論文

• Satoshi Aya, Yuji Sasaki, Hideo Takezoe, Ken Ishikawa, Kenji Ema, Takaaki Hikima, Masaki Takata, Fumito Araoka. Thermodynamically Anchoring-Frustrated Surface to Trigger Bulk Discontinuous Orientational Transition, Langmuir, Vol. 32, 10545-10550, Sept. 2016.
• J. Morikawa, T. Hashimoto, A. Kishi, Y. Shinoda, K. Ema, H. Takezoe. Critical anomalies in thermal diffusivity of liquid crystalline terephthal-bis-(4- n - butylaniline), Physical Review E, Vol. 87, p. 022501, Feb. 2013.
• Y. Sasaki, H. Nagayama, F. Araoka, H. Yao, H. Takezoe, K. Ema. Distinctive Thermal Behavior and Nanoscale Phase Separation in the Heterogeneous Liquid-Crystal B4 Matrix of Bent-Core Molecules, Physical Review Letters, American Physical Society, Vol. 107, 237802, Dec. 2011.
• A.V. Emelyanenko, 謝, Y. Sasaki, F. Araoka, K. Ema, K. Ishikawa, H. Takezoe. Two transitions between isotropic and nematic phases in confined liquid crystals, Phys. Rev. E, Vol. 84, 041701-1-4, Sept. 2011.
• H. Nagayama, Y. Sasaki, F. Araoka, K. Ema, K. Ishikawa, H. Takezoe. Discrete and sequential formation of helical nanofilaments in mixtures consisting of bent- and rod-shaped molecules, Soft Matter, Vol. 7, 8766-8769, Sept. 2011.
• K. V. Le, S. Aya, Y. Sasaki, H. Choi, F. Araoka, K. Ema, J. Mieczkowski, A. Jakli, K. Ishikawa, H. Takezoe. Liquid Crystalline amorphous blue phase and its large electrooptical Kerr effect, J. Mater. Chem, Vol. 21, 2855-2857, Sept. 2011.
• Y. Sasaki, K. Ema, K. V. Le, H. Takezoe, S. Dhara, B. K. Sadashiva. Calorimetric study of the effect of bent-shaped dopant molecules on the critical behavior at the nematic-smectic-Ad phase transition, Phys. Rev. E, Vol. 83, pp. 061701-1-9, Sept. 2011.
• Y. Sasaki, Y. Setoguchi, H. Nagayama, H. Yao, H. Takezoe, K. Ema. Calorimetric studies on isotropic-B4 phase transition in the mixture of bent-shaped and rod-like molecules, Physica E, Vol. 43, pp. 779-781, Sept. 2011.
• S. Aya, Y. Sasaki, F. Araoka, K. Ishikawa, K. Ema, H. Takezoe. Isotropic-nematic transition at surface of a liquid crystal embedded in aerosol network, Phys. Rev. E, 83, 061714-1-5., Sept. 2011.
• Satoshi Aya, Sasaki Yuji, Fumito Araoka, Kenji Ema, Ken Ishikawa, Alexander V. Emelyanenko, Hideo Takezoe. Observation of Two Isotropic-Nematic Phase Transitions Near a Surface, PHYSICAL REVIEW LETTERS, Vol. 106, page 117801, Mar. 2011.
• HIDEO TAKEZOE, Y. Sasaki, KENJI EMA, Van Khoa Le, Dhara Surajit, B. K. Sadashiva. Thermal fluctuations of bent-shaped molecules in the smectic-A2 background, Phys. Rev. E, 2010.
• KENJI EMA. Quasi-two-dimensional Ising critical behavior of de Vries liquid crystals observed in the heat capacity and dielectric response, Physical Review E, Vol. 75, No. 3, p. 031704, Mar. 2007.
• K.Takekoshi, K.Ema, H.Yao, Y.Takanishi, J.Watanabe, H.Takezoe. Appearance of a Liquid Crystalline Nematic-Isotropic Critical Point in a Mixture System of Rod- and Bent-Shaped Molecules, Physical Review Letters, Vol. 97, pp. 197801-1-4, 2006.
• Z.Q.Liu, S.T.Wang, B.K.McCoy, A.Cady, R.Pindak, W.Caliebe, K.Takekoshi, K.Ema, H.T.Nguyen, C.C.Huang. Smectic-C_alpha*-smectic-C* phase transition and critical point in binary mixtures, Physical Review E, Vol. 74, pp. 030702(R)-1-4, 2006.
• K. Ema, K. Takekoshi, H. Yao, S.T. Wang, C.C. Huang. Calorimetric investigations of liquid-crystal compounds exhibiting almost no layer-shrinkage behavior through the smectic-A-smectic-C* transition, Physical Review E, Vol. 71, pp. 031706, 2005.
• C.C.Huang, Z.Q.Liu, A.Cady, R.Pindak, W.Caliebe, P.Barois, H.T.Nguyen, K.Ema, K.Takekoshi, H.Yao. Optical, resonant X-ray scattering, and calorimetric investigations of two liquid crystal compounds exhibiting the SmA-SmC_alpha*-SmC* transitions, Liquid Crystals, Vol. 31, No. 1, pp. 127-135, 2004.
• C.C.Huang, S.T.Wang, X.F.Han, A.Cady, R.Pindak, W.Caliebe, K.Ema, K.Takekoshi, H.Yao. Experimental investigations of one liquid-crystal compound exhibiting the no-layer-shrinkage effect near the Sm-A--Sm-C* transition, Physical Review E, Vol. 69, pp. 041702, 2004.
• KENJI EMA. ac nanocalorimeter for measuring heat capacity of biological macromolecules in solution, Rev. of Sci. Instrum., Vol. 74, No. 9, pp. 4164-4168, 2003.
• KENJI EMA. Critical specific heat anomaly in antiferroelectric liquid crystals -crossover, and multicritical phenomena, Ferroelectrics, Vol. 267, pp. 255-262, 2002.
• K. Ema, H. Yao, T. Takanishi, H. Takezoe, T. Kusumoto, H. Hiyama, A. Yoshizawa. Anomalous behaviours of the heat capacity in a liquid crystal showing a re-entrant isotropic phase, Liq. Cryst., Vol. 29, No. 2, pp. 221-225, 2002.
• K. Ema, H. Yao, T. Matsumoto, A. Fukuda. AC calorimetric investigations of heat anomaly in frustoelectric liquid crystals, Mol. Cryst. Liq. Cryst., Vol. 364, pp. 335-345, 2001.
• 江間健司. 第６回熱測定に関するレーンビッツセミナー, 固体物理, Vol. 35, No. 11, pp. 925-927, 2000.
• 江間健司. 強誘電・反強誘電性液晶の臨界現象, 固体物理, Vol. 35, No. 9, pp. 671-680, 2000.
• Kenji Ema, Masashi Kanai, Haruhiko Yao, Yoichi Takanishi, Hideo Takezoe. Effect of optical purity on the critical heat capacity at the smectic-A-(chiral)-smectic-C transition in an antiferroelectric liquid crystal, Phys. Rev. E, Vol. 61, No. 2, pp. 1585-1592, 2000.
• Kenji Ema, Haruhiko Yao, Takahiro Matsumoto, Atsuo Fukuda. Critical Heat Anomaly in Frustoelectric Liquid Crystals, Mol. Cryst. Liq. Cryst., Vol. 346, pp. 97-106, 2000.
• K.Ema, H.Yao. Crossover from XY critical to tricritical behavior of heat capacity at the smectic-A-chiral-smectic-C liquid-crystal transition, Phys. Rev. E, Vol. 57, pp. 6677-6684, 1998.
• KENJI EMA. Nonadiabatic scanning calorimeter, Rev. Sci. Instrum., Vol. 69, pp. 172-178, 1998.
• K.Ema, A.Takagi, H.Yao. Gaussian tricritical behavior of heat capacity at the smectic-A-smectic-C liquid crystal transition in a racemic mixture of 4-(1-methylheptyloxycarbonyl)phenyl 4'-octyloxybiphenyl-4-carboxylate, Phys. Rev. E, Vol. 55, pp. 508-513, 1997.
• K.Uchida, H.Yao, H.Yao, KENJI EMA. Effect of chain length on the heat-capacity anomaly at the gel to liquid-crystalline phase transition in unilamellar vesicles of phosphatidylcholine, Phys. Rev. E, Vol. 56, pp. 661-666, 1997.
• K.Ema, H.Yao. Some aspects of recent improvements of temperature-modulated calorimeter, Thermochim. Acta, Vol. 304-305, pp. 157-163, 1997.
• K.Ema, H.Yao, A.Fukuda, Y.Takanishi, H.Takezoe. Non-Landau critical behavior of heat capacity at the smectic-A-smectic-C┣D3*(/)α┫D3 tran-sition of the antiferroelectric liquid crystal methylheptyloxycarbonylphenyl octyl-oxycarbonylbiphenyl carboxylate, Phys. Rev. E, Vol. 54, pp. 4450-4453, 1996.
• KENJI EMA. Crossover from XY critical to tricritcal behavior of heat capacity at the smectic-A-chiral-smectic-C liquid crystal transition, Physical Review E, Vol. 54, No. 1, pp. R25-R28, 1996.
• K.Ema, A.Takagi, H.Yao. Gaussian Tricritical Behavior of Heat Capacity at the Smectic-A-Smectic-C Liquid Crystal Transition, Phys.Rev.E, Vol. 53, pp. R3036-R3039, 1996.
• K.Ema, H.Yao, K.Itoh. Critical Heat Capacity of Antiferroelectric Liquid Crystal 12BIMF10, Ferroelectrics, Vol. 178, pp. 221-227, 1996.
• KENJI EMA. Dynamic Heat Capacity at the Gel to Liquid-Crystalline Phase Transition in Large Unilamellar Vesicles of DimyristoylPhosphatidylCholine in the Ultralow Frequency Region, Phys. Rev. E, Vol. 51, No. 4, pp. 3363, 1995.
• KENJI EMA. High-Resolution Heat Capacity Measurement on Ferroelectrics by AC Calorimetry K.Ema, Ferroelectrics, pp. 147, 1995.
• KENJI EMA. Three Dimensional XY Critical Behavior of Heat Capacity at Normal-Incommensurate Phase transition in Rb┣D22┫D2ZnCl┣D24┫D2, J. Phys. Coc. Jpn., Vol. 64, No. 3, pp. 822, 1995.
• KENJI EMA. Effect of Vesicle Size on the Hert Capacity Anomaly at the Gel to Liquid-Crystalline Phase Transition in Unilamellar Vesicles of Dimyristoylphosphatidylcholine, Phys.Rev.E, pp. 4244-4250, 1995.
• KENJI EMA. Critical Behavior of Heat Capacity at the Smectic-C┣D2α┫D2'-Smectic-A Transition of the Antiferroelectric Liquid Crystal Methylheptyloxycarbonylphenyl Octyoxybiphenyl Carboxylate(MHPOBC), Phys.Rev.E, pp. 1216-1219, 1995.
• KENJI EMA. Preasymptotic 3D XY Critical Behavior of Heat Capacity at Normal-Incommensurate Phase Transition in K┣D22┫D2ZnCl┣D24┫D2 and K┣D22┫D2SeO┣D24┫D2, J.Phys.Soc.Jpn., Vol. 11, pp. 4258-2464, 1995.
• KENJI EMA. Slow Relaxation Process in the Main Transition of Phosphatidylcholines Studied with Heat Capacity Spectroscopy I. Multilamellar Vesicles, Biochim. Biophys. Acta, Vol. 1212, pp. 73, 1994.
• KENJI EMA. Heat Capacity of Antiferroelectric Liquid Crystals, Ferroelectrics, Vol. 156, pp. 173, 1994.
• KENJI EMA. Complex Calorimeter with AC-and Relaxation-Mode Operation(共著), Japanese Journal of Applied Physics, Vol. 32, No. 4, pp. 1846-1850, 1993.
• KENJI EMA. Some Aspects in Recent Development in ac-Calorimetry, Netsu Sokutei, Vol. 20, No. 3, pp. 146-153, 1993.
• K.Ema, H.Yao, I.Kawamura, T.Chan, C.W.Garland. High-Resolution Calorimetric Study of the Antiferroelectric Liquid Crystals Methylheptyloxy Carbonylphenyl Octyloxybiphenyl Carboxylate and its Octylcarbonylbiphenyl Analog(共著), (Phys. Rev. E), Vol. 47, No. 2, pp. 1203-1211, 1993.
• KENJI EMA. Observation of Slow Dynamic Process during the Main Transition in DSPC by Time-Dependent Heat Capacity Measurement, AIP Conference Proceedings, No. 256, pp. 473-474, 1992.
• KENJI EMA. Heat Capacity of Antiferrolectric MHPOBC, Kotai-Butsuri(Solid State Physics), Vol. 27, No. 9, pp. 620, 1992.
• KENJI EMA. Relaxation Process in the Incommensurate Phase of NaNO┣D22┫D2, Ferroelectrics, No. 105, pp. 153, 1990.
• KENJI EMA. A Phenomenological Theory for Dielectric Anomaly near the Normal-Incommensurate-Commensurate Phase Transitions of Type-II, J. Phys. Soc. Jpn, Vol. 59, No. 4, pp. 1438-1450, 1990.
• KENJI EMA. Calorimetric Study of Smectic Polymorphism in Octyloxyphenyl-Nitrobenzoyloxy Benzoate+Decyloxyphenyl-Nitrobenzoyloxy Benzoate Mixtures, Phys. Rev. A, Vol. 39, No. 5, pp. 2599-2608, 1989.
• K.Ema, C.W.Garland, G.Sigaud, N.H.Tinh. Heat Capacity Associated with Nematic-Smectic A1-Smectic-A -Smectic A(crenelated)-Smectic A2 Phase Sequence, Phys. Rev. A, Vol. 39, No. 3, pp. 1369-1375, 1989.
• KENJI EMA. Dielectric Study of Relaxation Process in the Incommensurate Phase of Sodium Nitrite, J. Phys. Soc. Jpn., Vol. 57, No. 6, pp. 2174, 1988.

著書

• 江間健司, 岡林潤, 小野俊雄, 垣本史雄, 菊地俊行, 北島宏輝, 常定芳基, 松葉健, 八尾晴彦. 基礎物理学実験, Apr. 2008.
• 江間健司. 基礎物理学課程「力学」, 培風館, 培風館, 2003.
• 小野寺彰, 小島誠治, 江間健司. 第１０回国際強誘電体会議, 固体物理, 固体物理, Vol. 37, No. 3, pp. 196-200, 2002.

国際会議発表 (査読有り)

• Hiroki Nagayama, Yuji Sasaki, Fumito Araoka, Ken Ishikawa, Kenji Ema, Hideo Takezoe. Phase Transition in Mixtures Consisting of Bent-Core and Rod Molecules, The 23rd International Liquid Crystal Conference, July 2010.
• Taketo Otani, Shin Matsumoto, Yoichi Takanishi, Yuji Sasaki, Fumito Araoka, Ken Ishikawa, Kenji Ema, Junji Watanabe, Keiki Kishikawa, Hideo Takezoe. Phase behavior of binary mixtures formed by bent-core and rod-like achiral molecules, The 22nd International Liquid Crystal Conference, June 2008.
• KENJI EMA. Study of dielectric dispersion in non-layer-shrinkage liquid crystal compounds, FLC2007, Ferroelectrics, Vol. 364, pp. 7-12, 2008.

国内会議発表 (査読なし・不明)

• 永山 裕貴, 佐々木 裕司, 荒岡 史人, 石川 謙, 江間 健司, 竹添 秀男. 屈曲型分子と棒状分子の混合系における相転移挙動, 2010年日本液晶学会討論会, Sept. 2011.

その他の論文・著書など

• C.C. Huang, Shun Wang, LiDong Pan, Z.Q. Liu, B.K. McCoy, Yuji Sasaki, Kenji Ema, P. Barois, Ron Pindak. Liquid crystal mesophases beyond commensurate fourlayer periodicity, Liquid Crystals Reviews, Vol. 3, No. 1, 2015.
• 八尾晴彦, 江間健司. 液晶の臨界熱異常, 熱測定, Vol. 32, No. 5, pp. 241-248, 2005.

学位論文

• TGS系強誘電体における臨界現象の研究,  本文,  理学博士,  東京工業大学,  1983/03/31,   

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