Co metallic glasses

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Published in 2017 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2017.06.293

Abstract: Abstract The effects of random anisotropy on the magnetic transition and magnetic entropy change (MEC) have been investigated in a series of Gd-Er-Al-Co metallic glasses(MGs) through Er addition. The Gd-based metallic glass without Er shows… read more here.

Keywords: glass; spin glass; mec; entrant spin ... See more keywords

Hopping conduction and spin glass behavior of La2FeMnO6

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Published in 2018 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2018.01.210

Abstract: Abstract We report the existence of a charge localized state in a distorted, low-temperature phase of the perovskite La2FeMnO6 below a charge localization temperature (TCL) ∼133 K, from the detailed analysis of dc resistivity, supported by… read more here.

Keywords: hopping conduction; conduction spin; conduction; spin glass ... See more keywords

Suppression of reentrant spin glass and induced zero-field-cooled exchange bias by lattice contraction in NiMnSbAl alloys

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Published in 2018 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2018.06.371

Abstract: Abstract In this work, the evolution of magnetic ground state and exchange bias (EB) with Al substitution in Ni50Mn37Sb13-xAlx Heusler alloys was investigated in detail. Al doping reduces the cell volume, enhancing antiferromagnetic interactions between… read more here.

Keywords: exchange; exchange bias; reentrant spin; spin glass ... See more keywords

Nanomagnetism variation with fluorine content in Co(OH)F

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Published in 2020 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2020.153916

Abstract: Abstract Magnetic behaviors of cobalt hydroxide fluoride, Co(OH)F2-x Fx (x = 1.09 and 1.26), which are consisted with nanorods of ∼5 μm length and diameter ∼100 nm, obtained by a facile hydrothermal method, have been researched with the variation… read more here.

Keywords: variation fluorine; fluorine content; fluorine; spin glass ... See more keywords