Search Results - "Asaji, Tetsuo"

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  1. 1

    Reoriention of diprotonated DABCO (1,4-Diazabicyclo[2.2.2]octane) cation and proton transfer in organic ferroelectric adduct DABCO-2(2-Chlorobenzoic acid) by Asaji, Tetsuo

    Published in Journal of molecular structure (05-05-2018)
    “…Temperature dependences of 1H NMR as well as 35Cl NQR spin-lattice relaxation times T1 were investigated of a ferroelectric molecular adduct with Tc = 323 K,…”
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    Journal Article
  2. 2

    35Cl NQR Relaxation of the Molecular Ferroelectric 5,6-Dichloro-2-Methylbenzimidazole with Hydrogen-Bonded Molecular Chain by Asaji, Tetsuo

    Published in Crystals (Basel) (21-01-2020)
    “…The 35Cl nuclear quadruple resonance (NQR) frequencies and spin-lattice relaxation times were measured in the temperature range of 4.2–420 K, of the…”
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    Journal Article
  3. 3

    Phase Transition and Cationic Motion in a Metal–Organic Perovskite, Dimethylammonium Zinc Formate [(CH3)2NH2][Zn(HCOO)3] by Asaji, Tetsuo, Ashitomi, Kayo

    Published in Journal of physical chemistry. C (16-05-2013)
    “…The antiferroelectric phase transition of a metal–organic perovskite with a dimethylammonium cation, [(CH3)2NH2][Zn(HCOO)3], at T c = 156 K was investigated…”
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  4. 4

    Reorientation of DABCO (1,4-diazabicyclo[2.2.2]octane) in halogen-bonded molecular complex DABCO-2(C6F5I) by Asaji, Tetsuo, Shido, Kosuke, Fujimori, Hiroki

    Published in Journal of molecular structure (05-10-2018)
    “…Temperature dependence of 1H NMR spin-lattice relaxation time is investigated of a 1:2 molecular complex of DABCO (1,4-diazabicyclo[2.2.2]octane) and…”
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  5. 5

    Halogen Bond as Controlling the Crystal Structure of 4‑Amino-3,5-Dihalogenobenzoic Acid and Its Effect on the Positional Ordering/Disordering of Acid Protons by Ueda, Kouhei, Oguni, Masaharu, Asaji, Tetsuo

    Published in Crystal growth & design (03-12-2014)
    “…Crystal structures and thermal behaviors of 4-amino-3,5-dihalogenobenzoic acid (AXBA: X = Cl and I) were studied by single-crystal X-ray diffractometry and…”
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  6. 6

    Dynamics of TEMPOL Radicals in TPP 1D Nanochannels and Different Molecular Orientation from Other TEMPO Derivatives by Kobayashi, Hirokazu, Aoki, Kento, Asaji, Tetsuo

    Published in Chemistry letters (05-07-2015)
    “…The molecular orientation and dynamics of 4-hydroxy-2,2,6,6-tetramethyl-1-piperidinyloxyl (TEMPOL) radicals in one-dimensional (1D) nanochannels of the crystal…”
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  7. 7

    ESR Study of Molecular Orientation and Dynamics of Nitronyl Nitroxide Radicals in CLPOT 1D Nanochannels by Kobayashi, Hirokazu, Morinaga, Yuka, Fujimori, Etsuko, Asaji, Tetsuo

    “…New inclusion compounds (ICs) were prepared using the organic 1D nanochannels of 2,4,6-tris(4-chlorophenoxy)-1,3,5-triazine (CLPOT) as a nanosized template and…”
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  8. 8

    Proton dynamics in the hydrogen bonds of 4-amino-3,5-dihalogenobenzoic acid by Asaji, Tetsuo, Ueda, Kouhei, Oguni, Masaharu

    Published in Chemical physics (18-08-2015)
    “…[Display omitted] •4-Amino-3,5-dichlorobenzoic acid has a symmetric dimer structure.•The compound undergoes a phase transition at 138K.•The symmetry breaking…”
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  9. 9

    ESR study of molecular orientation and dynamics of TEMPO derivatives in CLPOT 1D nanochannels by Kobayashi, Hirokazu, Furuhashi, Yuta, Nakagawa, Haruka, Asaji, Tetsuo

    Published in Magnetic resonance in chemistry (01-08-2016)
    “…The molecular orientations and dynamics of 2,2,6,6‐tetramethyl‐1‐piperidinyloxyl (TEMPO) radical derivatives with large substituent groups at the 4‐position…”
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  10. 10

    Molecular Orientation and Dynamics of Different Sized Organic Radicals Included in Organic 1D Nanochannels by Kobayashi, Hirokazu, Takeuchi, Kanae, Asaji, Tetsuo

    “…The molecular orientation and dynamics of di-t-butylnitroxide (DTBN) and 4-oxo-2,2,6,6-tetramethyl-1-piperidinyl-1-oxyl (TEMPONE) radicals in the organic 1D…”
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  11. 11

    Phase Transition and Ring-Puckering Motion in a Metal–Organic Perovskite [(CH2)3NH2][Zn(HCOO)3] by Asaji, Tetsuo, Ito, Yoshiharu, Seliger, Janez, Žagar, Veselko, Gradišek, Anton, Apih, Tomaž

    “…Phase transitions in a metal–organic perovskite with an azetidinium cation, which exhibits giant polarizability, were investigated using differential scanning…”
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  12. 12

    Molecular motion of imidazolium cations and phase transitions in (ImH)2KCo(CN)6 with double perovskite structure by Asaji, Tetsuo

    Published in Chemical physics letters (01-07-2022)
    “…[Display omitted] •Phase transitions of (ImH)2KCo(CN)6 are related to ImH+ in-plane reorientation.•Low- and high-temperature phase transitions are of first and…”
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  13. 13

    ESR study of the molecular orientation and dynamics of stable organic radicals included in the 1-D organic nanochannels of 2,4,6-tris-4-(chlorophenoxy)-1,3,5-triazine by Kobayashi, Hirokazu, Asaji, Tetsuo, Tani, Atsushi

    Published in Magnetic resonance in chemistry (01-03-2012)
    “…The molecular orientation and dynamics of the organic stable radicals such as 2,2,6,6‐tetramethyl‐1‐piperidinyl‐1‐oxyl (TEMPO) or 4‐hydroxy‐TEMPO (TEMPOL)…”
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  14. 14

    Molecular Motion of Azetidinium Ion and Phase Transition in [(CH2)3NH2]2KCo(CN)6 with Double Perovskite Structure by Asaji, Tetsuo

    Published in Bulletin of the Chemical Society of Japan (15-06-2021)
    “…Molecular dynamics of azetidinium ion (AzH+), a four-membered-ring ammonium, in a cyano-bridged double perovskite compound (AzH)2KCo(CN)6 is studied by…”
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  15. 15

    Preparation and Characterization of New Inclusion Compounds Using Stable Nitroxide Radicals and an Organic 1-D Nanochannel as a Template by Kobayashi, Hirokazu, Asaji, Tetsuo, Tani, Atsushi

    Published in Materials (09-06-2010)
    “…A new inclusion compound (IC) using di-t-buthyl nitroxide (DBNO) radical and tris(o-phenylenedioxy)cyclotriphosphazene (TPP) (1), which has an organic…”
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  16. 16

    Glassy behavior in a metal-organic perovskite, dimethylammonium zinc formate [(CH3)2NH2][Zn(HCOO)3] by Asaji, Tetsuo

    Published in Solid state communications (01-12-2018)
    “…Proton spin-lattice relaxation was reinvestigated of a metal-organic perovskite [(CH3)2NH2][Zn(HCOO)3] in the low-temperature range down to 10 K, in order to…”
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  17. 17

    Ring-Puckering Motion of Azetidinium Cations in a Metal–Organic Perovskite [(CH2)3NH2][M(HCOO)3] (M = Zn, Mg)A Thermal and 1H NMR Relaxation Study by Asaji, Tetsuo, Ito, Yoshiharu, Fujimori, Hiroki, Zhou, Biao

    Published in Journal of physical chemistry. C (21-02-2019)
    “…A metal–organic perovskite which consists of four-membered-ring ammonium (azetidinium), magnesium, and formate ions [(CH2)3NH2]­[Mg­(HCOO)3] was synthesized…”
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  18. 18

    35Cl NQR study of deuteration effect on proton dynamics in chlorobenzoic acid by Asaji, Tetsuo

    Published in Journal of molecular structure (05-11-2017)
    “…35Cl NQR frequencies and spin-lattice relaxation times T1 were measured of some deuterated chlorobenzoic acid, 3,5-dichlorobenzoic acid-d1 (35ClBA-d1),…”
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  19. 19
  20. 20

    NQR application to the study of hydrogen dynamics in hydrogen-bonded molecular dimers by Asaji, Tetsuo

    Published in Hyperfine interactions (01-12-2016)
    “…The temperature dependences of 1 H NMR as well as 35 Cl NQR spin-lattice relaxation times T 1 were investigated in order to study the hydrogen transfer…”
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