DOAJ Open Access 2025

Unusual 5f magnetism in new kagome material UV6Sn6

S. M. Thomas C. S. Kengle W. Simeth Chan-young Lim Z. W. Riedel +13 lainnya

Abstrak

Abstract Materials in the family RV6Sn6 (R = rare earth) provide a unique platform to investigate the interplay between local moments from R layers and nonmagnetic vanadium kagome layers. Yet, the investigation of actinide members remains scarce. Here we report the synthesis of UV6Sn6 single crystals through the self-flux technique. Physical property measurements reveal two uranium-driven antiferromagnetic transitions at T N1 = 29 K and T N2 = 24 K, a complex field-temperature phase diagram, and unusual negative domain-wall magnetoresistance. Specific heat and angle-resolved photoemission spectroscopy measurements show a moderate f-electron enhancement to the density of states at the Fermi level (E F ), whereas our band structure calculations place the vanadium flat bands 0.25 eV above E F . These findings point to a materials opportunity to expand the uranium 166 family with the goal of enhancing correlations by tuning 5f and 3d flat bands to E F .

Topik & Kata Kunci

Materials of engineering and construction. Mechanics of materials Atomic physics. Constitution and properties of matter

Penulis (18)

S. M. Thomas

C. S. Kengle

W. Simeth

Chan-young Lim

Z. W. Riedel

K. Allen

A. Schmidt

M. Ruf

Seonggeon Gim

J. D. Thompson

F. Ronning

A. O. Scheie

C. Lane

J. D. Denlinger

S. Blanco-Canosa

Jian-Xin Zhu

E. D. Bauer

P. F. S. Rosa

Format Sitasi

APA MLA BibTeX

Thomas, S.M., Kengle, C.S., Simeth, W., Lim, C., Riedel, Z.W., Allen, K. et al. (2025). Unusual 5f magnetism in new kagome material UV6Sn6. https://doi.org/10.1038/s41535-025-00783-2

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Informasi Jurnal

Tahun Terbit: 2025
Sumber Database: DOAJ
DOI: 10.1038/s41535-025-00783-2
Akses: Open Access ✓