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The magnetization and specific heat measurements have been performed on single-crystalline Gd_3_Ru_4_Al_12_ with a distorted Kagome lattice structure. This spin system is regarded as an antiferromagnetic triangular lattice of XY like…

Strongly Correlated Electrons · Physics 2023-02-08 S. Nakamura , N. Kabeya , M. Kobayashi , K. Araki , K. Katoh , A. Ochiai

Artificial spin ices are periodic arrangements of interacting nanomagnets successfully used to investigate emergent phenomena in the presence of geometric frustration. Recently, it has been shown that artificial spin ices can be used as…

Mesoscale and Nanoscale Physics · Physics 2021-04-07 Susmita Saha , Jingyuan Zhou , Kevin Hofhuis , Attila Kákay , Valerio Scagnoli , Laura J. Heyderman , Sebastian Gliga

Artificial spin ice (ASI) are arrays on nanoscaled magnets that can serve both as models for frustration in atomic spin ice as well as for exploring new spin-wave-based strategies to transmit, process, and store information. Here, we…

Mesoscale and Nanoscale Physics · Physics 2021-02-19 Sergi Lendinez , Mojtaba T. Kaffash , M. Benjamin Jungfleisch

Artificial spin ices are metamaterials composed of interacting nanomagnets exhibiting frustration. Their resonant magnetization dynamics have been broadly investigated from fundamental and applied points of view. In this work, we realize a…

Mesoscale and Nanoscale Physics · Physics 2025-05-20 Renju R. Peroor , Lawrence Scafuri , Dmytro A. Bozhko , Ezio Iacocca

Magnetic nanoarray with special geometries exhibits nontrivial collective behaviors similar to those observed in the spin ice materials. Here we present a novel circuit model to describe the complex magnetotransport phenomena in artificial…

Mesoscale and Nanoscale Physics · Physics 2017-12-14 Gia-Wei Chern

Artificial spin ice (ASI) represents a class of uniquely structured superlattices comprising geometrically arranged interacting nanomagnets. This arrangement facilitates the exploration of magnetic frustration phenomena and related spin…

Mesoscale and Nanoscale Physics · Physics 2024-07-02 G. A. Gomez-Iriarte , D. E. Gonzalez-Chavez , R. L. Sommer , J. P. Sinnecker

Motivated by recent experimental work on FeCrAs, we study the magnetic properties of classical spin models on the hexagonal Fe$_2$P/ZrNiAl structure (space group $P{\bar{6}}2m$). When both transition metal/rare earth sites carry magnetic…

Strongly Correlated Electrons · Physics 2011-05-23 Travis E. Redpath , John M. Hopkinson , Alton A. Leibel , Hae-Young Kee

Over the past few years, the study of magnetization dynamics in artificial spin ices has become a vibrant field of study. Artificial spin ices are ensembles of geometrically arranged, interacting magnetic nanoislands, which display…

Mesoscale and Nanoscale Physics · Physics 2020-04-22 Sebastian Gliga , Ezio Iacocca , Olle G. Heinonen

The emergent concept of magnetic charge quasi-particle provides a new realm to study the evolution of magnetic properties in two-dimensional artificially frustrated magnets. We report on the exploration of magnetic phases due to various…

Mesoscale and Nanoscale Physics · Physics 2021-11-01 George Yumnam , Jiasen Guo , Deepak K. Singh

Motivated by a recent experiment on volborthite, a typical spin-$1/2$ antiferromagnet with a kagom\'{e} lattice structure, we study the magnetization process of a classical Heisenberg model on a spatially distorted kagom\'{e} lattice using…

Strongly Correlated Electrons · Physics 2021-07-26 Ryui Kaneko , Takahiro Misawa , Masatoshi Imada

Complex magnetic orders in frustrated magnets may exhibit rich melting processes when the magnet is heated toward the paramagnetic phase. We show that one may tune such melting processes by quantum fluctuations. We consider a kagome lattice…

Strongly Correlated Electrons · Physics 2020-04-15 Yao Wang , Stephan Humeniuk , Yuan Wan

Artificial spin ice systems have seen burgeoning interest due to their intriguing physics and potential applications in reprogrammable memory, logic and magnonics. Integration of artificial spin ice with functional magnonics is a relatively…

We show that periodic magnetic nanostructures (magnonic crystals) represent an ideal system for studying excitations on disordered periodical lattices because of the possibility of controlled variation of the degree of disorder by varying…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 J. Ding , M. Kostylev , A. O. Adeyeye

A highly geometrically frustrated lattice structure such as a distorted kagome (or quasikagome) structure enriches physical phenomena through coupling with the electronic structure, topology, and magnetism. Recently, it has been reported…

Strongly Correlated Electrons · Physics 2025-05-20 Akimitsu Kirikoshi , Satoru Hayami

Ferrotoroidicity, the fourth form of primary ferroic order, breaks both space and time inversion symmetry. So far, direct observation of ferrotoroidicity in natural materials remains elusive, which impedes the exploration of ferrotoroidic…

A new model of localized highly frustrated ferromagnetism is presented: kagome spin ice. By use of analytical and Monte Carlo calculations its massive groundstate entropy is evaluated. Monte Carlo calculations are also used to explore the…

Materials Science · Physics 2007-05-23 A. S. Wills , R. Ballou , C. Lacroix

Artificial magnetic honeycomb lattice provides a two-dimensional archetypal system to explore novel phenomena of geometrically frustrated magnets. According to theoretical reports, an artificial magnetic honeycomb lattice is expected to…

Mesoscale and Nanoscale Physics · Physics 2018-02-20 B. Summers , Y. Chen , A. Dahal , D. K. Singh

Artificial spin ices are engineered arrays of dipolarly coupled nanobar magnets. They enable direct investigations of fascinating collective phenomena from their diverse microstates. However, experimental access to ground states in the…

We model the dynamics of magnetization in an artificial analog of spin ice specializing to the case of a honeycomb network of connected magnetic nanowires. The inherently dissipative dynamics is mediated by the emission, propagation and…

Mesoscale and Nanoscale Physics · Physics 2012-04-16 Yichen Shen , Olga Petrova , Paula Mellado , Stephen Daunheimer , John Cumings , Oleg Tchernyshyov

The spin-wave dynamics of the ferromagnetic nanoarrays termed artificial spin ice (ASI) are known to vary depending on their magnetic microstate. However, little work has been done to characterise this relationship. Recent advances in…

Mesoscale and Nanoscale Physics · Physics 2020-01-10 Daan M. Arroo , Jack C. Gartside , Will R. Branford