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arXiv · 2007.07688

Magnetic-Field Dependence of Novel Gap Behavior Related to the Quantum-Size Effect

Tomonori Okuno·Yuta Kinoshita·Satoshi Matsuzaki·Shunsaku Kitagawa·Kenji Ishida·Michihiro Hirata·Takahiko Sasaki·Kohei Kusada·Hiroshi Kitagawa
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Abstract

$^{195}$Pt-NMR measurements of Pt nanoparticles with a mean diameter of 4.0 nm were performed in a high magnetic field of approximately $\mu_0 H = 23.3$ T to investigate the low-temperature electronic state of the nanoparticles. The characteristic temperature $T^*$, below which the nuclear spin-lattice relaxation rate $1/T_1$ deviates from the relaxation rate of the bulk, shows a magnetic-field dependence. This dependence supports the theoretical prediction of the appearance of discrete energy levels.

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Tomonori Okuno, Yuta Kinoshita, Satoshi Matsuzaki, Shunsaku Kitagawa, Kenji Ishida, Michihiro Hirata, Takahiko Sasaki, Kohei Kusada, Hiroshi Kitagawa. 2020-07-15. Magnetic-Field Dependence of Novel Gap Behavior Related to the Quantum-Size Effect. https://doi.org/10.7566/jpsj.89.095002

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