Haifeng Yu, Atsushi Shishido, Tomokazu Iyoda and Tomiki Ikeda*.Photoinduced Alignment and Multi-Processes of Refractive-Index Gratings in Pre-Irradiated Films of an Azobenzene-Containing Liquid-Crystalline Polymer.Molecular Crystals and Liquid Crystals,470,71-81,2007,10.1080/15421400701492788 Haifeng Yu, Sadayuki Asaoka, Atsushi Shishido, Tomokazu Iyoda and Tomiki Ikeda*.Photoinduced Nanoscale Cooperative Motion in a Well-Defined Triblock Copolymer.Small,3,768-771,2007,10.1002/smll.200600724 Haifeng Yu, Atsushi Shishido, Tomokazu Iyoda and Tomiki Ikeda*.Novel Wormlike Nanostructures Self-Assembled in a Well-Defined Liquid-Crystalline Diblock Copolymer with Azobenzene.Macromolecular Rapid Communications,28,927-931,2007,10.1002/marc.200600901 Haifeng Yu, Jingze Li, Tomiki Ikeda* and Tomokazu Iyoda*.Macroscopic Parallel Nanocylinder Array Fabrication Using a Simple Rubbing Technique.Advanced Materials,18,2213-2215,2006,10.1002/adma.200600582 Haifeng Yu, Tomokazu Iyoda and Tomiki Ikeda*.Photoinduced Alignment of Nanocylinders by Supramolecular Cooperative Motions.The Journal of American Chemical Society,128,11010-11011,2006,10.1021/ja064148f Haifeng Yu, Atsushi Shishido, Tomiki Ikeda* and Tomokazu Iyoda.Novel Amphiphilic Diblock and Triblock Liquid-Crystalline Copolymers with Well-Defined Structures Prepared by Atom Transfer Radical Polymerization.Macromolecular Rapid Communications,26,1594-1598,2005,10.1002/marc.200500498 Haifeng Yu, Kunihiko Okano, Atsushi Shishido, Tomiki Ikeda*, Kaori Kamata, Motonori Komura and Tomokazu Iyoda.Enhancement of Surface-Relief Gratings Recorded in Amphiphilic Liquid-Crystalline Diblock Copolymer by Nanoscale Phase Separation.Advanced Materials,17,2184-2188,2005,10.1002/adma.200500346 Haifeng Yu, Tomokazu Iyoda, Kunihiko Okano, Atsushi Shishido and Tomiki Ikeda*.Photoresponsive Behavior and Photochemical Phase Transition of Amphiphilic Diblock Liquid-Crystalline Copolymer.Molecular Crystals and Liquid Crystals,443,191-199,2005,10.1080/15421400500253688 于海峰, 张民锡, 连彦青, 王晓工* and 刘德山*.聚酰亚胺类液晶光定向层材料的研究.高分子学报,1,22-26,2004 于海峰, 白鹤, 连彦青, 王晓工* and 刘德山*.一种环氧树脂基液晶光定向层材料的合成与性能研究.高等学校化学学报,24,165-168,2003