activity
20162021
most citedSearching for gap zeros in Sr2RuO4 via field-angle-dependent specific-heat measurement

60 citations · 285 across the 17 of their papers we have counts for

collaborators

17 papers

cond-mat.str-el2021★ 6 cited

Thin Film Growth of Heavy Fermion Chiral Magnet YbNi3Al9

Hiroaki Shishido, Akira Okumura, Tatsuya Saimyoji +3

We grew thin films of a heavy fermion chiral magnet YbNiAl by using molecular beam epitaxy. They were grown on -plane sapphire substrates under ultra-high vacuum while m…

eess.IV2020

Micro CT Image-Assisted Cross Modality Super-Resolution of Clinical CT Images Utilizing Synthesized Training Dataset

Tong Zheng, Hirohisa Oda, Masahiro Oda +5

This paper proposes a novel, unsupervised super-resolution (SR) approach for performing the SR of a clinical CT into the resolution level of a micro CT (CT). The precise non-inv…

cs.CV2020★ 1 cited

Super-resolution of clinical CT volumes with modified CycleGAN using micro CT volumes

Tong ZHENG, Hirohisa ODA, Takayasu MORIYA +7

This paper presents a super-resolution (SR) method with unpaired training dataset of clinical CT and micro CT volumes. For obtaining very detailed information such as cancer invasi…

eess.IV2019★ 2 cited

Multi-modality super-resolution loss for GAN-based super-resolution of clinical CT images using micro CT image database

Tong Zheng, Hirohisa Oda, Takayasu Moriya +6

This paper newly introduces multi-modality loss function for GAN-based super-resolution that can maintain image structure and intensity on unpaired training dataset of clinical CT…

cond-mat.str-el2019★ 11 cited

Field-Orientation Effect on Ferro-Quadrupole Order in PrTi2Al20

Shunichiro Kittaka, Takanori Taniguchi, Kazumasa Hattori +7

Ferro-quadrupole (FQ) order in the non-Kramers doublet system PrTiAl has been investigated via angle-resolved measurements of the specific heat, rotational magneto…

cond-mat.str-el2019★ 23 cited

Field-Induced Switching of Ferro-Quadrupole Order Parameter in PrTi2Al20

Takanori Taniguchi, Kazumasa Hattori, Makoto Yoshida +8

We report magnetic-field-induced first-order phase transitions in the ferro-quadrupole (FQ) ordered state of PrTi2Al20, in which non-Kramers Pr3+ ions with two 4f electrons have a…

cond-mat.supr-con2018★ 16 cited

Disorder-sensitive node-like small gap in FeSe

Yue Sun, Shunichiro Kittaka, Shota Nakamura +8

We investigate the band structure, nematic state and superconducting gap structure of two selected FeSe single crystals containing different amount of disorder. Transport and angle…

cond-mat.supr-con2018★ 60 cited

Searching for gap zeros in Sr2RuO4 via field-angle-dependent specific-heat measurement

Shunichiro Kittaka, Shota Nakamura, Toshiro Sakakibara +9

The gap structure of SrRuO, which is a longstanding candidate for a chiral p-wave superconductor, has been investigated from the perspective of the dependence of its specif…

cond-mat.str-el2018★ 12 cited

Field-rotational magnetocaloric effect: A new experimental technique for accurate measurement of the anisotropic magnetic entropy

Shunichiro Kittaka, Shota Nakamura, Hiroaki Kadowaki +2

We developed a new technique for measuring the thermodynamic entropy as a function of the magnetic field angle. This technique enables high-resolution angle-resolved measurements o…

cs.CV2018★ 36 cited

Unsupervised Segmentation of 3D Medical Images Based on Clustering and Deep Representation Learning

Takayasu Moriya, Holger R. Roth, Shota Nakamura +4

This paper presents a novel unsupervised segmentation method for 3D medical images. Convolutional neural networks (CNNs) have brought significant advances in image segmentation. Ho…

cs.CV2018★ 9 cited

Unsupervised Pathology Image Segmentation Using Representation Learning with Spherical K-means

Takayasu Moriya, Holger R. Roth, Shota Nakamura +4

This paper presents a novel method for unsupervised segmentation of pathology images. Staging of lung cancer is a major factor of prognosis. Measuring the maximum dimensions of the…

cond-mat.str-el2017★ 25 cited

Wing structure in the phase diagram of the Ising Ferromagnet URhGe close to its tricritical point investigated by angle-resolved magnetization measurements

Shota Nakamura, Toshiro Sakakibara, Yusei Shimizu +5

High-precision angle-resolved dc magnetization and magnetic torque studies were performed on a single-crystalline sample of URhGe, an orthorhombic Ising ferromagnet with the ax…

cond-mat.supr-con2017★ 30 cited

Quasiparticle Excitations and Evidence for Superconducting Double Transitions in Monocrystalline U0.97Th0.03Be13

Yusei Shimizu, Shunichiro Kittaka, Shota Nakamura +5

Superconducting (SC) gap symmetry and magnetic response of cubic U0.97Th0.03Be13 are studied by means of high-precision heat-capacity and dc magnetization measurements using a sing…

cond-mat.supr-con2017★ 37 cited

Gap structure of FeSe determined by field-angle-resolved specific heat measurements

Yue Sun, Shunichiro Kittaka, Shota Nakamura +6

Quasiparticle excitations in FeSe were studied by means of specific heat () measurements on a high-quality single crystal under rotating magnetic fields. The field dependence of…

cs.CV2017

Multi-scale Image Fusion Between Pre-operative Clinical CT and X-ray Microtomography of Lung Pathology

Holger R. Roth, Kai Nagara, Hirohisa Oda +4

Computational anatomy allows the quantitative analysis of organs in medical images. However, most analysis is constrained to the millimeter scale because of the limited resolution…

cond-mat.str-el2016★ 12 cited

Thermodynamic Investigation of Metamagnetic Transitions and Partial Disorder in the Quasi-Kagome Kondo Lattice CePdAl

Kenji Mochidzuki, Yusei Shimizu, Akihiro Kondo +7

Low-temperature () thermodynamic properties in magnetic fields () of the quasi-Kagome antiferromagnet CePdAl ( 2.7 K) were studied by means of magnetization an…

cond-mat.str-el2016★ 5 cited

Superconductivity and non-Fermi-liquid behavior in the heavy-fermion compound CeCoNiIn

Ryo Otaka, Makoto Yokoyama, Hiroaki Mashiko +8

The effect of off-plane impurity on superconductivity and non-Fermi-liquid (NFL) behavior in the layered heavy-fermion compound CeCoNiIn is investigated by specific…