| Autor: |
Riedl, Kira, Gati, Elena, Zielke, David, Hartmann, Steffi, Vyaselev, Oleg M., Kushch, Nataliya D., Jeschke, Harald O., Lang, Michael, Valenti, Roser, Kartsovnik, Mark V., Winter, Stephen M. |
| Rok vydání: |
2021 |
| Předmět: |
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| Zdroj: |
Phys. Rev. Lett. 127, 147204 (2021) |
| Druh dokumentu: |
Working Paper |
| DOI: |
10.1103/PhysRevLett.127.147204 |
| Popis: |
Organic salts represent an ideal experimental playground for studying the interplay between magnetic and charge degrees of freedom, which has culminated in the discovery of several spin-liquid candidates, such as $\kappa$-(ET)$_2$Cu$_2$(CN)$_3$ ($\kappa$-Cu). Recent theoretical studies indicate the possibility of chiral spin liquids stabilized by ring-exchange, but the parent states with chiral magnetic order have not been observed in this material family. In this work, we discuss the properties of the recently synthesized $\kappa$-(BETS)$_2$Mn[N(CN)$_2$]$_3$ ($\kappa$-Mn). Based on analysis of specific heat, magnetic torque, and NMR measurements combined with ab initio calculations, we identify a spin-vortex crystal order. These observations definitively confirm the importance of ring-exchange in these materials, and support the proposed chiral spin-liquid scenario for triangular lattice organics. |
| Databáze: |
arXiv |
| Externí odkaz: |
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