Supporting information for “Effects of the Cu off-stoichiometry on transport properties of wide gap p-type semiconductor, layered oxysulfide LaCuSO” Yosuke Goto,1 Mai Tanaki,1 Yuki Okusa,1 Taizo Shibuya,2 Kenji Yasuoka,2 Masanori Matoba,1 and Yoichi Kamihara1 1 Department of Applied Physics and Physico-Informatics, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Yokohama 223-8522, Japan 2 Department of Mechanical Engineering, Faculty of Science and Technology, Keio University, Yokohama 223-8522, Japan Table S1. Electrical transport properties of LaCuSO at 300 K.a sample (cm) S (VK-1) nH (cm–3) H (cm2V-1s-1) reference 1.0 105 –– –– –– [1] 2.0 101 –– –– –– [2] –– –– [3] 1.1 102,b 1.3 101,c polycrystalline bulk LaCuSO polycrystalline thin film epitaxial thin film (1.0 89,b 50,c 1.3 105 150 –– –– [4] 1.8 105 –– –– –– [5] 7.5 101 134 3.0 1015 9.4 [6] 6.7 105 –– 8.3 101 150 –– –– [7] 1.6 104 713 (2.0 1015)e (2.0 10-1)e [8] ~105 –– –– –– [9] 1.5 100 122 1.0 1019 5.0 10-1 [10] –– –– –– [5] 8.0 103,f LaCu1-SO 20d 101)d (7.5 101)g (4.7 1013)e (2.0 10-1)e present study LaCu0.99SO 2.6 10–1 16 > 1019 < 100 present study LaCu0.98SO 3.5 100 24 > 1019 < 100 present study 8.2 10–1 24 > 1019 < 100 present study (5.3 100)h 3 –– –– [4] (7.5 10-2)i –– –– –– [11] 1.2 10-1 –– –– –– [2] LaCu0.97SO polycrystalline bulk Sr-doped LaCuSO La0.9Ca0.1Cu0.9Ni0.1S O La0.97Sr0.03CuSO polycrystalline thin film 5.0 10-2 44 2.7 1020 4.7 10-1 [8] Sr-doped LaCuSOg polycrystalline thin film 3.8 100 40 –– –– [7] Electrical resistivity (), Seebeck coefficient (S), Hall carrier concentration (nH), and Hall mobility (H). b Sintered at 800 C for 6 h. c Sintered at 900 C for 6 h. a Sintered at 900 C for 40 h. The nH was estimated assuming H is 0.2 cm2V-1s-1. f Nominal Cu deficiency is 0.5 mol%. d e Nominal Cu excess is 1.5 mol%. h Nominal Sr content is 5 mol%. i Nominal Sr content is 30 mol%. g References 1 K. Ishikawa, S. Kinoshita, Y. Suzuki, S. Matsuura, T. Nakanishi, M. Aizawa, and Y. Suzuki, J. Electrochem. Soc. 138, 1166 (1991). 2 Y. Furukawa, S. Ikeda, K. Kumagai, K. Mori, Y. Takano, and K. Sekizawa, Phys. Rev. B 62, 598 (2000). 3 K. Takase, M. Koyano, T. Shimizu, K. Makihara, Y. Takahashi, Y. Takano, and K. Sekizawa, Solid State Commun. 123, 531 (2002). 4 K. Ueda, K. Takafuji, H. Hiramatsu, H. Ohta, T. Kamiya, M. Hirano, and H. Hosono, Chem. Mater. 15, 3692 (2003). 5 K. Takase, S. Kanno, R. Sasai, K. Sato, Y. Takahashi, Y. Takano, and K. Sekizawa, J. Phys. Chem. Solids 66, 2130 (2005). 6 M. L. Liu, L. Bin Wu, F. Q. Huang, L. D. Chen, and J. a. Ibers, J. Solid State Chem. 180, 62 (2007). 7 K. Ueda, S. Inoue, S. Hirose, H. Kawazoe, and H. Hosono, Appl. Phys. Lett. 77, 2701 (2000). 8 H. Hiramatsu, M. Orita, M. Hirano, K. Ueda, and H. Hosono, J. Appl. Phys. 91, 9177 (2002). 9 H. Hiramatsu, K. Ueda, H. Ohta, M. Orita, M. Hirano, and H. Hosono, Appl. Phys. Lett. 81, 598 (2002). 10 H. Hiramatsu, K. Ueda, H. Ohta, M. Hirano, T. Kamiya, and H. Hosono, Appl. Phys. Lett. 82, 1048 (2003). 11 Y. Takano, K. Yahagi, and K. Sekizawa, Phys. B 207, 764 (1995).