activity
20042022
most citedUniversal scaling in the dynamical conductivity of heavy fermion Ce and Yb compounds

55 citations · 143 across the 8 of their papers we have counts for

collaborators
Showing cond-mat.str-elShow all

6 papers · 1 filter

cond-mat.str-el2018★ 13 cited

Highly anisotropic strain dependencies in PrIrZn

A. Wörl, T. Onimaru, Y. Tokiwa +4

We report thermal expansion and magnetostriction of the cubic non-Kramers system PrIrZn with a non-magnetic ground state doublet. In previous experiments…

cond-mat.str-el2007★ 12 cited

Infrared study on the electronic structure of alkaline-earth-filled skutterudites AT4Sb12 (A = Sr, Ba; M = Fe, Ru, Os)

Shin-ichi Kimura, Hojun Im, Takafumi Mizuno +3

The optical conductivity [] spectra of alkaline-earth-filled skutterudites with the chemical formula Sb ( = Sr, Ba, = Fe, Ru, Os) and a reference m…

cond-mat.str-el2006★ 10 cited

Iron-Based Heavy Quasiparticles in SrFeSb: An Infrared Spectroscopic Study

Shin-ichi Kimura, Takafumi Mizuno, Hojun Im +3

Temperature-dependent infrared reflectivity spectra of SrFeSb has been measured. A renormalized Drude peak with a heavy effective mass and a pronounced pseudogap of 10…

cond-mat.str-el2006★ 55 cited

Universal scaling in the dynamical conductivity of heavy fermion Ce and Yb compounds

H. Okamura, T. Watanabe, M. Matsunami +9

Dynamical conductivity spectra s(w) have been measured for a diverse range of heavy-fermion (HF) Ce and Yb compounds. A characteristic excitation peak has been observed in the mid-…

cond-mat.str-el2005★ 43 cited

Indirect and direct energy gaps in the Kondo semiconductor YbB12

H. Okamura, T. Michizawa, T. Nanba +3

Optical conductivity [] of the Kondo semiconductor YbB has been measured over wide ranges of temperature (=8690 K) and photon energy ( 1.3 meV). The…

cond-mat.str-el2004

Ferromagnetic Instability in AFe4Sb12 (A = Ca, Sr, and Ba)

E. Matsuoka, K. Hayashi, A. Ikeda +4

Magnetic, transport and thermal properties of AFe4Sb12 (A = Ca, Sr, Ba) are reported. All three compounds show a maximum in both the magnetic susceptibility and thermopower at 50 K…