Large magnetoresistance and quantum oscillations in the late transition-metal compounds <math xmlns="http://www.w3.org/1998/Math/MathML"><mrow><msub><mi>T</mi><mn>3</mn></msub><mi mathvariant="normal">I</mi><msub><mi mathvariant="normal">n</mi><mn>7</mn></msub></mrow></math> <math xmlns="http://www.w3.org/1998/Math/MathML"><mrow><mo>(</mo><mi>T</mi><mo>=</mo><mi>Ni</mi><mo>,</mo><mi>Pd</mi><mo>,</mo><mi>Pt</mi><mo>)</mo></mrow></math>

Joanna Blawat; Przemyslaw W. Swatek; Daniel Gnida; Szymon Krolak; Weiwei Xie; Tomasz Klimczuk; Dariusz Kaczorowski

doi:10.1103/22cn-4d87

Large magnetoresistance and quantum oscillations in the late transition-metal compounds $T_{3} I n_{7}$ $(T = Ni, Pd, Pt)$

Joanna Blawat ^1,2,3, Przemyslaw W. Swatek ², Daniel Gnida ², Szymon Krolak ¹, Weiwei Xie⁴, Tomasz Klimczuk¹, and Dariusz Kaczorowski ^2,*

¹Faculty of Applied Physics and Mathematics, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland
²Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Ulica Okólna 2, 50-422 Wrocław, Poland
³National High Magnetic Field Laboratory, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
⁴Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, USA

^*Contact author: d.kaczorowski@intibs.pl

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Phys. Rev. B 112, 235137 – Published 12 December, 2025

DOI: https://doi.org/10.1103/22cn-4d87

Abstract

We synthesized high-quality single crystals of $T_{3} I n_{7}, T = Ni, Pd, Pt$ , which crystallize in a body-centered-cubic $I$ m-3m space group with $T$ -metal-based dumbbells. The systematic study of electrical resistivity exhibits metallic behavior with extremely large nonsaturating magnetoresistance reaching 1500% at 14 T with profound Shubnikov–de Hass quantum oscillations. The fast Fourier transformation analysis shows multiple frequencies pointing to a complex structure of the Fermi surfaces. The large magnetoresistance is attributed to the presence of small, closed Fermi surfaces with light cyclotron masses with good agreement with theoretical calculations. We present the first experimental and theoretical study of the Fermi surface in the $T_{3} I n_{7}$ family.

Physical Review B

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Large magnetoresistance and quantum oscillations in the late transition-metal compounds $T_{3} I n_{7}$ $(T = Ni, Pd, Pt)$

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Large magnetoresistance and quantum oscillations in the late transition-metal compounds T3In7 (T=Ni,Pd,Pt)

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Large magnetoresistance and quantum oscillations in the late transition-metal compounds $T_{3} I n_{7}$ $(T = Ni, Pd, Pt)$