Spin glass behavior and magnetic boson peak in a structural glass of a magnetic ionic liquid.

Scientific Reports
Maiko KofuOsamu Yamamuro

Abstract

Glassy magnetic behavior has been observed in a wide range of crystalline magnetic materials called spin glass. Here, we report spin glass behavior in a structural glass of a magnetic ionic liquid, C4mimFeCl4. Magnetization measurements demonstrate that an antiferromagnetic ordering occurs at TN = 2.3 K in the crystalline state, while a spin glass transition occurs at TSG = 0.4 K in the structural glass state. In addition, localized magnetic excitations were found in the spin glass state by inelastic neutron scattering, in contrast to spin-wave excitations in the ordered phase of the crystalline sample. The localized excitation was scaled by the Bose population factor below TSG and gradually disappeared above TSG. This feature is highly reminiscent of boson peaks commonly observed in structural glasses. We suggest the "magnetic" boson peak to be one of the inherent dynamics of a spin glass state.

References

Jan 1, 1987·Physical Review. B, Condensed Matter·P SvedlindhH S Chen
Aug 1, 1988·Physical Review. B, Condensed Matter·S LequienS M Shapiro
Apr 4, 1994·Physical Review Letters·G F Zhou, H Bakker
May 4, 2011·The Journal of Physical Chemistry. B·Wei ZhengEdward L Quitevis
Apr 16, 2015·Reports on Progress in Physics·J A Mydosh
Jan 15, 2016·Physical Review Letters·M Baity-JesiS Perez-Gaviro
Jul 22, 2016·Physical Chemistry Chemical Physics : PCCP·Imanol de PedroJesús Rodríguez Fernández
Oct 30, 2016·Proceedings of the National Academy of Sciences of the United States of America·Anjana SamarakoonSeung-Hun Lee

❮ Previous
Next ❯

Citations

Oct 5, 2021·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Sudip Pal, A Banerjee

❮ Previous
Next ❯

Software Mentioned

UTSUSEMI

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.

Related Papers

Journal of Physics. Condensed Matter : an Institute of Physics Journal
Sudip PalA K Nigam
Physical Review Letters
Thibaut CapronLaurent Saminadayar
Proceedings of the National Academy of Sciences of the United States of America
Smarajit Karmakar, Giorgio Parisi
Journal of Physics. Condensed Matter : an Institute of Physics Journal
Bibekananda MajiA K Nigam
© 2021 Meta ULC. All rights reserved