Geometrical frustration and competing orders in the dipolar trimerized triangular lattice
We introduce and explore low-energy configurations in two-dimensional arrays consisting of Ising-type dipolar coupled nanomagnets lithographically defined onto three-nanomagnet vertices arranged in a triangular coordination. Thus, the system is dubbed the trimerized triangular lattice. Employing syn...
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Veröffentlicht in: | Physical review. B 2021-07, Vol.104 (1), p.1, Article 014409 |
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creator | Hofhuis, Kevin Petersen, Charlotte F. Saccone, Michael Dhuey, Scott Kleibert, Armin van Dijken, Sebastiaan Farhan, Alan |
description | We introduce and explore low-energy configurations in two-dimensional arrays consisting of Ising-type dipolar coupled nanomagnets lithographically defined onto three-nanomagnet vertices arranged in a triangular coordination. Thus, the system is dubbed the trimerized triangular lattice. Employing synchrotron-based photoemission electron microscopy, we perform temperature-dependent magnetic imaging of moment configurations. These states are then characterized in terms of spin correlations and magnetic structure factors. The results reveal a competition between ferromagnetic and vortex dominated orders, which can be controlled by varying the relevant lattice parameter and the corresponding competing interactions. |
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(LBNL), Berkeley, CA (United States) ; Los Alamos National Lab. (LANL), Los Alamos, NM (United States)</creatorcontrib><description>We introduce and explore low-energy configurations in two-dimensional arrays consisting of Ising-type dipolar coupled nanomagnets lithographically defined onto three-nanomagnet vertices arranged in a triangular coordination. Thus, the system is dubbed the trimerized triangular lattice. Employing synchrotron-based photoemission electron microscopy, we perform temperature-dependent magnetic imaging of moment configurations. These states are then characterized in terms of spin correlations and magnetic structure factors. The results reveal a competition between ferromagnetic and vortex dominated orders, which can be controlled by varying the relevant lattice parameter and the corresponding competing interactions.</description><identifier>ISSN: 2469-9950</identifier><identifier>EISSN: 2469-9969</identifier><identifier>DOI: 10.1103/PhysRevB.104.014409</identifier><language>eng</language><publisher>College Park: American Physical Society</publisher><subject>Apexes ; CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY ; Configurations ; dipolar interaction ; Ferromagnetism ; frustrated magnetism ; Ising model ; Magnetic structure ; magnetic texture ; magnetism ; Photoelectric emission ; spin ice ; superparamagnetism ; Synchrotrons ; Temperature dependence</subject><ispartof>Physical review. 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subjects | Apexes CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY Configurations dipolar interaction Ferromagnetism frustrated magnetism Ising model Magnetic structure magnetic texture magnetism Photoelectric emission spin ice superparamagnetism Synchrotrons Temperature dependence |
title | Geometrical frustration and competing orders in the dipolar trimerized triangular lattice |
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