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Journal Articles

Spin state of Co$$^{3+} $$ in LaCo$$_{1-x}$$ Rh$$_{x}$$O$$_{3}$$ investigated by structural phenomena

Asai, Shinichiro*; Okazaki, Ryuji*; Terasaki, Ichiro*; Yasui, Yukio*; Kobayashi, Wataru*; Nakao, Akiko*; Kobayashi, Kensuke*; Kumai, Reiji*; Nakao, Hironori*; Murakami, Yoichi*; et al.

Journal of the Physical Society of Japan, 82(11), p.114606_1 - 114606_6, 2013/11

 Times Cited Count:6 Percentile:43.6(Physics, Multidisciplinary)

Neutron and synchrotron X-ray diffraction for LaCo$$_{1-x}$$ Rh$$_{x}$$O$$_{3}$$ have been carried out in order to investigate the structural properties related with the spin state of Co$$^{3+}$$ ions. We have found that the values of the Co(Rh)-O bond lengths in the Co(Rh)O$$_{6}$$ octahedron of LaCo$$_{0.8}$$Rh$$_{0.2}$$O$$_{3}$$ are nearly identical at 10 K. The lattice volume for the Rh$$^{3+}$$ substituted samples decreases with the thermal expansion coefficient similar to that of LaCoO$$_{3}$$ from room temperature, and ceases to decrease around 70 K. These experimental results favor a mixed state consisting of the high-spin state and low-spin state Co$$^{3+}$$ ions, and suggest that the high-spin state Co$$^{3+}$$ ions are thermally excited in addition to those pinned by the substituted Rh$$^{3+}$$ ions.

Journal Articles

Outline of advanced radiation technology

Ishigaki, Isao; Ono, Shinichi

Genshiryoku Kogyo, 40(2), p.7 - 11, 1994/00

no abstracts in English

Journal Articles

Present status of radiation utilization

Tokunaga, Okihiro; Ishigaki, Isao

Enerugi, 26(2), p.77 - 80, 1993/02

no abstracts in English

Journal Articles

Detection of irradiated wheat by germination

S.Zhu*; Kume, Tamikazu; Ishigaki, Isao

Radiation Physics and Chemistry, 42(1-3), p.421 - 424, 1993/00

 Times Cited Count:8 Percentile:63.72(Chemistry, Physical)

no abstracts in English

Journal Articles

Effect of gamma-irradiation on frozen shrimps for decontamination of pathogenic bacteria

Ito, Hitoshi; H.O.Rashid*; N.Sangthong*; Adulyatham, P.*; P.Rattagool*; Ishigaki, Isao

Radiation Physics and Chemistry, 42(1-3), p.279 - 282, 1993/00

 Times Cited Count:7 Percentile:60.47(Chemistry, Physical)

no abstracts in English

Journal Articles

Sterilization of Bacillus spores by converted X rays

Ito, Hitoshi; *; ; Sunaga, Hiromi; Ishigaki, Isao

Radiation Physics and Chemistry, 42(4-6), p.597 - 600, 1993/00

 Times Cited Count:2 Percentile:29.81(Chemistry, Physical)

no abstracts in English

JAEA Reports

Identification methods for irradiated wheat

S.Zhu*; Kume, Tamikazu; Ishigaki, Isao

JAERI-M 92-014, 25 Pages, 1992/02

JAERI-M-92-014.pdf:0.62MB

no abstracts in English

Journal Articles

The Effect of nucleating agent on radiation stability of polypropylene

Z.A.Kadir*; Yoshii, Fumio; Makuuchi, Keizo; Ishigaki, Isao

Radiation Physics and Chemistry, 39(6), p.535 - 539, 1992/00

no abstracts in English

Journal Articles

Radiation effects on polymer materials in radiation sterilization of medical supplies

Ishigaki, Isao; Yoshii, Fumio

Radiation Physics and Chemistry, 39(6), p.527 - 533, 1992/00

no abstracts in English

Journal Articles

Inactivation of RNA viruses by gamma irradiation

*; Ito, Hitoshi; *; *; Ishigaki, Isao; *; *

Shokuhin Shosha, 26(1-2), p.19 - 26, 1992/00

no abstracts in English

Journal Articles

Distribution of pathogenic vibrios and other bacteria in imported frozen shrimps and their decontamination by gamma-irradiation

H.O.Rashid*; Ito, Hitoshi; Ishigaki, Isao

World J. Microbiol. Biotechnol., 8, p.494 - 499, 1992/00

 Times Cited Count:22 Percentile:58.99(Biotechnology & Applied Microbiology)

no abstracts in English

Journal Articles

Durability of radiation-sterilized polymers, XV; Comparison of damage on polypropylene irradiated by converted X-rays with those by gamma-rays and electron beam

Yoshii, Fumio; Sunaga, Hiromi; Makuuchi, Keizo; Ishigaki, Isao; K.Bahari*

Ika Kikaigaku, 61(9), p.387 - 392, 1991/09

no abstracts in English

Journal Articles

Sterilization of Bacillus spores by converted X-rays

Ito, Hitoshi; *; ; Sunaga, Hiromi; Ishigaki, Isao

Bokin Bobai-Shi, 19(4), p.161 - 166, 1991/00

no abstracts in English

Journal Articles

Radiation disinfection of rice-straw products

Ito, Hitoshi; *; Ishigaki, Isao

Bokin Bobai-Shi, 19(11), p.577 - 583, 1991/00

no abstracts in English

Journal Articles

Thermoplastic elastomer by radiation grafting, I; Evaluation of processability of natural rubber grafted methyl methacrylate

M.T.Razzak*; Yoshii, Fumio; Makuuchi, Keizo; Ishigaki, Isao

Journal of Applied Polymer Science, 43, p.883 - 890, 1991/00

 Times Cited Count:6 Percentile:37.95(Polymer Science)

no abstracts in English

Journal Articles

Effect of gamma irradiation on essensial oils and lipids in spices

*; Ito, Hitoshi; Ishigaki, Isao

Nihon Shokuhin Kogyo Gakkai-Shi, 38(11), p.1025 - 1032, 1991/00

no abstracts in English

Journal Articles

Radiation-induced degradation of PHB and its copolymer

Mitomo, Hiroshi*; *; ; Ito, Hitoshi; Ishigaki, Isao

Reports on Progress in Polymer Physics in Japan, 34, p.415 - 416, 1991/00

no abstracts in English

Journal Articles

Comparative sensitivity of fungi to gamma-rays and electron beams for pasteurization

*; Ito, Hitoshi; Ishigaki, Isao

Shokuhin Shosha, 26(1-2), p.47 - 50, 1991/00

no abstracts in English

Journal Articles

Distribution of pathogenic bacteria in imported frozen shrimps and their radiation decontamination

O.R.Harun*; Ito, Hitoshi; Ishigaki, Isao

Shokuhin Shosha, 26(1-2), p.40 - 42, 1991/00

no abstracts in English

Journal Articles

Effect of irradiation on aflatoxin production by Aspergillus flavus

Ito, Hitoshi; B.Jintana*; M.G.Zenaida*; Ishigaki, Isao

Shokuhin Shosha, 26(1-2), p.43 - 46, 1991/00

no abstracts in English

55 (Records 1-20 displayed on this page)