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T. Muranaka,T. Uehara,T. Sakano,Y. Nabetani,T. Akitsu,T. Kato,T. Matsumoto,S. Hagihara,O. Abe,S. Hiraki,Y. Fujikawa 한국물리학회 2008 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.53 No.5
Ga-doped zinc-oxide (GZO) films grown at various Ga/Zn supply ratios were prepared on glass substrates by using plasma-assisted molecular beam deposition. The films were carefully characterized by using Hall, X-ray diffraction (XRD) and transmission electron microscopy (TEM) measurements. At low Ga/Zn supply ratios, the carrier density systematically increased with increasing Ga/Zn supply ratio. However, a saturation of the carrier density near 4 − 6 × 1020 cm−3 was observed when the Ga/Zn supply ratio was in the range from 5 × 10−5 % to 0.5 %. From TEM observations, uniform crystal grains were observed to grow with low-angle tilt grain boundaries in GZO films with low doping. On the other hand, high-angle tilt grain boundaries were observed in the highly-doped GZO films. A detailed selected area electron diffraction (SAED) analysis revealed that such non-uniformity in the highly-doped GZO films appears during the initial growth stage.
T. Muranaka,A. Nisii,T. Uehara,T. Sakano,Y. Nabetani,T. Akitsu,T. Kato and T. Matsumoto,T. Matsumoto,S. Hagihara,O. Abe,S. Hiraki,Y. Fujikawa 한국물리학회 2008 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.53 No.5
Ga-doped zinc-oxide (GZO) films grown under various Ga/Zn supply ratios were carefully characterized by using Hall measurements and optical transmittance measurements to investigate the electrical and the optical properties of the GZO films on glass, polyethylene terephthalate (PET), and polycarbonate (PC) substrates. The resistivity of the GZO films grown at 290 ℃ on glass substrates ranged from 4 × 10-2 cm to 3 × 10-4 cm for Ga/Zn supply ratios from 0 % to 0.5 %. The growth of the GZO films at a low temperature of 90 ℃ was also performed on glass, PET, and PC substrates. When the Ga/Zn supply ratios were 0.05 - 0.1 %, the 90 ℃-grown GZO films on glass substrates showed resistivities similar to those of 290 ℃-grown GZO films. The 90 ℃-grown GZO films on PET and PC substrates showed resistivities of 1 × 10-3 cm and 4 × 10-4 cm, respectively. The Hall carrier density was 8 × 1020 cm-3, which was almost the same value as that of the 90 ℃-grown GZO films on glass substrates. The GZO films on PET and PC substrates also showed visible transparency as good as that of the GZO films on glass substrates, and the average transmittance in the visible region was higher than 85 %.
Kawai, Y,Osawa, T,Kobayashi, K,Inoue, R,Yamamoto, Y,Matsumoto, H,Nagao, K,Hara, T,Sakano, S,Nagamori, S,Matsuyama, H Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.14
Background: Factors predictive of survival have been identified in Western patients with metastatic clear cell renal cell carcinoma (mCCRCC) treated with sunitinib. Less is known, however, about factors predictive of survival in Japanese patients. This study evaluated factors prognostic of survival in Japanese patients with mCCRCC treated with first-line sunitinib. Materials and Methods: This retrospective study evaluated 46 consecutive Japanese mCCRCC patients treated with sunitinib as first line therapy. Clinical and biochemical markers associated with progression-free survival (PFS) were analyzed, with prognostic factors selected by uniand multivariate Cox regression analyses. Results: Univariate analysis showed that factors significantly associated with poor PFS included Memorial Sloan-Kettering Cancer Center poor risk scores, International Metastatic RCC Database Consortium poor risk and high (>0.5 mg/dl) serum C-reactive protein (CRP) concentrations (p<0.001 each). Multivariate analysis showed that high serum CRP was independently associated with poorer PFS (p=0.040). Six month disease control rate (complete response, partial response and stable disease) in response to sunitinib was significantly higher in patients with normal (${\leq}0.5mg/dl$) than elevated baseline CRP (p<0.001). Conclusions: CRP is a significant independent predictor of PFS for Japanese patients with mCCRCC treated with first-line sunitinib. Pretreatment CRP concentration may be a useful biomarker predicting response to sunitinib treatment.