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Autori principali: Ishihara, Yuki, Nakano, Ryota, Yamada, Rinsuke, Nomoto, Takuya, Baral, Priya R., Hirschmann, Moritz M., Gautam, Kamini, Kolincio, Kamil K., Kikkawa, Akiko, Aji, Seno, Saitoh, Hiraku, Matsuda, Masaaki, Taguchi, Yasujiro, Arima, Taka-hisa, Tokura, Yoshinori, Nakajima, Taro, Hirschberger, Max
Natura: Preprint
Pubblicazione: 2026
Soggetti:
Strongly Correlated Electrons
Accesso online:https://arxiv.org/abs/2605.01447
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Sommario:
  • We determine the magnetic ground state of the kagome lattice magnet Nd3Ru4Al12 by single-crystal neutron diffraction, supported by experiments with polarized neutrons. We identify this material as a collinear ferromagnet ("hex-FM") with uniform moment length mc = 2.1 μB/Nd and ordering vector Q = 0, in contrast to a previous, seminal report that proposed unequal moment lengths on two Nd sites, here called the "ortho-FM" state. Our analysis of the flipping ratio in polarized neutron scattering is consistent with the hex-FM state. The results provide a microscopic basis for understanding the large fluctuation-induced Hall and Nernst responses near TC = 41 K, as previously reported for Nd3Ru4Al12.

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