研究成果<2016/2015/2014/2013/2012/2011/2010/2009/2008/2007以前>


<2007>

H. Ahn, A. Ohno, and J. Hanna, "Impurity effects on charge carrier transport in various mesophases of smectic liquid crystals" J. Appl. Phys. 102, 093718 (2008).

A. Ohno, A. Haruyama, K. Kurotaki, and J. Hanna, "Charge-carrier transport in smectic mesophases of biphenyls" J. Appl. Phys. 102, 083711 (2008).

K. Tokunaga, H. Iino, and J. Hanna, "Reinvestigation of Carrier Transport Properties in Liquid Crystalline 2-Phenylbenzothiazole Derivatives" J. Phys. Chem. B 111, 12041-12044 (2007).

T. Toda, J. Hanna, and T. Tani, "Electronic structure and charge injection at interface between electrode and liquid-crystalline semiconductor", J. Appl. Phys. 101, 024505 (2007).

<2006>

C. Lim, J. Hanna, "Improvements in electrical characteristics of plasma enhanced chemical vapor deposition-tetraethylorthosilicate-SiO2 by atomic hydrogen passivation via hot-wire technique " Jpn. J. Appl. Phys. 45, L1270-L1272 (2006).

K. Kurotaki, A. Haruyama, Y. Takayashiki, and J. Hanna, "Electronic Conduction in Biphenyl Liquid Crystals" Chem. Lett. 35, 1194-1195 (2006).

T. Tani, K. Seki, K. Yoshihara, and J. Hanna "Thin organic layers for photography and electronic devices" Int. J. Photo. 18482 (2006).

H. Iino and J. Hanna, "Availability of Liquid Crystalline Molecules for Polycrystalline Organic Semiconductor Thin Films" Jpn. J. Appl. Phys. 45, L867-L870 (2006).

M. Wakagi, Y. Yonamoto, K Ogata, K. Shimzu, and J. Hanna, "EXAFS study on poly-Si1-XGeX films prepared by reactive thermal CVD method" J. Non-Cryst. Solids 352, 3191-3195 (2006).

H. Iino, J. Hanna, R. J. Bushby, B. Movaghar, and B. J. Whitaker, "Hopping conduction in the columnar liquid crystal phase of a dipolar discogen" J. Appl. Phys. 100, 043716 (2006).

J. J. Zhang, K. Shimizu, Y. Zhao, J. M. Xue, X. H. Geng, S. Z. Xiong, C. Y. Wu, and J. Hanna, "Influences of GeF4 on poly-SiGe films prepared by reactive thermal CVD", J. Non-Cryst. Solids 352, 1275-1278 (2006).

J. J. Zhang, K. Shimizu, Y. Zhao, X. H. Geng, J. Hanna, "Silicon-based narrow-bandgap thin-film semiconductor materials: polycrystalline SiGe prepared by reactive thermal CVD" Phys. Stat. Sol. A 203, 760-775 (2006).

H. Iino, J. Hanna, D. Haarer, and R. J. Bushby, "Fast Electron Transport in Discotic Columnar Phases of Triphenylene Derivatives" Jpn. J. Appl. Phys. 45, 430-433 (2006).

<2005>

J. Hanna, "Towards a new horizon of optoelectronic devices with liquid crystals" Opto-Electronics Review 13, 295-302 (2005).

H. Iino and J. Hanna, "Ambipolar charge carrier transport in liquid crystals" Opto-Electronics Review 13, 259-267 (2005).

H. Iino, A. Ohno, and J. Hanna, "Hole mobility and lifetime in a smectic liquid crystalline photoconductor of a 2-phenylnaphthalene derivative" J. Chem. Phys. 123, 244701 (2005).

H. Iino, J. Hanna, and D. Haarer, "Electronic and ionic carrier transports in discotic liquid crystalline photoconductors" Phys. Rev. B 72, 193203 (2005).

H. Iino and J. Hanna, "Electronic and ionic transports for negative charge carriers in a smectic liquid crystalline photoconductor" J. Phys. Chem. B 109, 22120-22125 (2005).

H. Iino, Y. Takayashiki, J. Hanna, R. J. Bushby, and D. Haarer, "High electron mobility of 0.1 cm2V-1s-1 in the highly ordered columnar phase of hexahexylthiotriphenylene" Appl. Phys. Lett. 87, 192105 (2005).

H. Iino, J. Hanna, R. J. Bushby, B. Movaghar, B. J. Whitaker, and M. J. Cook, "Very high time-of-flight mobility in the columnar phases of a discotic liquid crystal" Appl. Phys. Lett. 87, 132102 (2005).

H. Iino, J. Hanna, C. Jager, and D. Haarer, "Fast electron transport in discotic columnar phase of triphenylene derivative, hexabutyloxytriphenylene" Mol. Cryst. Liq. Cryst. 436, 1171-1178 (2005).

M. Funahashi, "High Carrier Mobility up to 0.1cm2/Vs at Ambient Temperatures in Thiophene-Based Smectic Liquid Crystals" Adv. Mater. 17, 594 - 598 (2005).

H. Iino, Y. Takayashiki, J. Hanna, and R. J. Bushby, "Fast Ambipolar Carrier Transport and Easy Homeotropic Alignment in a Metal-Free Phthalocyanine Derivative" Jpn. J. Appl. Phys. 44, L1310-L1312 (2005).

H. Ahn, A. Ohno, and J. Hanna, "Detection of Trace Amount of Impurity in Smectic Liquid Crystals" Jpn. J. Appl. Phys. 44, 3764-3768 (2005).

M. Kawamoto, H. Mochizuki, T. Ikeda, H. Iino, and J. Hanna, "Charge carrier transport properties in polymer liquid crystals containing oxadiazole and amine moieties in the same side chain" J. Phys. Chem. B 109, 9226-9230 (2005).

M. Funahashi, "High Carrier Mobility up to 0.1cm2/Vs and a Wide Mesomorphic Temperature Range of Alkynyl-Substituted Terthiophene and Quaterthiophene Derivatives" Mol. Cryst. Liq. Cryst. 436, 1179-1189 (2005).

<2004>

H. Zhang and J. Hanna "High mu tau product in a smectic liquid crystalline photoconductor of a 2-phenylnaphthalene derivative" Appl. Phys. Lett. 85, 5251-5253 (2004).

M. Funahashi and J. Hanna "Impurity effect on charge carrier transport in smectic liquid crystals" Chem. Phys. Lett. 397, 319-323 (2004).

N. Yoshimoto, M. Funahashi, and J. Hanna "Charge transport in liquid crystalline semiconductor and crosslinked polymer composite" Mol. Cryst. Liq. Cryst. 409, 493-504 (2004).

M. Funahashi and J. Hanna "Mesomorphic behaviors and charge carrier transport in terthiophene derivatives" Mol. Cryst. Liq. Cryst. 410, 529-540 (2004).

Y. Takayashiki and J. Hanna "Synthesis and characterization of liquid crystalline semiconducting materials, dialkyl-2-phenylnaphthalene derivatives-mesomorphic behavior and charge carrier transport" Mol. Cryst. Liq. Cryst. 411, 1307-1314 (2004).

J. W. Lee, K. Shimizu, and J. Hanna, "Deposition of high crystallinity poly-Si films on glass substrate and fabrication of high mobility bottom-gate TFT", J. Non-Cryst. Solids 338, 173-177 (2004).

K. Shimizu, N. Kohama, T. Tani, and J. Hanna, "Post hydrogenation effect by hot wire method on poly-crystalline silicon based devices", J. Non-Cryst. Solids 338, 403-407 (2004).

J. J. Zhang, K. Shimizu, and J. Hanna, "High mobility top-gate thin film transistors fabricated with poly-Sil-xGex thin films on glass substrate", J. Non-Cryst. Solids 338, 740-743 (2004).

A. Ohno and J. Hanna, "Extraction of trap distribution in organic semiconductors by transient photocurrent", Jpn. J. Appl. Phys. 43, L460-L463 (2004).

<2003>

J. W. Lee, K. Shimizu, and J. Hanna, "Deposition and characterization of polycrystalline silicon thin-films by reactive thermal chemical vapour deposition at 450 degrees C" Solid State Phenomena 93, 281-286 (2003).

N. Yoshimoto and J. Hanna, "Preparation of a novel organic semiconductor composite consisting of a liquid crystalline semiconductor and crosslinked polymer and characterization of its charge carrier transport properties" J. Mater. Chem. 13, 1004-1010 (2003).

J. J. Zhang, K. Shimizu, and J. Hanna "Ni-seeding effects on the properties of polycrystalline silicon-germanium grown at low temperature" Appl. Phys. Lett. 82, 1745-1747 (2003).

A. Ohno and J. Hanna "Simulated carrier transport in smectic mesophase and its comparison with experimental result" Appl. Phys. Lett. 82, 751-753 (2003).

<2002>

N. Yoshimoto and J. Hanna "A novel charge transport material fabricated using a liquid crystalline semiconductor and crosslinked polymer" Adv. Mater. 14, 988-991 (2002).

J. J. Zhang, K. Shimizu, and J. Hanna, "Low temperature poly-SixGe1-x deposited by reactive thermal CVD for thin film transistor application", J. Non-Cryst. Solids 299, 163-167 (2002).

<2001>

H. Maeda, M. Funahashi, and J. Hanna "Electrical properties of domain boundary in photoconductive smectic mesophases and their crystal phases" Mol. Cryst. Liq. Cryst. 366, 2221-2228 (2001).

M. Funahashi and J. Hanna "Probe of molecular ordering in photoconductive smectic mesophases by transient photocurrent measurement" Mol. Cryst. Liq. Cryst. 368, 4071-4078 (2001).

<2000>

H. Maeda, M. Funahashi, and J. Hanna "Effect of domain boundary on carrier transport of calamitic liquid crystalline photoconductive materials" Mol. Cryst. Liq. Cryst. 346, 183-192 (2000).

K. Shimizu and J. Hanna, "Low-temperature growth of polycrystalline Si and Ge films by redox reactions of Si2H6 and GeF4" J. Organometallic chem. 611, 531-536 (2000).

H. Zhang and J. Hanna, "Electrode effect on photohole generation in smectic phenylnaphthalene liquid crystalline photoconductor" J. Appl. Phys. 88, 270-277 (2000).

M. Funahashi and J. Hanna, "High ambipolar carrier mobility in self-organizing terthiophene derivative" Appl. Phys. Lett. 76, 2574-2576 (2000).

<1999>

K. Kurotaki and J. Hanna, "Carrier transport in molecularly diluted liquid crystalline photoconductor" J. Img. Sci. Tech. 43, 237-241 (1999).

K. Kogo, H. Maeda, H. Kato, M. Funahashi, and J. Hanna, "Photoelectrical properties of a ferroelectric liquid crystalline photoconductor" Appl. Phys. Lett. 75, 3348-3350 (1999).

M. Funahashi and J. Hanna, "Carrier transport in calamitic mesophases of liquid crystalline photoconductor 2-phenylnaphthalene derivatives" Mol. Cryst. Liq. Cryst. 331, 2369-2376 (1999).

H. Zhang and J. Hanna, "Photocarrier generation in smectic phenylnaphthalene liquid crystalline photoconductor" J. Phys. Chem. B 103, 7429-7434 (1999).

M. Funahashi and J. Hanna, "Microsecond photoresponse in liquid crystalline photoconductor doped with C-70 under illumination of visible light" Appl. Phys. Lett. 74, 2584-2586 (1999).

M. Funahashi and J. Hanna, "Photoconductive anisotropy in smectic liquid crystalline photoconductor, 2-(4 '-octylphenyl)-6-dodecyloxynaphthalene" Jpn. J. Appl. Phys. 38, L132-L135 (1999).

<1998>

M. Funahashi and J. Hanna, "Anomalous high carrier mobility in smectic E phase of a 2-phenylnaphthalene derivative" Appl. Phys. Lett. 73, 3733-3735 (1998).

K. Kogo, T. Goda, M. Funahashi, and J. Hanna, "Polarized light emission from a calamitic liquid crystalline semiconductor doped with dyes" Appl. Phys. Lett. 73, 1595-1597 (1998).

K. Shiota, D. Inoue, K. Minami, and J. Hanna, "Structural and electrical properties of poly-SiGe thin films prepared by reactive thermal CVD" J. Non-Cryst. Solids 230, 1074-1078 (1998).

<1997>

M. Funahashi and J. Hanna, "First electronic conduction with high hole mobility in smectic A phase of a calamitic liquid crystal" Mol. Cryst. Liq. Cryst. 304, 429-434 (1997).

K. Shiota, D. Inoue, K. Minami, M. Yamamoto, J. Hanna, "High crystallinity poly-SixGe1-x at 450 degrees C on amorphous substrates" Jpn. J. Appl. Phys. 36, L989-L992 (1997).

M. Funahashi and J. Hanna "Fast ambipolar carrier transport in smectic phases of phenylnaphthalene liquid crystal" Appl. Phys. Lett. 71, 602-604 (1997).

M. Funahashi and J. Hanna "Fast hole transport in a new calamitic liquid crystal of 2-(4'-heptyloxyphenyl)-6-dodecylthiobenzothiazole", Phys. Rev. Lett. 78, 2184-2187 (1997).

<1996>

J. Hanna, T. Ohuchi, and M. Yamamoto, "Direct fabrication of SiGe crystallites on glass substrate: From nanocrystals to microcrystals" J. Non-Cryst. Solids 200, 879-882 (1996).

M. Funahashi and J. Hanna, "Photoconductive behavior in smectic A phase of 2-(4'-heptyloxyphenyl)-6-dodecylthiobenzothiazole" Jpn. J. Appl. Phys. 35, L703-L705 (1996).

<1994>

M. Yamamoto, Y. Takada, and J. Hanna, "Selective growth of Ge in GeF4-Si2H6 system" Appl. Phys. Lett. 64, 3467-3469 (1994).

<1993>

M. Yamamoto, J. Hanna, and M. Miyauchi, "New low-pressure chemical-vapor-deposition technique for Ge Crystalline thin-films" Appl. Phys. Lett. 63, 2508-2510 (1993).