Publication
2023
F.I. Abbas, K. Hoshi, Y. Nakahira, M. Yoshida, A. Yamashita, H. Ito, A. Miura, C. Moriyoshi, C.H. Lee, Y. Mizuguchi, "Estimation of Grüneisen Parameter of Layered Superconductor LaO0.5F0.5BiS2−xSex (x=0.2,0.4,0.6,0.8,1.0)", J. Phys. Soc. Jpn. 92, 014703 (2023).
H. Arima, T. Inui, A. Yamashita, A. Miura, H. Itou, C. Moriyoshi, H. Fujihisa, Y. Mizuguchi, "Uniaxial Negative Thermal Expansion in an Orthorhombic Superconductor CoZr3", J. Phys. Soc. Jpn. 92, 024602 (2023).
2022
A. Yamashita, K. Hashimoto, S. Suzuki, Y. Nakanishi, Y. Miyata, T. Maeda, Y. Mizuguchi, "Fabrication of high-entropy REBa2Cu3O7-δ thin films by pulsed laser deposition", Jpn. J. Appl. Phys. 61, 050905 (2022).
A. Yamashita, Y. Shukunami, Y. Mizuguchi, "Improvement of critical current density of REBa2Cu3O7-δ by increase in configurational entropy of mixing", R. Soc. OpenSci. 9, 211874 (2022).
M.R. Kasem, H. Arima, Yoichi Ikeda, A. Yamashita, Y. Mizuguchi, "Superconductivity of high-entropy-alloy-type transition-metal zirconide (Fe,Co,Ni,Cu,Ga)Zr2", J. Phys. Mater. 5, 045001 (2022).
F.I. Abbas, Y. Nakahira, A. Yamashita, M.R. Kasem, M. Yoshida, Y. Goto, A. Miura, K. Terashima, R. Matsumoto, Y. Takano, C. Moriyoshi, Y. Mizuguchi, "Estimation of the Grüneisen Parameter of High-Entropy Alloy-Type Functional Materials: The Cases of REO0.7F0.3BiS2 and MTe", J. Phys. Soc. Jpn. 91, 074706 (2022).
H. Yamaoka, A. Yamashita, Y. Nakahira, M. Ochi, K. Kuroki, H. Arima, K. Matsubayashi, H. Ishii, N. Hiraoka, Y. Mizuguchi, "Crystal and electronic structures of BiS2-based compounds Sr0.5X0.5FBiS2 (X=rare earth) under pressure: Correlation with the change in the superconductivity from unconventional to conventional", Phys. Rev. B 106, 205122 (2022).
Y. Nakahira, R. Kiyama, A. Yamashita, H. Itou, A. Miura, C. Moriyoshi, Y. Goto, Y. Mizuguchi, "Tuning of upper critical field in a vanadium-based A15 superconductor by the compositionally-complex-alloy concept", J. Mater. Sci. 57, 15990 (2022).
F.I. Abbas, K. Hoshi, A. Yamashita, Yuki Nakahira, Yosuke Goto, Akira Miura, Chikako Moriyoshi, Yoshihiro Kuroiwa, Kensei Terashima, Ryo Matsumoto, Yoshihiko Takano, Y. Mizuguchi, "Lattice Anharmonicity in BiS2-Based Layered Superconductor RE(O,F)BiS2 (RE = La, Ce, Pr, Nd)", J. Phys. Soc. Jpn. 91, 074706 (2022).
M.R. Kasem, Y. Nakahira, H. Yamaoka, R. Matsumoto, A. Yamashita, H. Ishii, N. Hiraoka, Y. Takano, Y. Goto, Y. Mizuguchi, "Robustness of superconductivity to external pressure in high-entropy-alloy-type metal telluride AgInSnPbBiTe5", Sci. Rep. 12, 7789 (2022).
F.I. Abbas, Y. Nakahira, A. Yamashita, M.R. Kasem, M. Yoshida, Y. Goto, A. Miura, K. Terashima, R. Matsumoto, Y. Takano, C. Moriyoshi, Y. Mizuguchi, "Estimation of the Grüneisen Parameter of High-Entropy Alloy-Type Functional Materials: The Cases of REO0.7F0.3BiS2 and MTe", Condens. Matter. 7, 34 (2022).
S. Hosokawa, N. Happo, K. Hayashi, T. Matsushita, A. Yamashita, "Three-dimensional Atomic Image of FeSe High-temperature Superconductor by X-ray Fluorescence Holography", e-Journal of Surface Science and Nanotechnology 20, (2022).
2021
M.R. Kasem, A. Yamashita* (Corresponding author), T. Hatano, K. Sakurai, N. Oono-Hori, Y. Goto, O. Miura, Y. Mizuguchi, "Anomalous broadening of specific heat jump at Tc in high-entropy-alloy-type superconductor TrZr2", Supercond. Sci. Technol. 34 125001 (2021).
A. Yamashita, Y. Goto, A. Miura, C. Moriyoshi, Y. Kuroiwa, Y. Mizuguchi, "n-type thermoelectric metal chalcogenide (Ag,Pb,Bi)(S,Se,Te) designed by multi-site-type high-entropy alloying" , Mater. Res. Lett. 9, 366-372 (2021).
A. Yamashita, T.D. Matsuda, Y. Mizuguchi, "Synthesis of new high-entropy alloy-type Nb3 (Al, Sn, Ge, Ga, Si) superconductors" , J. Alloys Compd. 868, 159233 (2021).
A. Yamashita, H. Usui, K. Hoshi, Y. Goto, K. Kuroki, Y. Mizuguchi, "Possible pairing mechanism switching driven by structural symmetry breaking in BiS2-based layered superconductors", Sci. Rep. 11, 230 (2021). Press release (Japanese).
T. Mitobe, K. Hoshi, M.R. Kasem, R. Kiyama, H. Usui, A. Yamashita, R. Higashinaka, T.D. Matsuda, Y. Aoki, T. Katase, Y. Goto, Y. Mizuguchi, "Superconductivity in In-doped AgSnBiTe3 with possible band inversion", Sci. Rep. 11, 22885 (2021).
M.R. Kasem, A. Yamashita, Y. Goto, T.D. Matsuda, Y. Mizuguchi, "Synthesis of high-entropy-alloy-type superconductors (Fe,Co,Ni,Rh,Ir)Zr2 with tunable transition temperature", J. Mater. Sci. 56, 9499-9505 (2021).
F.I. Abbas, A. Yamashita, K. Hoshi, R. Kiyama, M.R. Kasem, Y. Goto and Y. Mizuguchi, "Investigation of lattice anharmonicity in thermoelectric LaOBiS2–xSex through Grüneisen parameter"
Appl. Phys. Express 14, 071002, (2021).S. Liu, R. Matsumoto, R. Jha, A. Yamashita, S. Kawaguchi, Y. Goto, Y. Takano and Y. Mizuguchi, "High-pressure effects on superconducting properties and crystal structure of Bi-based layered superconductor La2O2Bi3Ag0.6Sn0.4S6", J. Phys.: Condens. Matter 33, 225702, (2021).
2020
A. Yamashita, R. Jha, Y. Goto, A. Miura, C. Moriyoshi, Y. Kuroiwa, C. Kawashima, K. Ishida, H. Takahashi, Y. Mizuguchi, "Evolution of two bulk-superconducting phases in Sr0.5 RE0.5FBiS2 (RE: La, Ce, Pr, Nd, Sm) by external hydrostatic pressure effect", Sci. Rep. 10(1), 12880 (2020).
A. Yamashita, R. Jha, Y. Goto, T.D. Matsuda, Y. Aoki, Y. Mizuguchi, "An efficient way of increasing the total entropy of mixing in high-entropy-alloy compounds: a case of NaCl-type (Ag,In,Pb,Bi)Te1−xSex (x = 0.0, 0.25, 0.5) superconductors", Dalton Trans. 49(26), 9118-9122, (2020).
A. Yamashita, K. Kihou, H. Kunioka, H. Nishiate, A. Yamamoto, Y. Goto, Y. Mizuguchi, T. Iida, Y. Takano, C.H. Lee, "Thermoelectric properties of NaZn4-xCuxAs3 crystalized in the rhombohedral structure", J. Solid State Chem. 291, (2020).
Y. Shukunami, A. Yamashita, Y. Goto, Y. Mizuguchi, "Synthesis of RE123 high-Tc superconductors with a high-entropy-alloy-type RE site", Physica C 572, (2020).
M.R. Kasem, K. Hoshi, R. Jha, M. Katsuno, A. Yamashita, Y. Goto, T.D. Matsuda, Y. Aoki, Y. Mizuguchi, "Superconducting properties of high-entropy-Alloy tellurides M-Te (M: Ag, In, Cd, Sn, Sb, Pb, Bi) with a NaCl-Type structure", Appl. Phys. Express 13(3), (2020).
2019
R. Matsumoto, P. Song, S. Adachi, Y. Saito, H. Hara, A. Yamashita, K. Nakamura, S. Yamamoto, H. Tanaka, T. Irifune, H. Takeya, Y. Takano, "Pressure-induced superconductivity in tin sulfide", Phys. Rev. B 99, (2019).
2018
A. Yamashita, R. Matsumoto, M. Tanaka, H. Hara, K. Iida, B. Holzapfel, H. Takeya, Y. Takano, "Observation of zero resistance in as-electrodeposited FeSe", Solid State Commun. 270, 72-75, (2018).
A. Yamashita, O. Ogiso, R. Matsumoto, M. Tanaka, H. Hara, H. Tanaka, H. Takeya, C.H. Lee, Y. Takano, "Influence of oxidation in starting material Sn on electric transport properties of SnSe single crystals", J. Phys. Soc. Jpn. 87(6), (2018).
J.R. Stellhorn, Y. Ideguchi, K. Kimura, K. Hayashi, N. Happo, M. Suzuki, H. Okazaki, A. Yamashita, Y. Takano, S. Hosokawa, "Local Structure of FeSe0.4Te0.6 by Low-Temperature X-Ray Fluorescence Holography", Phys. Status Solidi B 255(11), (2018).
F. Yuan, V. Grinenko, K. Iida, S. Richter, A. Pukenas, W. Skrotzki, M. Sakoda, M. Naito, A. Sala, M. Putti, A. Yamashita, Y. Takano, Z. Shi, K. Nielsch, R. Hühne, "Universal scaling behavior of the upper critical field in strained FeSe0.7Te0.3 thin films", New J. Phys. 20, (2018).
R. Matsumoto, A. Yamashita, H. Hara, T. Irifune, S. Adachi, H. Takeya, Y. Takano, "Diamond anvil cells using boron-doped diamond electrodes covered with undoped diamond insulating layer", Appl. Phys. Express 11(5), (2018).
H. Hara, S. Adachi, R. Matsumoto, A. Yamashita, H. Takeya, Y. Takano, "Single crystal growth of cuprate superconductor (Lu0.8Nd0.2)Ba2Cu4O8 by KOH flux method", J. Phys. Soc. Jpn. 87, (2018).
R. Matsumoto, H. Hara, H. Tanaka, K. Nakamura, N. Kataoka, S. Yamamoto, A. Yamashita, S. Adachi, T. Irifune, H. Takeya, Y. Takano, "Pressure-induced superconductivity in sulfur-doped SnSe single crystal using boron-doped diamond electrode-prefabricated diamond anvil cell", J. Phys. Soc. Jpn. 87, (2018).
V. Grinenko, R. Sarkar, P. Materne, S. Kamusella, A. Yamashita, Y. Takano, Y. Sun, T. Tamegai, D. V. Efremov, S. L. Drechsler, J. C. Orain, T. Goko, R. Scheuermann, H. Luetkens, and H.-H. Klauss, "Low-temperature breakdown of antiferromagnetic quantum critical behavior in FeSe", Phys. Rev. B, 97, 201102(R), (2018).
T. Nagayama, K. Terashima, T. Wakita, H. Fujiwara, T. Fukura, Y. Yano, K. Ono, H. Kumigashira, O. Ogiso, A. Yamashita, Y. Takano, H. Mori, H. Usui, M. Ochi, K. Kuroki, Y. Muraoka, T. Yokoya, "Direct observation of double valence-band extrema and anisotropic effective masses of the thermoelectric material SnSe", Jpn. J. Appl. Phys. 57(1), (2018).
2017
A. Yamashita, M. Tanaka, H. Takeya, Y. Takano, "Phase Diagram of FeSe Deposited by Electrochemical Technique with Different Temperature and Voltage", J. Phys. Soc. Jpn. 86(7), (2017).
R. Matsumoto, H. Iwata,A. Yamashita, H. Hara, G. Nishijima, M. Tanaka, H. Takeya, Y. Takano, "Superconducting joints using Bi-added PbSn solders", Appl. Phys. Express 10(9), (2017).
F. Yuan, K. Iida, V. Grinenko, P. Chekhonin, A. Pukenas, W. Skrotzki, M. Sakoda, M. Naito, A. Sala, M. Putti, A. Yamashita, Y. Takano, Z. Shi, K. Nielsch, R. Huehne, "The influence of the in-plane lattice constant on the superconducting transition temperature of FeSe0.7Te0.3 thin films", AIP Adv. 7(6), (2017).
Y. Yanagisawa, M. Tanaka, A. Yamashita, K. Suzuki, H. Hara, M. ElMassalami, H. Takeya, Y. Takano, "Phase-Separation Control of KxFe2-ySe2 Superconductor through Rapid-Quenching Process", J. Phys. Soc. Jpn. 86(4), 043703, (2017).
2016
A. Yamashita, Y. Takano, "Superconductivity in Iron Chalcogenide Compounds Induced by Battery-Like Reaction", J.Japan Inst. Met.Mater. 80(7), 468-472, (2016).
C. Fiamozzi Zignani, V. Corato, A. Leo, G. De Marzi, A. Mancini, Y. Takano, A. Yamashita, M. Polichetti, A. Galluzzi, A. Rufoloni, G. Grimaldi, S. Pace, "Fabrication and Characterization of Sintered Iron-Chalcogenide Superconductors", IEEE Trans. Appl. Supercond. 26(3), (2016).
Y. Ideguchi, K. Kamimura, K. Kimura, S. Hosokawa, N. Happo, K. Hayashi, Y. Ebisu, T. Ozaki, J. R. Stellhorn, M. Suzuki, H. Okazaki, A. Yamashita, Y. Takano, "X-ray Fluorescence Holographic Study on High-Temperature Superconductor FeSe0.4Te0.6", Z. Phys. Chem. 230(4), 489-498, (2016).
S. Demura, M. Tanaka, A. Yamashita, S.J. Denholme, H. Okazaki, M. Fujioka, T. Yamaguchi, H. Takeya, K. Iida, B. Holzapfel, H. Sakata, Y. Takano, "Electrochemical Deposition of FeSe on RABiTS Tapes", J. Phys. Soc. Jpn. 85(1), (2016).
2015
A. Yamashita, S. Demura, M. Tanaka, M. Fujioka, S.J. Denholme, K. Deguchi, T. Yamaki, H. Hara, K. Suzuki, H. Okazaki, T. Yamaguchi, H. Takeya, Y. Takano, "Superconductivity in FeTe1-xSx Induced by Electrochemical Reaction Using Ionic Liquid Solution", J. Phys. Soc. Jpn. 84(3), (2015).
S. Demura, K. Deguchi, Y. Mizuguchi, K. Sato, R. Honjyo, A. Yamashita, T. Yamaki, H. Hara, T. Watanabe, S.J. Denholme, M. Fujioka, H. Okazaki, T. Ozaki, O. Miura, T. Yamaguchi, H. Takeya, Y. Takano, "Coexistence of Bulk Superconductivity and Magnetism in CeO1-xFxBiS2", J. Phys. Soc. Jpn. 84(2), (2015).
2014
A. Yamashita, S. Demura, M. Tanaka, K. Deguchi, T. Yamaki, H. Hara, K. Suzuki, Y. Zhang, S.J. Denholme, H. Okazaki, M. Fujioka, T. Yamaguchi, H. Takeya, Y. Takano, "Superconductivity in FeTe0.8S0.2 induced by battery-like reaction", Solid State Commun. 200, 29-31, (2014).
K. Deguchi, A. Yamashita, T. Yamaki, H. Hara, S. Demura, S. J. Denholme, M. Fujioka, H. Okazaki, H. Takeya, T. Yamaguchi, Y. Takano, "Excess iron deintercalation induced superconductivity in Fe(Te, Se) and Fe(Te, S) via sulfur annealing", J. Appl. Phys. 115(5), (2014).