Kyoko Ishizaka (email address: Please replace '[at]' by '@')
Affiliation Quantum-Phase Electronics Center, School of Engineering, The University of Tokyo
Biography
~03/1995 Senior High School at Otsuka, University of Tsukuba
~03/1999 Department of Applied Physics, The University of Tokyo
~03/2001 Department of Applied Physics, The University of Tokyo, Masters in Engineering
~03/2004 Department of Applied Physics, The University of Tokyo, Doctors in Engineering
~04/2004 Researc Scientist, Quantum-Phase Electronics Center, School of Engineering, The University of Tokyo
~07/2004 Reseach Associate, The Institute for Solid State Physics, The University of Tokyo
~01/2010 Associate professor, Department of Applied Physics, School of Engineering, The University of Tokyo
04/2014- Associate professor, Quantum-Phase Electronics Center, School of Engineering, The University of Tokyo
Community Japan Physical Society, American Physical Society
Contact TEL: +81- 3-5841-6849, email: ishizaka[at]ap.t.u-tokyo.ac.jp
Original papers
1. T. Shimojima, Y. Suzuki, T. Sonobe, A. Nakamura, M. Sakano, J. Omachi, K. Yoshioka, M. Kuwata- Gonokami, K. Ono, H. Kumigashira, A. E. B¨ohmer, F. Hardy, T. Wolf, C. Meingast, H. v. L¨ohneysen, H. Ikeda, and K. Ishizaka, “Lifting of xz/yz orbital degeneracy at the structural transition in detwinned FeSe”, Phys. Rev. B Vol. 90, pp. 121111(R)-1-5 (29 Septempber 2014).
2. Tetsuya Kambe, Ryota Sakamoto, Tetsuro Kusamoto, Tigmansu Pal, Naoya Fukui, Ken Hoshiko, Takahiro Shimojima, Zhengfei Wang, Toru Hirahara, Kyoko Ishizaka, Shuji Hasegawa, Feng Liu, and *Hiroshi Nishihara,“Redox Control and High Conductivity of Nickel Bis(dithiolene) Complex π -Nanosheet: A Potential Organic Two-Dimensional Topological Insulator”, J. Am. Chem. Soc., Vol. 136, pp. 14357-14360 (24, September 2014).
3. R. Suzuki*, M. Sakano*, Y. J. Zhang, R. Akashi, D. Morikawa, A. Harasawa, K. Yaji, K. Kuroda, K. Miyamoto, T. Okuda, *K. Ishizaka, R. Arita, and Y. Iwasa, “Valley-dependent spin polarization in bulk MoS2 with broken inversion symmetry”, Nature Nanotechnology Vol. 9, pp. 611-617 (27 July 2014). (equally contributed)
4. T. Shimojima, T. Sonobe, W. Malaeb, K. Shinada, A. Chainani, S. Shin, T. Yoshida, S. Ideta, A. Fujimori, H. Kumigashira, K. Ono, Y. Nakashima, H. Anzai, M. Arita, A. Ino, H. Namatame, M. Taniguchi, M. Nakajima, S. Uchida, Y. Tomioka, T. Ito, K. Kihou, C. H. Lee, A. Iyo, H. Eisaki, K. Ohgushi, S. Kasahara, T. Terashima, H. Ikeda, T. Shibauchi, Y. Matsuda, and K. Ishizaka, “Pseudogap formation above the superconducting dome in iron pnictides”, Phys. Rev. B Vol. 89, No. 4, pp. 045101-1-10 (January 2014)
5. S. Ideta, T. Yoshida, M. Nakajima, W. Malaeb, T. Shimojima, K. Ishizaka, A. Fujimori, H. Kimigashira, K. Ono, K. Kihou, Y. Tomioka, C. H. Lee, A. Iyo, H. Eisaki, T. Ito, S. Uchida, “Effects of Zn substitution on the electronic structure of BaFe2As2 revealed by angle-resolved photoemission spectroscopy”, Phys. Rev. B Vol. 87, No. 20, pp. 201110-1-5 (May 2013)
6. M. Sakano, M. S. Bahramy, A. Katayama, T. Shimojima, H. Murakawa, Y. Kaneko, W. Malaeb, S. Shin, K. Ono, H. Kumigashira, R. Arita, N. Nagaosa, H. Y. Hwang, Y. Tokura, and K. Ishizaka, “Strongly Spin-Orbit Coupled Two-Dimensional Electron Gas Emerging near the Surface of Polar Semiconductors”, Phys. Rev. Lett. Vol. 110, No. 10, pp. 107204-1-5 (Mar. 2013)
7. K. Koizumi, K. Ishizaka, T. Kiss, R. Kato, and S. Shin, “Bulk-Sensitive Angle-Resolved Photoemission Spectroscopy on TTF-TCNQ”, J.Phys. Soc. Jpn. Vol. 82, No. 2, pp. 025004-1-2 (Feb. 2013)
8. M. Uchida, Y. Yamasaki, Y. Kaneko, K. Ishizaka, J. Okamoto, H. Nakao, Y. Murakami, and Y. Tokura, “Pseudogap-related charge dynamics in the layered nickelate R2-xSrxNiO4 (x~1)”, Phys. Rev. B Vol. 86, No. 16, pp.165126-1-6 (Oct. 2012)
9. T. Kiss, A. Chainani, H. M. Yamamoto, T. Miyazaki, T. Akimoto, T. Shimojima, K. Ishizaka, S. Watanabe, C.–T. Chen, A. Fukaya, R. Kato and S. Shin, "Quasiparticles and Fermi liquid behavior in an organic metal", Nature Commun. Vol. 3, pp. 1089-1-6 (Sep. 2012)
10. M. Sakano, J. Miyawaki, A. Chainani, Y. Takata, T. Sonobe, T. Shimojima, M. Oura, S. Shin, M. S. Bahramy, R. Arita, N. Nagaosa, H. Murakawa,Y. Kaneko, Y. Tokura, and K. Ishizaka, “Three-dimensional bulk band dispersion in polar BiTeI with giant Rashba-type spin splitting”, Phys. Rev. B Vol. 86, No. 8, pp. 085204-1-5 (Aug. 2012)
11. T. Shimojima, F. Sakaguchi, K. Ishizaka, Y. Ishida, W. Malaeb, T. Yoshida, S. Ideta, A. Fujimori, T. Kiss, M. Okawa, T. Togashi, C. T. Chen, S. Watanabe, Y. Nakashima, A. Ino, H. Anzai, M. Arita, K. Shimada, H. Namatame, M. Taniguchi, S. Kasahara, T. Terashima, T. Shibauchi, Y. Matsuda, M. Nakajima, S. Uchida, K. Kihou, C. H. Lee, A. Iyo, H. Eisaki, A. Chainani, and S. Shin , “Angle-resolved photoemission study on the superconducting iron-pnictides of BaFe2(As, P)2 with low energy photons”, Solid State Communications Vol. 152, No. 8, pp. 695-700 (Apr. 2012)
12. M. Uchida, K. Ishizaka, P. Hansmann, X. Yang, M. Sakano, J. Miyawaki, R. Arita, Y. Kaneko, Y. Takata, M. Oura, A. Toschi, K. Held, A. Chainani, O. K. Andersen, S. Shin, and Y. Tokura , "Orbital characters of three-dimensional Fermi surfaces in Eu2-xSrxNiO4 as probed by soft-x-ray angle-resolved photoemission spectroscopy", Phys. Rev. B Vol. 84, No.24, pp. 241109-1-5 (Dec. 2011)
13. K. Ishizaka, M. S. Bahramy, H. Murakawa, M. Sakano, T. Shimojima, T. Sonobe, K. Koizumi,S. Shin, H. Miyahara, A. Kimura, K. Miyamoto, T. Okuda, H. Namatame, M. Taniguchi, R. Arita, N. Nagaosa, K. Kobayashi, Y. Murakami, R. Kumai, Y. Kaneko, Y. Onose, and Y. Tokura, "Giant Rashba-type spin splitting in bulk BiTeI", Nature Mater. Vol. 10, No. 7, pp. 521-526 (Jul. 2011)
14. A.F. Santander-Syro, M. Ikeda, T. Yoshida, A. Fujimori, K. Ishizaka, M. Okawa, S. Shin, B. Liang, A. Zimmers, R.L. Greene, N. Bontemps , “Two-Fermi-Surface Superconducting State and a Nodal d-Wave Energy Gap of the Electron-Doped Sm1.85Ce0.15CuO4-d Cuprate Superconductor”, Phys. Rev. Lett. Vol. 106, No. 19, pp. 197002-1-4 (May 2011)
15. P. A. Bhobe, A. Chainani, M. Taguchi, R. Eguchi, M. Matsunami, T. Ohtsuki, K. Ishizaka, M. Okawa, M. Oura, Y. Senba, H. Ohashi, M. Isobe, Y. Ueda, and S. Shin, "Electronic structure of an antiferromagnetic metal: CaCrO3", Phys. Rev. B Vol. 83,No. 16, pp. 165132-1-4 (Apr. 2011)
16. T. Shimojima, F. Sakaguchi, K. Ishizaka, Y. Ishida, T. Kiss, M. Okawa, T. Togashi, C.-T. Chen, S. Watanabe, M. Arita, K. Shimada, H. Namatame, M. Taniguchi, K. Ohgushi, S. Kasahara, T. Terashima, T. Shibauchi, Y. Matsuda, A. Chainani, and S. Shin, "Orbital-Independent Superconducting Gaps in Iron-Pnictides", Science Vol. 332, No. 6029, pp. 564-567 (Apr. 2011)
17. Y. Okada, T. Kawaguchi, M. Okawa, K. Ishizaka, T. Takeuchi, S. Shin and H. Ikuta, “Three energy scales characterizing the competing pseudogap state, the incoherent, and the coherent superconducting state in high-Tc cuprates”, Phys. Rev. B Vol. 83, No. 13, pp. 104502-1-4 (Mar. 2011)
18. K. Ishizaka, T. Kiss, T. Yamamoto, Y. Ishida, T. Saitoh, M. Matsunami, R. Eguchi, T. Ohtsuki, A. Kosuge, T. Kanai, M. Nohara, H. Takagi, S. Watanabe, and S. Shin, "Femtosecond core-level photoemision spectroscopy on 1T-TaS2 using a 60 eV laser source", Phys. Rev. B, Vol. 83, No. 8, pp. 081104-1-4 (Feb. 2011)
19. M. Uchida, K. Ishizaka, P. Hansmann, Y. Kaneko, Y. Ishida, X. Yang, R. Kumai, A. Toschi, Y. Onose, R. Arita, K. Held, O. K. Andersen, S. Shin, and Y. Tokura, "Pseudogap of Metallic Layered Nickelate R2-xSrxNiO4 (R=Nd,Eu) Crystals Measured Using Angle-Resolved Photoemission Spectroscopy", Phys. Rev. Lett. Vol. 106, No. 2, pp. 027001-1-4 (Jan. 2011)
20. M. Okawa, M. Matsunami, K. Ishizaka, R. Eguchi, M. Taguchi, A. Chainani, Y. Takata, M. Yabashi, K. Tamasaku, Y. Nishino, T. Ishikawa, K. Kuga, N. Horie, S. Nakatsuji, and S. Shin, "Strong valence fluctuation in the quantum critical heavy fermion superconductor b-YbAlB4: A hard x-ray photoemission study", Phys. Rev. Lett. Vol. 104, No. 24, pp. 247201-1-4 (Jun. 2010)
21. P. A. Bhobe, A. Chainani, M. Taguchi, T. Takeuchi, R. Eguchi, M. Matsunami, K. Ishizaka, Y. Takata, M. Oura, Y. Senba, H. Ohashi, Y. Nishino, M. Yabashi, K. Tamasaku, T. Ishikawa, K. Takenaka, H. Takagi, and S. Shin, "Evidence for a correlated insulator to antiferromagnetic metal transition in CrN", Phys. Rev. Lett. Vol. 104, No. 23, pp. 236404-1-4 (Jun. 2010)
22. T. Shimojima, K. Ishizaka, Y. Ishida, N. Katayama, K. Ohgushi, T. Kiss, M. Okawa, T. Togashi, X.-Y. Wang, C.-T. Chen, S. Watanabe, R. Kadota, T. Oguchi, A. Chainani, and S. Shin, "Orbital-dependent modifications of electronic structure across the magenetostructural transition in BaFe2As2", Phys. Rev. Lett. Vol. 104, No. 5, pp. 057002-1-4 (Feb. 2010)
23. K. Ishizaka, R. Eguchi, S. Tsuda, A. Chainani, T. Yokoya, T. Kiss, T. Shimojima, T. Togashi, S. Watanabe, C.-T. Chen, Y. Takano, M. Nagao, I. Sakaguchi, T. Takenouchi, H. Kawarada, and S. Shin, "Ishizaka et al. Reply:", Phys. Rev. Lett. Vol. 102, No. 19, 199702-1-2 (May 2009)
24. M. Okawa, K. Ishizaka, H. Uchiyama, H. Tadatomo, T. Masui, S. Tajima, X.-Y. Wang, C.-T. Chen S. Watanabe, A. Chainani, T. Saitoh, and S. Shin, "Superconducting electronic state in optimally doped YBa2Cu3O7-δ observed with laser-excited angle-resolved photoemission spectroscopy", Phys. Rev. B Vol. 79, No. 14, pp. 144528-1-5 (Apr. 2009)
25. S. Tsuda, T. Yokoya, T. Kiss, T. Shimojima, K. Ishizaka, S. Shin, T. Togashi, S. Watanabe, C. Zhang, C. Chen, I. Hase, H. Takeya, K. Hirata, and K. Togano, "Strong-coupling superconductivity in nanocentrosymmetric superconductor Li2Pd3B by sub-meV photoemission spectroscopy", J. Phys. Soc. Jpn. Vol. 78, No. 3, pp. 034711-1-4 (Mar. 2009)
26. R. Yoshida, T. Wakita, H. Okazaki, Y. Mizuguchi, S. Tsuda, Y. Takano, H. Takeya, K. Hirata, T. Muro, M. Okawa, K. Ishizaka, S. Shin, H. Harima, M. Hirai, Y. Muraoka, and T. Yokoya, "Electronic structure of superconducting FeSe studied by high-resolution photoemission spectroscopy", J. Phys. Soc. Jpn. Vol. 78, No. 3, pp. 034708-1-4 (Mar. 2009)
27. R. Yoshida, H. Okazaki, K. Iwai, K. Noami, T. Muro, M. Okawa, K. Ishizaka, S. Shin, Z. Li, J. Luo, G.-q. Zheng, T. Oguchi, M. Hirai, Y. Muraoka, and T. Yokoya,"Superconducting gap and valence band of Mg10Ir19B16 studied by laser and synchrotron photoemission spectroscopy", J. Phys. Soc. Jpn. 78, No. 3, pp. 034705-1-4 (Mar. 2009)
28. A. Shimoyamada, K. Ishizaka, S. Tsuda, S. Nakatsuji, Y. Maeno, and S. Shin, "Strong mass renormalization at a local momentum space in multiorbital Ca1.8Sr0.2RuO4", Phys. Rev. Lett. Vol. 102, No. 8, pp. 086401-1-4 (Feb. 2009)
29. Y. Ishida, T. Shimojima, K. Ishizaka, T. Kiss, M. Okawa, T. Togashi, S. Watanabe, X.-Y. Wang, C.-T. Chen, Y. Kamihara, M. Hirano, H. Hosono, and S. Shin, "Temperature-dependent pseudogap in the oxypnictides LaFeAsO1-xFx and LaFePO1-xFx seen via angle-integrated photoemission", Phys. Rev. B Vol. 79, No. 6, pp. 060503-1-4(R) (Feb. 2009)
30. K. Ishizaka, R. Eguchi, S. Tsuda, A. Chainani, T. Yokoya, T. Kiss, T. Shimojima, T. Togashi, S. Watanabe, C.-T. Chen, Y. Takano, M. Nagao, I. Sakaguchi, T. Takenouchi, H. Kawarada, and S. Shin, "Temperature dependent localized excitations of doped carriers in superconducting diamond", Phys. Rev. Lett., Vol. 100, No. 16, pp. 166402-1-4 (Apr. 2008)
31. K. Ishizaka, T. Kiss, S. Izumi, M. Okawa, T. Shimojima, A. Chainani, T. Togashi, S. Watanabe, C.-T. Chen, X. Y. Wang, T. Mochiku, T. Nakane, K. Hirata, and S. Shin, "Doping-dependence of nodal quasiparticle properties in high-Tc cuprates studied by laser-excited angle-resolved photoemission spectroscopy", Phys. Rev. B, Vol. 77, No. 6, pp. 064522-1-5 (Feb. 2008)
32. T. Kiss, T. Shimojima, K. Ishizaka, A. Chainani, T. Togashi, T. Kanai, X.-Y. Wang, C.-T. Chen, S. Watanabe, and S. Shin, "A versatile system for ultrahigh resolution, low temperature, and polarization dependent Laser-angle-resolved photoemission spectroscopy", Rev. Sci. Instrum, Vol. 79, No. 2, pp. 023106-1-7 (Feb. 2008)
33. T. Baba, T. Yokoya, S. Tsuda, T. Kiss, T. Shimojima, K. Ishizaka, H. Takeya, K. Hirata, T. Watanabe, M. Nohara, H. Takagi, N. Nakai, K. Machida, T. Togashi, S. Watanabe, X.-Y. Wang, C. T. Chen, and S. Shin, "Bulk electronic structure of the antiferromagnetic superconducting phase in ErNi2B2C", Phys. Rev. Lett., Vol. 100, No. 1, pp. 017003-1-4 (Jan. 2008)
34. T. Shimojima, Y. Shibata, K. Ishizaka, T. Kiss, A. Chainani, T. Yokoya, T. Togashi, X.-Y. Wang, C. T. Chen, S. Watanabe, J. Yamaura, S. Yonezawa, Y. Muraoka, Z. Hiroi, T. Saitoh, and S. Shin, "Interplay of superconductivity and rattling phenomena in beta-pyrochlore KOs2O6 studied by photoemission spectroscopy", Phys. Rev. Lett., Vol. 99, No. 11, pp. 117003-1-4 (Sep. 2007)
35. K. Ishizaka, R. Eguchi, S. Tsuda, T. Yokoya, A. Chainani, T. Kiss, T. Shimojima, T. Togashi, S. Watanabe, C.-T. Chen, C. Q. Zhang, Y. Takano, M. Nagao, I. Sakaguchi, T. Takenouchi, H. Kawarada, and S. Shin, "Observation of a superconducting gap in boron-doped diamond by laser-excited photoemission spectroscopy",Phys. Rev. Lett., Vol. 98, No. 4, pp. 047003-1-4 (Jan. 2007)
36. T. Shimojima, K. Ishizaka, S. Tsuda, T. Kiss, T. Yokoya, A. Chainani, S. Shin, P. Badica, K. Yamada, and K. Togano, "Angle-resolved photoemission study of the cobalt oxide superconductor NaxCoO2・yH2O: Observation of the Fermi surface", Phys. Rev. Lett., Vol. 97, No. 26, pp. 267003-1-4 (Dec. 2006)
37. Shimoyamada, S. Tsuda, K. Ishizaka, T. Kiss, T. Shimojima, T. Togashi, S. Watanabe, C. Q. Zhang, C. T. Chen, Y. Matsushita, H. Ueda, Y. Ueda, and S. Shin, "Heavy-fermion-like state in a transition metal oxide LiV2O4 single crystal: Indication of Kondo resonance in the photoemission spectrum", Phys. Rev. Lett., Vol. 96, No. 2, pp. 026403-1-4 (Jan. 2006)
38. K. Ishizaka, T. Kiss, T. Shimojima, T. Yokoya, T. Togashi, S. Watanabe, C. Q. Zhang, C. T. Chen, Y. Onose, Y. Tokura, and S. Shin, “Ultraviolet laser photoemission spectroscopy of FeSi: Observation of a gap opening in density of states”, Phys. Rev. B, Vol. 72, No. 23, pp.233202-1-4 (Dec. 2005)
39. H. Ando, T. Yokoya, K. Ishizaka, S.Tsuda, T.Kiss, S.Shin, T.Eguchi, M.Hohara, and H.Takagi, "Angle-Resolved Photoemission Study of K0.3MoO3: Direct Observation of Temperature-dependent Fermi Surface across the Peierls Transition", Journal of Physics: Condensed Matter Vol. 17, No. 32, pp.4935-4940 (Aug. 2005)
40. K. Ishizaka, T. Arima, Y. Murakami, R. Kajimoto, H. Yoshizawa, N. Nagaosa, and Y. Tokura, "Commensurate- Incommensurate Crossover of Charge-Stripe in La2-xSrxNiO4 (x~1/3)", Phys. Rev. Lett., Vol. 92, No. 19, pp.196404-1-4 (May 2004)
41. Y. Onose, Y. Taguchi, K. Ishizaka, and Y. Tokura,"Charge Dynamics in Underdoped Nd2-xCexCuO4: Pseudogap and Related Phenomena", Phys. Rev. B, Vol. 69, No. 2, pp. 024504-1-13 (Jan. 2004)
42. T. Kimura, T. Goto, H. Shintani, K. Ishizaka, T. Arima, and Y. Tokura, "Magnetic Control of Ferroelectric Polarization", Nature, Vol. 426, No. 6962, pp. 55-58 (Nov. 2003)
43. T. Kimura, S. Ishihara, H. Shintani, T. Arima, K. T. Takahashi, K. Ishizaka, and Y. Tokura,"Distorted Perovskite with e1g Configuration as a Frustrated Spin System", Phys. Rev. B, Vol. 68, No. 6, pp. 060403-1-4 (Aug. 2003)
44. K. Ishizaka, Y. Taguchi, R. Kajimoto, H. Yoshizawa, and Y. Tokura, "Charge Ordering and Charge Dynamics in Nd2-xSrxNiO4 (0.33<x<0.7)", Phys. Rev. B, Vol. 67, No. 18, pp. 184418-1-6 (May 2003)
45. R. Kajimoto, K. Ishizaka, H. Yoshizawa, and Y. Tokura, "Spontaneous Rearrangement of the Checkerboard Charge Order to Stripe Order in La1.5Sr0.5NiO4", Phys. Rev. B, Vol. 67, No. 1, pp. 014511-1-4 (Jan. 2003)
46. K. Yamamoto, K. Ishizaka, E. Saitoh, S. Shinomori, T. Tanabe, T. Katsufuji, and Y. Tokura, "Optical Probe of Charge-Spin-Lattice Dynamics in Half-Doped La1.5Sr0.5NiO4", Phys. Rev. B, Vol. 67, No. 1, pp. 014414-1-5 (Jan. 2003)
47. Y. Onose, Y. Taguchi, K. Ishizaka, and Y. Tokura, "Doping Dependence of Pseudogap and Related Charge Dynamics in Nd2-xCexCuO4", Phys. Rev. Lett., Vol. 87, No. 21, pp. 217001-1-4 (Nov. 2001)
48. Y. Onose, Y. Taguchi, T. Ishikawa, S. Shinomori, K. Ishizaka, and Y. Tokura, "Anomalous Pseudogap Formation in a Nonsuperconducting Crystal of Nd1.85Ce0.15CuO4+y : Implication of Charge Ordering", Phys. Rev. Lett., Vol. 82, No. 25, pp.5120-5123 (Jun. 1999)
Proceedings
1. M. Okawa, K. Ishizaka, H. Uchiyama, H. Tadatomo, T. Masui, S. Tajima, X.-Y. Wang, C.-T. Chen S. Watanabe, A. Chainani, T. Saitoh, and S. Shin,"Bulk-sensitive laser-ARPES study on the cuprate superconductor YBa2Cu3O7-d", Physica C (2009), doi:10.1016/i.physc.2009.11.070
2. R. Yoshida, T. Wakita, H. Okazaki, Y. Mizuguchi, S. Tsuda, Y. Takano, H. Takeya, K. Hirata, T. Muro, M. Okawa, K. Ishizaka, S. Shin, H. Harima, M. Hirai, Y. Muraoka, and T. Yokoya, "Analysis on photoemission spectrum of superconducting FeSe", Physica C (2009), doi:10.1016/i.physc.2009.11.172
3. R. Yoshida, H. Okazaki, K. Iwai, K. Noami, T. Muro, M. Okawa, K. Ishizaka, S. Shin, Z. Li, J. L. Luo, G.-Q. Zheng, T. Oguchi, M. Hirai, Y. Muraoka, and T. Yokoya, "Bulk-sensitive spectroscopic studies on noncentrosymmetric superconducting system of Mg-Ir-B", Physica C 469, 1034 (2009)
4. T. Baba, T. Yokoya, S. Tsuda, T. Kiss, T. Shimojima, K. Ishizaka, H. Takeya, K. Hirata, N. Nakai, K. Machida, T. Togashi, C. T. Chen, C. Q. Zhang, S. Watanabe, and S. Shin,"Effect of antiferromagnetic ordering on temperature dependent superconducting gap in ErNi2B2C: Laser-photoemission spectroscopy", Physica C 469, 928 (2009)
5. Y. Ishida, T. Shimojima, K. Ishizaka, T. Kiss, M. Okawa, T. Togashi, S. Watanabe, X. Wang, C. Chen Y. Kamihara, M. Hirano, H. Hosono, and S. Shin, "Unusual pseudogap features observed in iron oxypnictide superconductors", J. Phys. Soc. Jpn. 77, Suppl. C, 61 (2008)
6. K. Ishizaka, R. Eguchi, S. Tsuda, T. Yokoya, T. Kiss, T. Shimojima, T. Togashi, S. Watanabe, C.-T. Chen, C. Q. Zhang, Y. Takano, M. Nagao, I. Sakaguchi, T. Takenouchi, H. Kawarada, and S. Shin, "Laser-excited photoemission spectroscopy study of superconducting boron-doped diamond", Sci. Technol. Adv. Mater., 7, S17-S21 (2006)
7. Y. Onose, Y. Taguchi, K. Ishizaka, and Y. Tokura, "The large energy pseudogap in Nd2-xCexCuO4", Physica C - Superconductivity and its applications, 408, 402-404 (2004) 
8. Y. Oohara, R. Kajimoto, T. Kakeshita, H. Yoshizawa, T. Tanabe, T. Katsufuji, K. Ishizaka, Y. Taguchi, and Y. Tokura, "Neutron Scattering Study of the Charge and the Magnetic Ordering in La2-xSrxNiO4", Physica B, 329, 725 (2003) 
9. Y. Taguchi, Y. Onose, T. Ishikawa, S. Shinomori, K. Ishizaka, and Y. Tokura, "Optical investigation of a nonsuperconducting Nd1.85Ce0.15CuO4+y crystal with possible charge ordering instability", J. Low Temp. Phys., 117,1065-1069 (1999)
10. Y. Onose, Y. Taguchi, T. Ishikawa, S. Shinomori, K. Ishizaka, and Y. Tokura, "Optical Spectra in Nd1.85Ce0.15CuO4+y Crystal: Implication of Charge Ordering", Advances in Superconductivity XII (Proceedings of the 12th International Symposium on Superconductivity, October 17-19, 1999, Morioka) Springer, 158-160  
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