| -1999- | |
| A-1) | Hysteresis in Dissociation and Reformation of Methane Hydrate Crystal |
| Kazunari Ohgaki, Takeshi Sugahara and Shinya Nakano Journal of Chemical Engineering of Japan, 32(2), 235-236 (1999) [DOI] |
|
| -2000- | |
| A-2) | Border Gas Hydrate System Having Quadruple Point of Hydrate + Two Liquids + Gas Phases |
| Takeshi Sugahara and Kazunari Ohgaki Journal of Chemical Engineering of Japan, 33(1), 174-176 (2000) [DOI] |
|
| A-3) | Phase Behavior of Xenon Hydrate System |
| Kazunari Ohgaki, Takeshi Sugahara, Masaru Suzuki and Hitoshi Jindai Fluid Phase Equilibria, 175(1-2), 1-6 (2000) [DOI] |
|
| A-4) | Stability Boundary and Small Hydrate-Cage Occupancy of Ethylene Hydrate System |
| Takeshi Sugahara, Kentaro Morita and Kazunari Ohgaki Chemical Engineering Science, 55(24), 6015-6020 (2000) [DOI] |
|
| -2001- | |
| A-5) | Pressure Dependence of Small-Cage Occupancy in the Cyclopropane Hydrate System |
| Masaru Suzuki, Yuuki Tanaka, Takeshi Sugahara and Kazunari Ohgaki Chemical Engineering Science, 56(6), 2063-2067 (2001) [DOI] |
|
| -2002- | |
| A-6) | Thermodynamic Stability and Structure of Nitrogen Hydrate Crystal |
| Keisuke Sugahara, Yuuki Tanaka, Takeshi Sugahara and Kazunari Ohgaki Journal of Supramolecular Chemistry, 2(4-5), 365-368 (2002)published in 2003 [DOI] |
|
| -2003- | |
| A-7) | Phase Transition from Structure-H to Structure-I in the Methylcyclohexane + Xenon Hydrate System |
| Noriyuki Shimada, Keisuke Sugahara, Takeshi Sugahara and Kazunari Ohgaki Fluid Phase Equilibria, 205(1), 17-23 (2003) [DOI] |
|
| A-8) | Stability Boundaries of Gas Hydrates Helped by Methane -- structure-H Hydrates of Methylcyclohexane and cis-1,2-Dimethylcyclohexane -- |
| Toshiyuki Nakamura, Takashi Makino, Takeshi Sugahara and Kazunari Ohgaki Chemical Engineering Science, 58, 269-273 (2003) [DOI] |
|
| A-9) | Isothermal Phase Equilibria for the Methane + Ethylene Mixed Gas Hydrate System |
| Takeshi Sugahara, Takashi Makino and Kazunari Ohgaki Fluid Phase Equilibria, 206(1-2), 117-126 (2003) [DOI] |
|
| -2004- | |
| A-10) | Stability Boundaries of Structure-H Hydrate of cis-1,4-Dimethylcyclohexane Helped by Methane |
| Toshiyuki Nakamura, Takeshi Sugahara and Kazunari Ohgaki Journal of Chemical & Engineering Data, 49(1), 99-100 (2004) (web release: October 23, 2003) [DOI] |
|
| A-11) | Gas Hydration of trans-1,2-Dimethylcyclohexane with Cooperative Assistance of Methane and cis-1,2-Dimethylcyclohexane |
| Toshiyuki Nakamura, Takashi Makino, Takeshi Sugahara and Kazunari Ohgaki Chemical Engineering Science, 59(1), 163-165 (2004) [DOI] |
|
| A-12) | High-Pressure Phase Behavior and Cage Occupancy for the CF4 Hydrate System |
| Keisuke Sugahara, Masayoshi Yoshida, Takeshi Sugahara and Kazunari Ohgaki Journal of Chemical & Engineering Data, 49(2), 326-329 (2004) (web release: January 16, 2004) [DOI] |
|
| A-13) | Thermodynamic Stability of Structure-H Hydrates of Methylcyclopentane and Cyclooctane Helped by Methane |
| Takashi Makino, Toshiyuki Nakamura,Takeshi Sugahara and Kazunari Ohgaki Fluid Phase Equilibria, 218(2), 235-238 (2004) [DOI] |
|
| -2005- | |
| A-14) | Thermodynamic and Raman Spectroscopic Studies of Xe and Kr Hydrates |
| Keisuke Sugahara,Takeshi Sugahara and Kazunari Ohgaki Journal of Chemical & Engineering Data, 50(1), 274-277 (2005). (web release: November 26, 2004) [DOI] |
|
| A-15) | Icosahedron Cage Occupancy of Structure-H Hydrate Helped by Xe - 1,1-, cis-1,2-, trans-1,2-, and cis-1,4- Dimethylcyclohexanes - |
| Takeshi Sugahara, Tsutomu Hara, Shunsuke Hashimoto and Kazunari Ohgaki Chemical Engineering Science, 60(6). 1783-1786 (2005) (web release: January 14, 2005) [DOI] |
|
| A-16) | Large Pressure Depression of Methane Hydrate by Adding 1,1-Dimethylcyclohexane |
| Tsutomu Hara, Shunsuke Hashimoto, Takeshi Sugahara and Kazunari Ohgaki Chemical Engineering Science, 60(11), 3117-3119 (2005) (web release: March 3, 2005) [DOI] |
|
| A-17) | Hydrate Structural Transition Depending on the Composition of Methane + Cyclopropane Mixed Gas Hydrate |
| Takashi Makino, Makoto Tongu, Takeshi Sugahara and Kazunari Ohgaki Fluid Phase Equilibria, 233(2), 129-133 (2005) (web release: June 3, 2005) [DOI] |
|
| A-18) | Phase Equilibria for H2 + CO2 + H2O System Containing Gas Hydrates |
| Takeshi Sugahara, Shu Murayama, Shunsuke Hashimoto and Kazunari Ohgaki Fluid Phase Equilibria, 233(2), 190-193 (2005) (web release: June 13, 2005) [DOI] |
|
| A-19) | Stability Boundaries of Tetrahydrofuran + Water System |
| Takashi Makino, Takeshi Sugahara and Kazunari Ohgaki Journal of Chemical & Engineering Data, 50(6), 2058-2060 (2005) (web release: October 11, 2005) [DOI] |
|
| A-20) | Activation Energy of Methyl Radical Decay in Methane Hydrate |
| Kei Takeya, Kouhei Nango, Takeshi Sugahara, Kazunari Ohgaki and Atsushi Tani The Journal of Physical Chemistry B, 109(44), 21086-21088 (2005) (web release: October 18, 2005) [DOI] |
|
| -2006- | |
| A-21) | Thermodynamic and Raman Spectroscopic Studies on Pressure-Induced Structural Transition of SF6 Hydrate |
| Keisuke Sugahara, Masayoshi Yoshida, Takeshi Sugahara and Kazunari Ohgaki Journal of Chemical & Engineering Data, 51(1), 301-304 (2006) (web release: December 15, 2005) [DOI] |
|
| A-22) | Phase Equilibria for H2 + CO2 + Tetrahydrofuran + Water Mixtures Containing Gas Hydrates |
| Shunsuke Hashimoto, Shu Murayama, Takeshi Sugahara and Kazunari Ohgaki Journal of Chemical & Engineering Data, 51(5), 1884-1886 (2006) (web release: July 26, 2006) [DOI] |
|
| A-23) | Thermodynamic and Raman Spectroscopic Studies on H2 + Tetrahydrofuran + Water and H2 + Tetra-n-Butyl Ammonium Bromide + Water Mixtures Containing Gas Hydrates |
| Shunsuke Hashimoto, Shu Murayama, Takeshi Sugahara, Hiroshi Sato and Kazunari Ohgaki Chemical Engineering Science, 61(24), 7884-7888 (2006) (web release: September 23, 2006) [DOI] |
|
| -2007- | |
| A-24) | Thermodynamic Stability of H2 + Tetrahydrofuran Mixed Gas Hydrate in Non-Stoichiometric Aqueous Solutions |
| Shunsuke Hashimoto, Takeshi Sugahara, Hiroshi Sato and Kazunari Ohgaki Journal of Chemical & Engineering Data, 52(2), 517-520 (2007) (web release: January 11, 2007) [DOI] |
|
| A-25) | Raman Spectroscopic Studies on Methane + Tetrafluoromethane Mixed-Gas Hydrate System |
| Yuuki Kunita, Takashi Makino, Takeshi Sugahara and Kazunari Ohgaki Fluid Phase Equilibria, 251(2), 145-148 (2007) (web release: December 12, 2006) [DOI] |
|
| A-26) | Electron Spin Resonance Study on gamma-Ray-Induced Ethyl Radical in Ethane Hydrate |
| Kei Takeya, Kouhei Nango, Takeshi Sugahara, Kazunari Ohgaki, Atsushi Tani, Hironori Ito, Michio Okada, Toshio Kasai Japanese Journal of Applied Physics, 46(5A), 3066-3070 (2007). [Publisher] |
|
| A-27) | Fundamental Studies for a New H2 Separation Method Using Gas Hydrates |
| Shunsuke Hashimoto, Shu Murayama, Takeshi Sugahara, Kazunari Ohgaki Physics and Chemistry of Ice, 209-216 (2007) |
|
| A-28) | Effects of Large Guest Species on Thermodynamic Properties of Structure-H Hydrates |
| Takashi Makino, Takeshi Sugahara, Kazunari Ohgaki Physics and Chemistry of Ice, 363-370 (2007) |
|
| A-29) | ESR Observation of Self-Preservation Effect of Methane Hydrate |
| Kei Takeya, Kouhei Nango, Takeshi Sugahara, Atsushi Tani, Kazunari Ohgaki Physics and Chemistry of Ice, 585-591 (2007) |
|
| A-30) | Electron Spin Resonance Study on γ-Ray-Induced Radical Species in Ethylene Hydrate |
| Kei Takeya, Takeshi Sugahara, Kazunari Ohgaki, Atsushi Tani Radiation Measurements, 42(8), 1301-1306 (2007) [DOI] |
|
| -2008- | |
| A-31) | Thermodynamic Stability of Hydrogen + Tetra-n-Butyl Ammonium Bromide Mixed Gas Hydrate in Nonstoichiometric Aqueous Solutions |
| Shunsuke Hashimoto, Takeshi Sugahara, Masato Moritoki, Hiroshi Sato, Kazunari Ohgaki Chemical Engineering Science, 63(4), 1092-1097 (2008) [DOI] |
|
| A-32) | Hydrogen Transfer from Guest Molecule to Radical in Adjacent Hydrate-Cages |
| Kazunari Ohgaki, Kentaro Nakatsuji, Kei Takeya, Atsushi Tani and Takeshi Sugahara Physical Chemistry Chemical Physics, 10(1), 80-82 (2008) {DOI] |
|
| A-33) | Cage Occupancy of Hydrogen in Carbon Dioxide, Ethane, Cyclopropane, and Propane Hydrates |
| Takeshi Sugahara, Hiroki Mori, Jun Sakamoto, Shunsuke Hashimoto, Kyohei Ogata and Kazunari Ohgaki The Open Thermodynamics Journal, 2, 1-6 (2008) [DOI] |
|
| A-34) | Isothermal Phase Equilibria and Cage Occupancies for CH4 + CHF3 Mixed-Gas Hydrate System |
| Takashi Makino, Yuuki Kunita, Takeshi Sugahara and Kazunari Ohgaki The Open Thermodynamics Journal, 2, 17-21 (2008). [DOI] |
|
| A-35) | Thermodynamic Stability on Mixed Gas Hydrates Containing Hydrogen |
| Shunsuke Hashimoto, Takeshi Sugahara, Masato Moritoki, Hiroshi Sato and Kazunari Ohgaki Journal of Physics: Conference Series, 121, 22012-1-5 (2008). [DOI] |
|
| A-36) | Storage Capacity of Hydrogen in Tetrahydrofuran Hydrate |
| Kyohei Ogata, Shunsuke Hashimoto, Takeshi Sugahara, Masato Moritoki, Hiroshi Sato and Kazunari Ohgaki Chemical Engineering Science, 63(23), 5714-5718 (2008). [DOI] |
|
| A-37) | Thermodynamic and Raman Spectroscopic Studies on Hydrogen + Tetra-n-Butyl Ammonium Fluoride Semi-Clathrate Hydrates |
| Jun Sakamoto, Shunsuke Hashimoto, Takaaki Tsuda, Takeshi Sugahara,Yoshiro Inoue and Kazunari Ohgaki Chemical Engineering Science, 63(24), 5789-5794 (2008). [DOI] |
|
| A-38) | Thermodynamic and Raman Spectroscopic Studies of Ar Hydrate System |
| Keisuke Sugahara, Ryuji Kaneko, Arata Sasatani, Takeshi Sugahara and Kazunari Ohgaki The Open Thermodynamics Journal, 2, 95-99 (2008). [DOI] |
|
| A-39) | Isothermal Phase Equilibria for Methane + Ethane + Water Ternary System Containing Gas Hydrates |
| Shunsuke Hashimoto, Arata Sasatani, Yuuki Matsui, Takeshi Sugahara and Kazunari Ohgaki The Open Thermodynamics Journal, 2, 100-105 (2008). [DOI] |
|
| -2009- | |
| A-40) | Four-Phase Equilibrium Relations of Methane + Methylcyclohexanol Stereoisomer + Water Systems Containing Gas Hydrate |
| Takashi Makino, Michiko Mori, Yasutaka Mutou, Takeshi Sugahara and Kazunari Ohgaki Journal of Chemical & Engineering Data, 54(3), 996-999 (2009). [DOI] |
|
| A-41) | High-Pressure Phase Equilibrium and Raman Spectroscopic Studies on Nitrous Oxide Hydrate System |
| Takeshi Sugahara, Akira Kawazoe, Keisuke Sugahara and Kazunari Ohgaki Journal of Chemical & Engineering Data, 54(8), 2301-2303 (2009) [DOI] |
|
| A-42) | Tetra-n-butylammonium Borohydride Semi-clathrate: A Hybrid Material for Hydrogen Storage |
| Kyuchul Shin, Yongkwan Kim, Timothy A. Strobel, Pinnelli S.R. Prasad, Takeshi Sugahara, Huen Lee, E. Dendy Sloan, Amadeu K. Sum, Carolyn A. Koh The Journal of Physical Chemistry A, 113(23), 6415-6418 (2009). [DOI] |
|
| A-43) | Hydrogen Storage in Double Clathrates with tert-Butylamine |
| Pinnelli S.R. Prasad, Takeshi Sugahara, Amadeu K. Sum, E. Dendy Sloan, Carolyn A. Koh The Journal of Physical Chemistry A, 113(24), 6450-6453 (2009). [DOI] |
|
| A-44) | Isothermal Phase Equilibria and Structural Phase Transition in the Carbon Dioxide + Cyclopropane Mixed-Gas Hydrate System |
| Takashi Makino, Yoshihiro Ogura, Yuuki Matsui, Takeshi Sugahara, Kazunari Ohgaki Fluid Phase Equilibria, 284(1), 19-25 (2009). [DOI] |
|
| A-45) | Storage Capacity of Hydrogen in Tetrahydrothiophene and Furan Clathrate Hydrates |
| Takaaki Tsuda, Kyohei Ogata, Shunsuke Hashimoto, Takeshi Sugahara, Masato Moritoki, Kazunari Ohgaki Chemical Engineering Science, 64(19), 4150-4154 (2009). [DOI] |
|
| A-46) | Structural Transformations of sVI tert-Butylamine Hydrates to sII Binary Hydrates with Methane |
| Pinnelli S.R. Prasad, Takeshi Sugahara, E. Dendy Sloan, Amadeu K. Sum, Carolyn A. Koh The Journal of Physical Chemistry A, 113(42), 11311-11315 (2009). [DOI] |
|
| A-47) | Increasing Hydrogen Storage Capacity Using Tetrahydrofuran |
| Takeshi Sugahara, Joanna C. Haag, Pinnelli S.R. Prasad, Ashleigh A. Warntjes, E. Dendy Sloan, Amadeu K. Sum, Carolyn A. Koh Journal of American Chemical Society, 131(41), 14616-14617 (2009). [DOI] |
|
| -2010- | |
| A-48) | Thermodynamic Stabilities of Tetra-n-Butyl Ammonium Chloride +H2, N2, CH4, CO2, or C2H6 Semi-Clathrate Hydrate Systems |
| Takashi Makino, Tomoyo Yamamoto, Kento Nagata, Hiromi Sakamoto, Shunsuke Hashimoto, Takeshi Sugahara, Kazunari Ohgaki Journal of Chemical & Engineering Data, 55(2), 839-841 (2010). [DOI] |
|
| A-49) | Thermodynamic Properties of Hydrogen + Tetra-n-Butyl Ammonium Bromide Semi-Clathrate Hydrate |
| Shunsuke Hashimoto, Takaaki Tsuda, Kyohei Ogata, Takeshi Sugahara, Yoshiro Inoue, Kazunari Ohgaki Journal of Thermodynamics, 2010, Article ID 170819, 5 page (2010). [DOI] |
|
| A-50) | Storage Capacity of Hydrogen in Gas Hydrates |
| Takaaki Tsuda, Kyohei Ogata, Shunsuke Hashimoto, Takeshi Sugahara, Hiroshi Sato, Kazunari Ohgaki Journal of Physics: Conference Series, 215, 012061 1-5 (2010). [DOI] |
|
| A-51) | Hydrogen Storage in Trimethylamine Hydrate: Thermodynamic Stability and Hydrogen Storage Capacity of Hydrogen + Trimethylamine Mixed Semi-clathrate Hydrate |
| Kyohei Ogata, Takaaki Tsuda, Shingo Amano, Shunsuke Hashimoto, Takeshi Sugahara, Kazunari Ohgaki Chemical Engineering Science, 65(5), 1616-1620 (2010). [DOI] |
|
| A-52) | Isothermal Phase Equilibria for Binary Hydrate Systems of Carbon Dioxide + Ethane and Carbon Dioxide + Tetrafluoromethane |
| Yuuki Matsui, Yoshihiro Ogura, Hiroshi Miyauchi, Takashi Makino, Takeshi Sugahara, Kazunari Ohgaki Journal of Chemical & Engineering Data, 55(9), 3297-3301 (2010). [DOI] |
|
| A-53) | Competitive Cage-occupancy of Hydrogen and Argon in Structure-II Hydrates |
| Shingo Amano, Takaaki Tsuda, Shunsuke Hashimoto, Takeshi Sugahara, Kazunari Ohgaki Fluid Phase Equilibria, 298(1), 113-116 (2010). [DOI] |
|
| A-54) | Large-Cage Occupancies of Hydrogen in Binary Clathrate Hydrates Dependent on Pressures and Guest Concentrations |
| Takeshi Sugahara, Joanna C. Haag, Ashleigh A. Warntjes, Pinnelli S.R. Prasad, E. Dendy Sloan, Amadeu K. Sum, Carolyn A. Koh Journal of Physical Chemistry C, 114(35), 15218-15222 (2010). [DOI] |
|
| -2011- | |
| A-55) | Large-Cage Occupancies of Molecular Hydrogen in Binary Clathrate Hydrates Dependent on Pressures |
| Takeshi Sugahara, Pinnelli S.R. Prasad, E. Dendy Sloan, Amadeu K. Sum, Carolyn A. Koh, Kazunari Ohgaki Physics and Chemistry of Ice, 2010, 117-125 (2011). |
|
| A-56) | In-situ Raman Observation on Aqueous solution around Tetra-n-Butyl Ammonium Bromide Semi-Clathrate Hydrate |
| Motoi Oshima, Shunsuke Hashimoto, Wataru Shimada, Atsushi Tani, Takeshi Sugahara, and Kazunari Ohgaki Physics and Chemistry of Ice, 2010, 141-146 (2011). |
|
| A-57) | Raman Spectroscopic Analysis of Mixed Gas Hydrate Crystals |
| Hiroko Mimachi, Masahiro Takahashi, Toru Iwasaki, Takahiro Kinoshita, Takeshi Sugahara, Hiroshi Sato, and Kazunari Ohgaki Physics and Chemistry of Ice, 2010, 243-247 (2011). |
|
| A-58) | Decay Mechanisms of Radiation-Induced Radicals in Sulfur Hexafluoride Clathrate Hydrate |
| Kenji Takato, Atsushi Tani, Takeshi Sugahara, Kei Takeya, and Kazunari Ohgaki Physics and Chemistry of Ice, 2010, 261-266 (2011) |
|
| A-59) | Thermal Stability of Radicals Induced in Xenon Hydrate |
| Kei Takeya, Atsushi Tani, Takeshi Sugahara, and Kazunari Ohgaki Physics and Chemistry of Ice, 2010, 267-271 (2011) |
|
| A-60) | In-situ ESR Observation of Free Radicals in Gas Hydrates under High Pressure |
| Atsushi Tani, Kenji Takato, Takeshi Sugahara, Kazunari Ohgaki, Kei Takeya Physics and Chemistry of Ice, 2010, 273-276 (2011) |
|
| A-61) | Effect of Cyclopentane on Small-Cage Occupancy of Hydrogen in Clathrate Hydrates |
| Takaaki Tsuda, Shunsuke Hashimoto, Takeshi Sugahara, Kazunari Ohgaki Physics and Chemistry of Ice, 2010, 277-281 (2011). |
|
| A-62) | Structural Phase Transitions of Methane+Ethane Mixed-Gas Hydrate Induced by 1,1-Dimethylcyclohexane |
| Yuuki Matsumoto, Hiroshi Miyauchi, Takashi Makino, Takeshi Sugahara, and Kazunari Ohgaki Chemical Engineering Science, 66(12), 2672-2676 (2011). [DOI] |
|
| A-63) | High-Pressure Phase Equilibrium and Raman Spectroscopic Studies on the 1,1-Difluoroethane (HFC-152a) Hydrate System |
| Takeshi Sugahara, Aki Endo, Hiroshi Miyauchi, Seung An Choi, Yuuki Matsumoto, Kenjiro Yasuda, Shunsuke Hashimoto, Kazunari Ohgaki Journal of Chemical & Engineering Data, 56(12), 4592-4596 (2011). [DOI] |
|
| -2012- | |
| A-64) | Thermodynamic Stability of Hydrogen + Tetra-n-butyl Phosphonium Bromide Mixed Semi-clathrate Hydrate |
| Yuuya Fujisawa, Takaaki Tsuda, Shunsuke Hashimoto, Takeshi Sugahara, Kazunari Ohgaki Chemical Engineering Science, 68(1), 660-662 (2012). [DOI] |
|
| A-65) | Isothermal Phase Equilibria for the Xenon+Cyclopropane Mixed-Gas Hydrate System |
| Takeshi Sugahara, Hiroshi Miyauchi, Sumihiro Suzuki, Yuuki Matsumoto, Kenjiro Yasuda, Takashi Makino, Kazunari Ohgaki The Journal of Chemical Thermodynamics, 47C, 13-16 (2012). [DOI] |
|
| A-66) | Isothermal Phase Equilibria for the HFC-32+HFC-134a Mixed-Gas Hydrate System |
| Hiroshi Miyauchi, Kenjiro Yasuda, Yuuki Matsumoto, Shunsuke Hashimoto, Takeshi Sugahara, Kazunari Ohgaki The Journal of Chemical Thermodynamics, 47C, 1-5 (2012). [DOI] |
|
| A-67) | Intermolecular Hydrogen Transfer between Guest Species in Small and Large Cages of Methane+Propane Mixed-Gas Hydrates |
| Takeshi Sugahara, Yusuke Kobayashi, Atsushi Tani, Tatsuya Inoue, Kazunari Ohgaki The Journal of Physical Chemistry A, 116(10), 2405-2408 (2012). [DOI] |
|
| A-68) | Intermolecular Hydrogen Transfer in Isobutane Hydrate |
| Naohiro Kobayashi, Takashi Minami, Atsushi Tani, Mikio Nakagoshi, Takeshi Sugahara, Kei Takeya, Kazunari Ohgaki Energies, 5(6), 1705-1712 (2012). [DOI] |
|
| -2013- | |
| A-69) | Isothermal Phase Equilibria for the CO2+1,1,1,2-Tetrafluoroethane and CO2+1,1-Difluoroethane Mixed-Gas Hydrate Systems |
| Sumihiro Suzuki, Kenjiro Yasuda, Yoshito Katsuta, Yuuki Matsumoto, Shunsuke Hashimoto, Takeshi Sugahara, Kazunari Ohgaki Journal of Chemical & Engineering Data, 58(3), 780-784 (2013). [DOI] |
|
| A-70) | Phase Equilibrium Relations and Structural Transition in the 1,1,1,2-Tetrafluoroethane Hydrate System |
| Yoshito Katsuta, Sumihiro Suzuki, Yuuki Matsumoto, Shunsuke Hashimoto, Takeshi Sugahara, Kazunari Ohgaki Journal of Chemical & Engineering Data, 58(5), 1378-1381 (2013). [DOI] |
|
| A-71) | Structure-H Methane+1,1,2,2,3,3,4-Heptafluorocyclopentane Mixed Hydrate at Pressures up to 373 MPa |
| Sumihiro Suzuki, Yuuki Matsumoto, Yoshito Katsuta, Shunsuke Hashimoto, Takeshi Sugahara, Kazunari Ohgaki The Journal of Physical Chemistry A, 117(20), 4338-4341 (2013). [DOI] |
|
| A-72) | In situ Raman Spectra of Hydrogen in Large Cages of Hydrogen+Tetrahydrofuran Mixed Hydrates |
| Akio Nishikawa, Tomohiro Tanabe, Kazuma Kitamura, Kazunari Ohgaki, Takeshi Sugahara Chemical Engineering Science, 101, 1-4 (2013). [DOI] |
|
| A-73) | Enclathration of 2,3,3,3-Tetrafluoropropene into Structure-II Hydrate with Methane |
| Yoshito Katsuta, Shunsuke Hashimoto, Teruo Kido, Takeshi Sugahara, Kazunari Ohgaki Journal of Chemical & Engineering Data, 58(9), 2596-2599 (2013). [DOI] |
|
| -2014- | |
| A-74) | Phase Equilibrium Relations for Binary Mixed Hydrate Systems Composed of Carbon Dioxide and Cyclopentane Derivatives |
| Yuuki Matsumoto, Takashi Makino, Takeshi Sugahara, Kazunari Ohgaki Fluid Phase Equilibria, 362, 379-382 (2014) [DOI] |
|
| A-75) | Reactions of HOCO Radicals through Hydrogen-Atom Hopping Utilizing Clathrate Hydrates as an Observational Matrix |
| Motoi Oshima, Atsushi Tani, Takeshi Sugahara, Katsuhisa Kitano, Kazunari Ohgaki Physical Chemistry Chemical Physics, 16, 3792-3797 (2014). [DOI] |
|
| A-76) | Investigating the Thermodynamic Stabilities of Hydrogen and Methane Binary Gas Hydrates |
| Yuuki Matsumoto, R. Gary Grim, Naveed Muhammad Khan, Takeshi Sugahara, Kazunari Ohgaki, E. Dendy Sloan, Carolyn A. Koh, Amadeu K. Sum The Journal of Physical Chemistry C, 118(7), 3783-3788 (2014). [DOI] |
|
| A-77) | Thermodynamic Stability Boundaries and Structures of Methane+Monohalogenated Cyclopentane Mixed Hydrates |
| Yuuki Matsumoto, Hiroaki Matsukawa, Fumitaka Kamo, Young Bae Jeon, Yoshito Katsuta, Tatsuya Bando, Takashi Makino, Takeshi Sugahara, Kazunari Ohgaki Journal of Chemical & Engineering Data, 59(7), 2294-2297 (2014). [DOI] |
|
| A-78) | Nucleophilic Reactions of Bromocyclopentane in the Structure-H Methane+Bromocyclopentane Mixed Hydrate System at High Pressures |
| Yuuki Matsumoto, Yoshito Katsuta, Fumitaka Kamo, Tatsuya Bando, Takashi Makino, Takeshi Sugahara, Kazunari Ohgaki The Journal of Physical Chemistry B, 118(47), 13404-13408 (2014). [DOI] Special Issue: Physics and Chemistry of Ice 2014 |
|
| A-79) | Synergistic Formation of Carboxyl and Methyl Radicals in CO2+Methane Mixed Gas Hydrates |
| Motoi Oshima, Kazuma Kitamura, Atsushi Tani, Takeshi Sugahara, Kazunari Ohgaki The Journal of Physical Chemistry B, 118(47), 13435-13439 (2014). [DOI] Special Issue: Physics and Chemistry of Ice 2014 |
|
| A-80) | Blue-Colored tert-Butylamine Clathrate Hydrate |
| Atsushi Tani, Satoshi Koyama, Yusuke Urabe, Kenji Takato, Takeshi Sugahara, Kazunari Ohgaki The Journal of Physical Chemistry B, 118(47), 13409-13413 (2014). [DOI] Special Issue: Physics and Chemistry of Ice 2014 |
|
| -2015- | |
| A-81) | High-Pressure Phase Equilibria of Tertiary-Butylamine Hydrates with and without Hydrogen |
| Tomohiro Tanabe, Takeshi Sugahara, Kazuma Kitamura, Takahiro Yamazaki, Takashi Fujimoto, Kazunari Ohgaki Journal of Chemical & Engineering Data, 60(2), 222-227 (2015). [DOI] Special Issue: In Honor of E. Dendy Sloan on the Occasion of His 70th Birthday |
|
| A-82) | In Situ Raman Spectroscopic Studies on Small-Cage Occupancy of Methane in the Simple Methane and Methane + Deuterated Tetrahydrofuran Mixed Hydrates |
| Caroline Tiemi Moryama, Takeshi Sugahara, Danilo Yoshio Yatabe Franco, Hiroko Mimachi Journal of Chemical & Engineering Data, 60(12), 3581-3587 (2015). [DOI] Memorial Issue in Honor of Anthony R. H. Goodwin |
|
| -2016- | |
| A-83) | Phase Behavior of Ethane Hydrate System in the Presence of Ammonium Bromide |
| Tatsuya Bando, Takeshi Sugahara Fluid Phase Equilibria, 413, 36-40 (2016). [DOI] Special Issue : Gas Hydrates and Semicclathrate Hydrates |
|
| A-84) | Four-Phase Equilibrium Relations Including Clathrate Hydrate Phase in a Ternary System of Xenon, Benzene, and Water |
| Takeshi Sugahara Journal of Chemical & Engineering Data, 61(12), 4057-4060(2016). [DOI]
|
|
| -2017- | |
| A-85) | Scanning Electron Microscopic Studies on the Methane Hydrate Decomposition Using the Freeze-Fracture Replica Method |
| Ayumi Fujimoto, Takeshi Sugahara Bulletin of Glaciological Research, 35, 39-45 (2017). [DOI] |
|
| -2019- | |
| A-86) | Phase Equilibrium Relations for Tetra-n-butylphosphonium Acetate Semiclathrate Hydrate Systems in the Presence of Methane, Carbon Dioxide, Nitrogen, or Ethane |
| Masami Shimada, Jin Shimada, Takeshi Sugahara, Katsuhiko Tsunashima Fluid Phase Equilibria, 488, 48-53 (2019). [DOI] |
|
| -2024- | |
| A-87) | Isothermal phase equilibria of CH4+CO2 mixed-gas hydrate system for CO2 capture and storage in a reservoir after CH4 hydrate exploitation |
| Rintaro Miyatake, Takeshi Sugahara, Tasuku Ishikawa, Motoi Oshima, Yusuke Jin, Takayuki Hirai Journal of Chemical & Engineering Data, 69, 3210-3216 (2024). [DOI] |
Article (peer-reviewed) - Crystallization of Phase Change Materials and Thermal Storage-
| -2017- | |
| B-1) | Dissociation and Nucleation of Tetra-n-Butyl Ammonium Bromide Semi-Clathrate Hydrates at High Pressures |
| Takeshi Sugahara, Hironobu Machida Journal of Chemical & Engineering Data, 62(9), 2721-2725 (2017). [DOI] Memorial Issue in Honor of Ken Marsh. |
|
| B-2) | Relationship between Supercooling Stability and Solution Structure in Sodium Acetate Aqueous Solution |
| Hironobu Machida, Takeshi Sugahara, Izumi Hirasawa Journal of Crystal Growth, 475, 295-299 (2017). [DOI] |
|
| -2018- | |
| B-3) | Memory Effect in Tetra-n-butyl Ammonium Bromide Semiclathrate Hydrate Reformation: the Existence of Solution Structures after Hydrate Decomposition |
| Hironobu Machida, Takeshi Sugahara, Izumi Hirasawa CrystEngComm, 20, 3328-3334 (2018). [DOI] |
|
| B-4) | Phase Equilibrium Relations of Semiclathrate Hydrates Based on Tetra-n-butylphosphonium Formate, Acetate, and Lactate |
| Jin Shimada, Masami Shimada, Takeshi Sugahara, Katsuhiko Tsunashima, Atsushi Tani, Yusuke Tsuchida, Masahiko Matsumiya Journal of Chemical & Engineering Data, 63(9), 3615-3620 (2018). [DOI] |
|
| -2019- | |
| B-5) | Phase Equilibrium Relations of Tetra-n-butylphosphonium Propionate and Butyrate Semiclathrate Hydrates |
| Jin Shimada, Masami Shimada, Takeshi Sugahara, Katsuhiko Tsunashima Fluid Phase Equilibria, 485, 61-66 (2019). [DOI] |
|
| B-6) | Preparation of Dispersed Metal Nanoparticles in the Aqueous Solution of Metal Carboxylate and the Tetra-n-butylammonium Carboxylate |
| Hironobu Machida, Takeshi Sugahara, Izumi Hirasawa Journal of Crystal Growth, 514, 14-20 (2019). [DOI] |
|
| B-7) | Colossal Barocaloric Effects in Plastic Crystals |
| Bing Li, Yukinobu Kawakita, Seiko Ohira-Kawamura, Takeshi Sugahara, Hui Wang, Jingfan Wang, Yanna Chen, Saori I. Kawaguchi, Shogo Kawaguchi, Koji Ohara, Kuo Li, Dehong Yu, Richard Mole, Takanori Hattori, Tatsuya Kikuchi, Shin-ichiro Yano, Zhao Zhang, Zhe Zhang, Weijun Ren, Shangchao Lin, Osami Sakata, Kenji Nakajima, Zhidong Zhang Nature, 567(7749), 506-510 (2019). [DOI] |
|
| B-8) | Thermodynamic Properties of Tetra-n-butylammonium 2-Ethylbutyrate Semiclathrate Hydrate for Latent Heat Storage |
| Takeshi Sugahara, Hironobu Machida, Sanehiro Muromachi, Norio Tenma International Journal of Refrigeration, 106, 113-119 (2019). [DOI] |
|
| -2020- | |
| B-9) | Calorimetric and Small-Angle X-ray Scattering Studies on the Memory Effect in the Tetra-n-butylammonium Bromide Semiclathrate Hydrate System |
| Hironobu Machida, Takeshi Sugahara, Hiroyasu Masunaga, Izumi Hirasawa Journal of Crystal Growth, 533, 125476-1-6 (2020). [DOI] |
|
| -2021- | |
| B-10) | Phase Equilibrium Temperature and Dissociation Enthalpy in the tri-n-Butylalkylphosphonium Bromide Semiclathrate Hydrate Systems |
| Jin Shimada, Masami Shimada, Takeshi Sugahara, Katsuhiko Tsunashima, Yuta Takaoka, Atsushi Tani Chemical Engineering Science, 236, 116514-1-8 (2021). [DOI] |
|
| B-11) | The moment of initial crystallization captured on functionalized nanoparticles |
| Hironobu Machida, Takeshi Sugahara, Izumi Hirasawa Communications Materials, 2, 66-1-7 (2021). [DOI] |
|
| -2022- | |
| B-12) | Thermodynamic Properties of Tetra-n-butylphosphonium Dicarboxylate Semiclathrate Hydrates |
| Jin Shimada, Moe Yamada, Atsushi Tani, Takeshi Sugahara, Katsuhiko Tsunashima, Yusuke Tsuchida, Takayuki Hirai Journal of Chemical & Engineering Data, 67(1), 67-73 (2022). [DOI] |
|
| B-13) | Equilibrium Phase Relations and Dissociation Enthalpies of Tri-n-butylalkenylphosphonium Bromide Semiclathrate Hydrates |
| Sakura Azuma, Jin Shimada, Katsuhiko Tsunashima, Takeshi Sugahara, Atsushi Tani, Takayuki Hirai Journal of Chemical & Engineering Data, 67(6), 1415-1420 (2022). [DOI] |
|
| B-14) | Supercooling Suppression in the Tetrahydrofuran Clathrate Hydrate Formation |
| Hironobu Machida, Takeshi Sugahara, Izumi Hirasawa CrystEngComm, 24, 6730-6738 (2022). [DOI] |
|
| -2023- | |
| B-15) | Effect of Introducing a Cyclobutylmethyl Group to an Onium Cation on the Thermodynamic Properties of Ionic Clathrate Hydrate |
| Sakura Azuma, Jin Shimada, Katsuhiko Tsunashima, Takeshi Sugahara, Takayuki Hirai New Journal of Chemistry, 47(1), 231-237 (2023). [DOI] |
|
| B-16) | Peritectic Phase Behavior of Tetra-n-butylphosphonium Trifluoroacetate Semiclathrate Hydrate |
| Jin Shimada, Masami Shimada, Sakura Azuma, Takeshi Sugahara, Katsuhiko Tsunashima, Takayuki Hirai Fluid Phase Equilibria, 567, 113727-1-5 (2023). [DOI] |
|
| B-17) | Proton Conduction in Tetra-n-butylammonium Bromide Semiclathrate Hydrate |
| Jin Shimada, Yuta Takaoka, Takahiro Ueda, Atsushi Tani, Takeshi Sugahara, Katsuhiko Tsunashima, Hirohisa Yamada, Takayuki Hirai Solid State Ionics, 393, 116188-1-8 (2023). [DOI] |
|
| B-18) | Quasi-Elastic Neutron Scattering Studies on Fast Dynamics of Water Molecules in Tetra-n-butylammonium Bromide Semiclathrate Hydrate |
| Jin Shimada, Atsushi Tani, Takeshi Yamada, Takeshi Sugahara, Takayuki Hirai, Takuo Okuchi Applied Physics Letters, 123(4), 044104-1-6 (2023). [DOI] |
|
| B-19) | Thermodynamic Properties of Tetra-n-butylammonium and Tetra-n-butylphosphonium Hydroxycarboxylate Semiclathrate Hydrates |
| Kazuhiro Minamikawa, Jin Shimada, Takeshi Sugahara, Takayuki Hirai Journal of Chemical & Engineering Data, 68, 3492-3987 (2023). [DOI] |
|
| B-20) | Giant Adiabatic Temperature Change and Its Direct Measurement of a Barocaloric Effect in a Charge-Transfer Solid |
| Shin-ichi Ohkoshi, Kosuke Nakagawa, Marie Yoshikiyo, Asuka Namai, Kenta Imoto, Yugo Nagane, Fangda Jia, Olaf Stefanczyk, Hiroko Tokoro, Junhao Wang, Takeshi Sugahara, Kouji Chiba, Kazuhiko Motodohi, Kazuo Isogai, Koki Nishioka, Takashi Momiki, Ryu Hatano Nature Communications, 14, 8466-1-12 (2023). [DOI] |
|
| -2024- | |
| B-21) | Effects of Halide Anions on the Electrical Conductivity in Single-Crystalline Tetra-n-butylammonium Salt Semiclathrate Hydrates |
| Jin Shimada, Takeshi Sugahara, Atsushi Tani, Takahiro Ueda, Riko Tsugaya, Katsuhiko Tsunashima, Takayuki Hirai Energy & Fuels, 38, 6471-6477 (2024). [DOI] |
|
| B-22) | Effect of Anions on the Memory Effect in the Tetra-n-butylammonium Dicarboxylate Semiclathrate Hydrate Reformation |
| Kazuhiro Minamikawa, Jin Shimada, Takeshi Sugahara, Takayuki Hirai Industrial & Engineering Chemistry Research, 63(43), 18435-18440 (2024). [DOI] |
|
| -2025- | |
| B-23) | Transmission Electron Microscopy Imaging of Cluster Unit Dissolution from a Single Crystal of Tetra-n-butylammonium Fluoride Semiclathrate Hydrate for Latent-Heat Storage Material |
| Hironobu Machida, Takeshi Sugahara, Hideki Hata, Tomohiko Ueda, Tomoya Yamazaki, Yuki Kimura ACS Applied Nano Materials, in press (2025). [DOI] |
|
| B-24) | Tetra-n-butylammonium Tricarboxylate Semiclathrate Hydrates as Phase Change Materials: Phase Equilibrium Relations and Memory Effect in Reformation |
| Kazuhiro Minamikawa, Jin Shimada, Takeshi Sugahara, Takayuki Hirai Energy & Fuels, accepted (2025). [DOI] |
Article (peer-reviewed) - Structures of Clathrate Compounds (not clathrate hydrates) -
| C-1) | Selective CO2 Trapping in Guest-Free Hydroquinone Clathrate Prepared by Gas-Phase Synthesis |
| Yun-Je Lee, Kyu Won Han, Jin Seok Jang, Tae-In Jeon, Jeasung Park, Taro Kawamura, Yoshitaka Yamamoto, Takeshi Sugahara, Thomas Vogt, Jong-Won Lee, Yongjae Lee, Ji-Ho Yoon ChemPhysChem, 12, 1056-1059 (2011). [DOI] |
|
| C-2) | Fast and Reversible Hydrogen Storage in Channel Cages of Hydroquinone Clathrate |
| Kyu Won Han, Yun-Je Lee, Jin Seok Jang, Tae-In Jeon, Jeasung Park, Taro Kawamura, Yoshitaka Yamamoto, Takeshi Sugahara, Thomas Vogt, Jong-Won Lee, Yongjae Lee, Ji-Ho Yoon Chemical Physics Letters, 546, 120-124 (2012). [DOI] |
|
| C-3) | Enclathration of Ethane, Propane, and Propylene into Urea Clathrates and Roles of Methanol on Urea Clathrate Formation |
| Takahiro Yamazaki, Tomohiro Tanabe, Takeshi Sugahara ACS Omega, 3(10), 13154-13159 (2018). [DOI] |
|
| C-4) | Separation of Propane and Propylene by Urea Clathrate Formation |
| Ryosuke Kobatake, Takeshi Sugahara, Takayuki Hirai Industrial & Engineering Chemistry Research, 62, 21380-21384 (2023). [DOI] |
Article (peer-reviewed) - Others -
| D-1) | Non-Equilibrium MD Studies on Gas Permeation through Carbon Membranes with Belt-like Heterogeneous Surfaces |
| Shin-ichi Furukawa, Takeshi Sugahara, Tomoshige Nitta Journal of Chemical Engineering of Japan, 32(2), 223-228 (1999) [DOI] |
|
| D-2) | Pressure-Induced Evolution in Durability of Nickel-Metal Hydride Battery under High-Current Charge |
| Kouji Maeda, Masato Moritoki, Shinji Yae, Keisuke Fukui, Naoki Fukumoto, Takeshi Sugahara Physical Chemistry Chemical Physics, 24, 14085-14091 (2022) [DOI] |
| X-1) | Phase Behavior for Pure and MIxed Gas Hydrate Systems |
| Takeshi Sugahara, Keisuke Sugahara, Kazunari Ohgaki The Review of High Pressure Science and Technology, 12(1), 34-39 (2002) [JOI] |
|
| X-2) | Phase Behavior and Structural Phase Transition of Methane Hydrates |
| Kazunari Ohgaki, Takeshi Sugahara Bulletin of the Society of Sea Water Science, Japan, 56(4), 292-296 (2002) |
|
| X-3) | Interesting and Significant Behavior for the Mixed Gas Hydrates |
| Takeshi Sugahara, Takashi Makino Seminor Series of The Japan Society of High Pressure Science and Technology , 26, 1-8 (2003) |
|
| X-4) | Affairs and Problems for the Applicable Research Using Gas Hydrates |
| Takeshi Sugahara Seminor Series of the Heat Transfer Society of Japan, Chugoku-Shikoku Branch, 16, 38-47 (2004) |
|
| X-5) | Thermodynamic Stability of Gas Hydrates and Cage Occupancy of Guest Species |
| Takeshi Sugahara The Review of High Pressure Science and Technology, 16(2), 155-166 (2006)(Review in remembrance of Prize for encouragement) [JOI] |
|
| X-6) | Capability of Gas Hydrates as Hydrogen Storage Medium |
| Kazunari Ohgaki, Takeshi Sugahara Journal of The Hydrogen Energy Systems Society of Japan, 32(4), 20-26 (2007) |
|
| X-7) | Storage Capacity of Hydrogen on Gas Hydrates: - Current State and Assignment - |
| Shunsuke Hashimoto, Takeshi Sugahara, Hiroshi Sato, Kazunari Ohgaki Catalysts and Catalysis, 51(4), 298-303 (2009). |
|
| X-8) | Science and Engineering on Gas Hydrates |
| Takeshi Sugahara, Kazunari Ohgaki Chemical Education, 60(1), 8-13 (2012). |
|
| X-9) | Molecular Hydrogen Storage at Milder Temperatures and Pressures |
| Takeshi Sugahara Departmental Bulletin Paper of Low-Temperature Center in Osaka Univ., 157, 1-5 (2012). [link] |
|
| X-10) | Characteristics of Gas Hydrates through Observation of Radical Species |
| Atsushi Tani, Takeshi Sugahara, Motoi Oshima, Kei Takeya, Kazunari Ohgaki Low Temperature Science, 71, 187-192 (2013). [Link] |
|
| X-11) | Prospects for the Development of Phase Equilibrium Estimation of Clathrate Hydrates Based on van der Waals & Platteeuw Model - Report from the Symposium at the 53rd High Pressure Conference of Japan - |
| Tsutomu Uchida, Takeshi Sugahara, Kazunari Ohgaki, Hideki Tanaka, Satoshi Takeya, Atsushi Tani The Review of High Pressure Science and Technology, 23(2), 141-147 (2013). [DOI] |
|
| X-12) | Gas Separation Using Gas Hydrates |
| Takeshi Sugahara Bunri Gijyutu, 47(3), 29-34 (2017). |
|
| X-13) | Cage Occupancy of Guest Molecules and Thermodynamic Stability of Gas Hydrates (written in Japanese) |
| Takeshi Sugahara Refrigeration, 93, 13-17 (2018). |
|
| X-14) | Equilibrium Phase Relations of Gas Hydrates and Cage Occupancy of Guest Species (written in Japanese) |
| Takeshi Sugahara Journal of the Japan Institute of Energy "Enermix", 98(1), 47-51 (2019). |
|
| X-15) | Hysteresis of Crystallization Derived from Residual Solution Structures after Semiclathrate Hydrate Decomposition (written in Japanese) |
| Takeshi Sugahara, Hironobu Machida Japanese J. Multiphase Flow, 35(4), 516-524 (2021). |
|
| X-16) | Structural Evaluation of Tetra-n-butylammonium Bromide Supercooled Aqueous Solution (written in Japanese) |
| Hiroyasu Masunaga, Hironobu Machida, Tetsuo Katayama, Yoshinori Nishino, Akihiro Suzuki,Takeshi Sugahara Spring-8/SACLA Research Report, 11(5), 382-386 (2021). |
|
| X-17) | Dynamics of Water Molecules around Ions in the Crystalline Solids (written in Japanese) |
| Jin Shimada, Takeshi Sugahara, Takayuki Hirai Chemistry, 79(1), 33-36 (2024). |
|
| X-18) | Phase Behavior of Clathrate Hydrates Including Carbon Dioxide (written in Japanese) |
| Takeshi Sugahara Journal of the Japan Institute of Energy "Enermix"，103(2), 152-158 (2024). |
|
| X-19) | Potential of Clathrate Hydrate as a Cold Storage Material (written in Japanese) |
| Hironobu Machida, Takeshi Sugahara Journal of the Japan Institute of Energy "Enermix"，103(2), 173-178 (2024). |
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