Temperature Dependent Local Structure of A-Site Ordered Perovskite CaCu3Ti4O12 Measured by X-Ray Fluorescence Holography

M. Asari, H.J. Im, T. Watanabe, N. Happo, K. Kimura, K. Hayasi, S. Hosokawa, Y. Tezuka

Photon Factory Activity Report 2020   38   177 - 177   2021.7

Temperature dependence of the electronic structure of A-site ordered perovskite CaCu3Ti4O12: Angle-integrated and -resolved photoemission studies

H. J. Im, T. Sakurada, M. Tsunekawa, T. Watanabe, H. Miyazaki, S. Kimura

Solid State Communications   298   113648   2019.8

Local Structure Study of A-site Ordered Perovskite CaCu3Ti4O12 by means of X-ray Fluorescence Holography

H. Kamide, H.J. Im, T. Watanabe, N. Happo, K. Kimura, K. Hayashi, S. Hosokawa, Y. Tezuka

Photon Factory Activity Report 2018   36   2019.7

Growth and Raman spectroscopy of thickness-controlled rotationally faulted multilayer graphene

H. Kato, N. Itagaki, H. J. Im

Carbon   141   76 - 82   2019.1

Temperature Dependent O K Resonant X-ray Emission Spectra of CaCu3Ti4O12

Y. Tezuka, H. Kamide, H.J. Im, T. Watanabe, N. Nakajima

Photon Factory Activity Report 2017   35   283   2018.7

Electronic structure study of CaCu3Ti4O12 by means of X-ray Raman scattering

Y. Tezukaa, Y. Yokouchi, S. Sasaki, S. Nakamoto, K. Nishiyama, M. Mikami, H.J. Im,T. Watanabe, S. Nozawa, N. Nakajima, T. Iwazumi

Journal of Electron Spectroscopy and Related Phenomena   220   114 - 117   2017.10

Temperature Dependent Electronic Structure Study of CaCu3Ti4O12 by Means of X-Ray Raman Scattering

K. Nishiyama, S. Nakamoto, H. Im, T. Watanabe, S. Nozawa, N. Nakajima, T. Iwazumi, Y. Tezuka

Photon Factory Activity Report 2016   #34-B   286   2017.7

Electronic Structure Study of CaCu3Ti4O12 by means of Soft X-ray Raman Scattering

S. Nakamoto, K Nishiyama, H. Im, T. Watanabe, N. Nakajima, and Y. Tezuka

Photon Factory Activity Report 2015   #33-B   378   2016.7

Electronic Structure Study of CaCu3Ti4O12 by means of X-ray Raman Scattering

Y. Yokouchi, M. Mikami, H. Im, T. Watanabe, S. Nozawa, N. Nakajima, T. Iwazumi, Y. Tezuka

Photon Factory Activity Report 2014   #32-B   195   2015.12

Electronic structure of Mott-insulator CaCu3Ti4O12: Photoemission and inverse photoemission study

H. J. Im, M. Iwataki, S. Yamazaki, T. Usui, S. Adachi, M. Tsunekawa, T. Watanabe, K. Takegahara, S. Kimura, M. Matsunami, H. Sato, H. Namatame, M. Taniguchi

Solid State Communications   217   17 - 20   2015.9

Fermi Surface Variation of Ce 4f-electrons in Hybridization Controlled Heavy-Fermion Systems

H. J. Im, T. Ito, H. Miyazaki, S. Kimura, Y. S. Kwon, Y. Saitoh, S.-I. Fujimori, A. Yasui, H. Yamagami

Solid State Communications   209-210   45 - 48   2015.5

Electronic Structure Study of CaCu3Ti4O12 by means of X-ray Raman Scattering

Y. Tezuka, M. Mikami, Y. Yokouchi, H. Im, T. Watanabe, S. Nozawa, N. Nakajima, T. Iwazumi

Photon Factory Activity Report 2013   #31-B   323   2014.12

Photoemission study of CaCu3Ru4O12

H. J. Im, M. Iwataki, M. Tsunekawa, T. Watanabe, M. Matsunami, S. Kimura

UVSOR Activity Report   41   136 - 136   2014.7

Strong correlation effects in the A-site ordered perovskite CaCu3Ti4O12 revealed by angle-resolved photoemission spectroscopy

H. J. Im, M. Tsunekawa, T. Sakurada, M. Iwataki, K. Kawata, T. Watanabe, K. Takegahara, H. Miyazaki, M. Matsunami, T. Hajiri, S. Kimura

Physical Review B   88   205133-1 - 205133-5   2013.11

Angle-resolved photoemission study of CaCu3Ti4O12

H. J. Im, M. Tsunekawa, T. Sakurada, M. Iwataki, K. Kawata, T. Watanabe, K. Takegahara, H. Miyazaki, M. Matsunami, T. Hajiri, and S. Kimura

UVSOR Activity Report   40   100   2013.8

Temperature Dependent Photoemission Spectra of CaCu3Ti4O12

H. J. Im, T. Sakurada, M. Tsunekawa, K. Kawata, T. Watanabe, H. Miyazaki, S. Kimura

UVSOR activity report 2011   90 - 90   2012.6

A Photon Energy-Dependent Angle-Resolved Photoemission Study of CaCu3Ti4O12

H. J. Im, T. Sakurada, M. Tsunekawa, M. Toita, T. Watanabe, K, Takegahara, H. Miyazaki, S. Kimura

UVSOR activity report 2010   87 - 87   2011.6

La-doped EuO: A Rare Earth Ferromagnetic Semiconductor with the Highest Curie Temperature

H. Miyazaki, H. J. Im, K. Terashima, S. Yagi, M. Kato, K. Soda, T. Ito, S. Kimura

Applied Physics Letters   96   232503-1 - 232503-3   2010.6

Ce 4d-4f resonant angle resolved photoemission studies on quantum criticality in heavy-fermion Ce112 systems

H. J. Im, H. Miyazaki, T. Ito, S. Kimura, K. E. Lee, Y. S. Kwon

UVSOR activity report 2009   96 - 96   2010.6

Change of lattice constant due to the hybridization effect of a ferromagnetic semiconductor EuO

H. Miyazaki, T. Ito, H. J. Im, K. Terashima, T. Iizuka, S. Yagi, M. Kato, K. Soda, S. Kimura

Journal of Physics: Conference Series   200   012124-1 - 012124-4   2010.2

First-Principles Local-Density Approximation Study of Electronic Structure in CeCoSi2

A. Yasui, H. Yamagami, H. J. Im

The Journal of the Physical Society of Japan   78   104705-1 - 104705-4   2009.9

Direct Observation of Momentum-Dependent Exchange Interaction in a Heisenberg Ferromagnet

H. Miyazaki, T. Ito, H.J. Im, S. Yagi, M. Kato, K. Soda, S. Kimura

Physical Review Letters   102   227203-1 - 227203-4   2009.6

In Situ Magnetic Circular Dichroism Experiment on Ferromagnetic Semiconductor EuO Thin Films

H. Miyazaki, T. Ito, K. Terashima, H. J. Im, Y, Takagi, T. Nakagawa, Y. Yamamoto, S. Kimura, S. Yagi, M. Kato, K. Soda, T. Yokoyama

UVSOR Activity Report 2008   86 - 86   2009.6

Ce 4d-4f Resonant Photoemission Studies in Ce Dilute Kondo System

H. J. Im, M. Tsunekawa, H. Miyazaki, T. Ito, S. Kimura, K. E. Lee, J. B. Hong, Y. S. Kwon

UVSOR Activity Report 2008   87 - 87   2009.6

Temperature Depedent Angle-Resolved Photoemission Spectra of La-Doped EuO

H. Miyazaki, T. Ito, K. Terashima, H. J. Im, S. Yagi, M. Kato, K. Soda, S. Kimura

UVSOR Activity Report 2008   91 - 91   2009.6

Pressure-Dependent Far-Infrared Reflectivity Spectra of CeIn3 at 9K

T. Iizuka, T. Mizuno, C. I. Lee, K. E. Lee, H. J. Im, Y. S. Kwon, S. Kimura

UVSOR Activity Report 2008   94 - 94   2009.6

Crystalline electric field effects in Ce 3d core-level spectra of heavy-fermion systems: Hard x-ray photoemission spectroscopy on CeNi1-xCoxGe2

H.J. Im, T. Ito, S. Kimura, H.-D. Kim, J.B. Hong, Y.S. Kwon

Physical Review B   79   193105-1 - 193105-4   2009.5

Single Crystal Growth and Magnetic, Optical, and Photoelectrical Properties of EuO Thin Film

H. Miyazaki, T. Ito, H.J. Im, K. Terashima, S. Yagi, M. Kato, K. Soda, S. Kimura

The Japanese Journal of Applied Physics   48   055504-1 - 055504-4   2009.5

Optical properties of the charge-density-wave compound CeTe2

K.E. Lee, C.I. Lee, H.J. Oh, M.A. Jung, B.H. Min, H.J. Im, T. Izuka, Y.S. Lee, S. Kimura, Y.S. Kwon

Physical Review B   78   134408-1 - 134408-5   2008.10

Optical evidence for a change in the heavy electron Fermi surface at a magnetic quantum critical point of CeNi1-xCoxGe2

K.E. Lee, C.I. Lee, H.J. Oh, H.J. Im, Tuson Park, S. Kimura, Y.S. Kwon

Journal of Physics: Condensed Matter   20   285202-1 - 285202-5   2008.6

Momentum-Dependent Kondo Resonance Peaks in a Low-Energy Angle-Resolved Photoemission Spectroscopy

H.J. Im, T. Ito, H. Miyazaki, S. Kimura, C.I. Lee, K.E. Lee, Y.S. Kwon

UVSOR Activity Report 2007   124 - 124   2008.6

Ce and Gd 4d-4f Resonant Photoemission Studies of Ce1-xGdxCoSi3

H.J. Im, H. Miyazaki, T. Ito, S. Kimura, J.B. Hong, Y.S. Kwon

UVSOR Activity Report 2007   119 - 119   2008.6

Evidence of Three-Dimensional CDW Formation on CeTe2

T. Ito, H.J. Im, S. Kimura, Y.S. Kwon

UVSOR Activity Report 2007   125 - 125   2008.6

Temperature Dependent Angle-Resolved Photoemission Spectra on Ferromagnetic EuO Thin Films

H. Miyazaki, T. Ito, S. Ota, H.J. Im, S. Yagi, M. Kato, K. Soda, S. Kimura

UVSOR Activity Report 2007   121 - 121   2008.6

Infrared Spectroscopy of CeIn3 under a pressure

T. Iizuka, T. Mizuno, K. E. Lee, H. J. Im, Y. S. Kwon, S. Kimura

UVSOR Activity Report 2007   91   2008.6

Hybridization gap-open in CeIn3

C.I. Lee, K.E. Lee, Y.Y. Song, H.J. Im, S. Kimura, Y.S. Kwon

Infrared Physics & Technology   51   488 - 490   2008.5

Dramatic Change of Optical Properties at a Quantum Critical Point in the Heavy Fermion System CeNi1-xCoxGe2

Y.Y. Song, K.E. Lee, J.B. Hong, H.J. Im, S. Kimura, Y. S. Kwon

Infrared Physics & Technology   51   485 - 487   2008.5

Direct observation of dispersive Kondo resonance peaks in a heavy-fermion system

H.J. Im, T. Ito, H.-D. Kim, S. Kimura, K.E. Lee, J.B. Hong, Y.S. Kwon, A. Yasui, H. Yamagami

Physical Review Letters   100   176402-1 - 176402-4   2008.5

Geometrically frustrated magnetic system Ce5-xLaxNi2Si3

K.E. Lee, H.J. Im, M.H. Jung, Y.S. Kwon

Physica B   403   1450 - 1452   2008.4

Magnetic ordering in frustrated Pr5Ni2Si3

K.E. Lee, H.J. Im, M.H. Jung, Y.S. Kwon

Physica B   403   1423 - 1425   2008.4

Angle-resolved photoemission study on EuO thin films

H. Miyazaki, T. Ito, S, Ota, H.J. Im, S. Yagi, M. Kato, K. S. Kimura

Physica B   403   917 - 918   2008.4

Anomaly in Ce1-xGdxCoSi3

J.B. Hong, N.A. Lee, H.J. Im, M.H. Jung, Y.S. Kwon

Physica B   403   911 - 913   2008.4

Infrared study on the electronic structure of the alkaline-earth-filled skutterudites AM4Sb12 (A=Sr, Ba; M=Fe, Ru, Os)

S. Kimura, H.J. Im, T. Mizuno, S. Narazu, E. Matsuoka, T. Takabatake

Physical Review B   75   245106-1 - 245106-6   2007.6

Performance of the Three-dimensional VUV Angle-resolved Photoemission Apparatus at BL7U

T. Ito, S. Kimura, M. Sakai, N. Kondo, T. Horigome, H. Im, H. Miyazaki, K. Soda

UVSOR Activity Report 2006   52 - 52   2007.6

Angle-resolved Photoemission Study of CeCoGe1.2Si0.8 in the Three-dimensional Momentum space

H.J. Im, T. Ito, S. Kimura, J.B. Hong, Y.S. Kwon

UVSOR Activity Report 2006   94 - 94   2007.6

Three-Dimensional Angle-Resolved Photoemission Study on EuO thin films

H. Miyazaki, T. Ito, S. Ota, H. J. Im, S. Yagi, M. Kato, K. Soda, S. Kimura

UVSOR Activity Report 2006   111 - 111   2007.6

Construction of a VUV Angle-resolved Photoemission Beamline BL7U

S. Kimura, T. Ito, M. Sakai, E. Nakamura, N. Kondo, T. Horigome, M. Hosaka, A. Mochihashi, M. Katoh, T. Ejima, H.J. Im, H. Miyazaki, K. Soda

UVSOR Activity Report 2006   50 - 50   2007.6

Hybridization gap collapse at a quantum critical point of CeNi1-xCoxGe2

Y.S. Kwon, K.E. Lee, M.A. Jung, E.Y. Song, H.J. Oh, H.J. Im, S. Kimura

Journal of Magnetism Magnetic Materials   310   310 - 312   2007.3

Three-dimensional Fermi surface of CeTe2 studied by angle-resolved photoemission

T. Ito, H.J. Im, S Kimura, Y.S. Kwon

Journal of Magnetism Magnetic Materials   310   431 - 433   2007.3

Electronic structure of CeNiGe2-xSix studied by resonant photoemission

H.J. Im, T. Ito, H.D. Kim, S Kimura, J.B. Hong, Y.S. Kwon

Journal of Magnetism Magnetic Materials   310   411 - 413   2007.3

Magnetic-field-induced superconductor-insulator-metal transition in an organic conductor: An infrared magneto-optical imaging spectroscopic study

T. Nishi, S. Kimura, T. Takahashi, H.J. Im, Y.S. Kwon, T. Ito, K. Miyagawa, H. Taniguchi, A. Kawamoto, K. Kanoda

Physical Review B   75   014525-1 - 014525-5   2007.1

BL5U at UVSOR-II for three-dimensional angle-resolved photoemission spectroscopy

T. Ito, S. Kimura, H.J. Im, E. Nakamura, M. Sakai, T. Horigome, K. Soda, T. Takeuchi

AIP Conference Proceedings   879   587 - 590   2007.1

Infrared study on electronic structure of SrT4Sb12 (T = Fe, Ru)

S. Kimura, H.J. Im, Y. Sakurai, T. Mizuno, K. Takegahara, H. Harima, K. Hayashi, E. Matsuoka, T. Takabatake

Physica B   383   137 - 139   2006.8

Iron-Based Heavy Quasiparticles in SrFe4Sb12: An Infrared Spectroscopic Study

S. Kimura, T. Mizuno, H.J. Im, K. Hayashi, E. Matsuoka, T. Takabatake

Physical Review B   73   214416-1 - 214416-5   2006.6

Three-dimensional angle-resolved photoemission study on CeTe2

T. Ito, H.J. Im, S. Kimura, Y.S. Kwon

UVSOR activity report 2005   100   2006.6

Electronic structure of CeNiGe2-xSix: Ce 4d-4f resonant photoemission spectroscopy

H.J. Im, T. Ito, S Kimura, H.-D. Kim, J.B. Hong, Y.S. Kwon

UVSOR activity report 2005   98 - 98   2006.6

Optical pseudogap from iron states in AFe4Sb12 (A = Yb, Ca, Ba)

J. Sichelschmidt, H.J. Im, S. Kimura, V. Voevodin, H. Rosner, W. Schnelle, A. Leithe-Jasper, J.A. Mydosh, Yu. Grin, F. Steglich

UVSOR activity report 2005   63 - 63   2006.6

Three-dimensional angle-resolved photoemission study on SmS

T. Ito, H.J. Im, A. Chainani, K. Matsubayashi, S. Kimura, H.-D. Kim, K. Imura, H. Suzuki, N.K. Sato

UVSOR activity report 2005   99 - 99   2006.6

Angle-resolved photoemission study on CeTe2

T. Ito, H.J. Im, S. Kimura, Y.S. Kwon

Physica B   378-380   767 - 768   2006.5

High-resolution photoemission spectroscopy of CeNiGe2 and CeCoGe2

H.J. Im, T. Ito, S. Kimura, J.B. Hong, Y.S. Kwon

Physica B   378-380   825 - 826   2006.5

Infrared absorption in heavy 　Fermion system CeNi1-xCoxGe2

Y.S. Kwon, J.B. Hong, H.J. Im, T. Nishi, S. Kimura

Physica B   378-380   823 - 824   2006.5

Optical Pseudogap from Iron States in Filled Skutterudites AFe4Sb12 (A = Yb and Ca, Ba)

J. Sichelschmidt, V. Voevodin, H.J. Im, S. Kimura, H. Rosner, A. Leithe-Jasper, W. Schnelle, U. Burkhardt, J.A. Mydosh, Yu. Grin, F. Steglich

Physical Review Letters   96   037406-1 - 037406-4   2006.1

Continuity of Ce 4f electronic structure across the quantum critical point: A resonant photoemission study on CeNi1-xCoxGe2

H.J. Im, T. Ito, J.B. Hong, S. Kimura, Y.S. Kwon

Physical Review B   72   220405(R)-1 - 220405(R)-4   2005.12

Infrared spectroscopy under multiextreme conditions: Direct observation of pseudo gap formation and collapse in CeSb

T. Nishi, S. Kimura, T. Takahashi, Y. Mori, Y.S. Kwon, H.J. Im, H. Kitazawa

Physical Review B   71   220401(R)-1 - 220401(R)-4   2005.6

Three-Dimensional Band Dispersion of CeTe2

T. Ito, H.J. Im, S. Kimura, Y.S. Kwon

UVSOR activity report 2004   99 - 99   2005.6

Ce 4d-4f resonant photoemission spectroscopy on CeNi1-xCoxGe2

H.J. Im, T. Ito, B.K. Lee, S. Kimura, Y.S. Kwon

UVSOR activity report 2004   100 - 100   2005.6

Improvement of the SGM-TRAIN Monochromator at UVSOR-II BL5U for Low Excitation Energy Photoemission

T. Ito, H.J. Im, S. Kimura, E. Nakamura, T. Horigome

UVSOR activity report 2004   41 - 41   2005.6

The origin of the phase separation in partially deuterated κ-(ET)2Cu[N(CN)2]Br Studied by infrared magneto-microspectroscopy

T. Nishi, S. Kimura, T. Takahashi, T. Ito, H.J. Im, Y.S. Kwon, K. Miyagawa, H. Taniguchi, A. Kawamoto, K. Kanoda

Solid State Communications   134   189 - 193   2005.4

Infrared study on CeSb under high pressures

S. Kimura, T. Nishi, Y. Mori, Y. Sumida, T. Takahashi, Y.S. Kwon, H.J. Im, H. Kitazawa

Physica B   359-361   190 - 192   2005.4

Electrical and magnetic properties of the new Kondo-lattice compound Ce3Pd4Ge4

H.J. Im, Y.S. Kwon, M.H. Jung

Solid State Communications   124   181 - 183   2002.10

Magnetic and transport properties of the antiferromagnetic dense Kondo lattice system Ce2CuxNi1-xGe6

H.J. Im, B.H. Min, Y.S. Kwon, D.L. Kim, H.-C. Ri

Physica B   312-313   197 - 199   2002.3

Transport properties in low carrier system CeTe2

B.H. Min, E.D. Moon, H.J. Im, S.O. Hong, Y.S. Kwon, D.L. Kim, H.-C. Ri

Physica B   312-313   205 - 207   2002.3