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Article type: Cover
2011 Volume 66 Issue 3 Pages
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Article type: Index
2011 Volume 66 Issue 3 Pages
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Article type: Index
2011 Volume 66 Issue 3 Pages
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Article type: Appendix
2011 Volume 66 Issue 3 Pages
167-170
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Susumu Kurihara
Article type: Article
2011 Volume 66 Issue 3 Pages
171-
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Hal Tasaki
Article type: Article
2011 Volume 66 Issue 3 Pages
172-173
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Takashi Yokoyama
Article type: Article
2011 Volume 66 Issue 3 Pages
174-179
Published: March 05, 2011
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Recent advance in high-resolution imaging with a scanning tunneling microscope allows us to investigate directly and precisely various large organic molecules on solid surfaces. The sub-molecular resolution imaging on surfaces should open insight into the basic understanding for controlling the structural and electronic properties of molecular nano-devices. Here we report on the single-molecular-level analysis of structures, surface diffusion and self-assembly of large organic molecules on surfaces.
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Masashi Kawasaki, Atsushi Tsukazaki, Kazunori Ueno
Article type: Article
2011 Volume 66 Issue 3 Pages
180-186
Published: March 05, 2011
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We show such macroscopic quantum phenomena as superconductivity and quantum Hall effect induced at the oxide interfaces where two-dimensional electron system was created with unique methods. In the former, we employ a new gating technique for realizing field-effect transistor, i.e., an electric double layer gating with use of organic ionic conductor. With applying a small gate bias of about 3V, high-density charge carriers over 10^<14>cm^<-2> are accumulated on the insulating SrTiO_3 surface, resulting in superconductivity with a critical temperature of 0.4K. In the latter, two-dimensional electron system is induced at the interface of ZnO-based heterostructures due to electric-polarization mismatch. The electron mobility exceeds 100,000cm^2/Vs at low temperatures, resulting in a clear observation of fractional quantum Hall effect.
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Tetsuo Hanaguri
Article type: Article
2011 Volume 66 Issue 3 Pages
186-194
Published: March 05, 2011
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Discovery of high-temperature superconductivity in a cuprate triggered developments of various spectroscopic tools which have been utilized to elucidate electronic states of this mysterious compound. Particularly, angle-resolved photoemission spectroscopy and scanning-tunneling microscopy/spectroscopy are improved considerably. It is now possible to map the superconducting gap in both momentum and real spaces using these two techniques. Here we review spectroscopic-imaging scanning tunneling microscopy which is able to explore momentum-space phase structure of the superconducting gap, as well as real-space structure. Applications of this technique to a cuprate and an iron-based superconductor are discussed.
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Takaharu Otsuka, Toshio Suzuki
Article type: Article
2011 Volume 66 Issue 3 Pages
195-200
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Magic numbers and shell structure are extremely important for the study of atomic nuclei, as they determine the mass, the shape of surface, and the limit of the existence of nuclei, and have been considered to be universal over all nuclei, since Mayer and Jensen (1949). However, recent studies on exotic nuclei with large variations of proton or neutron numbers indicate that the changes of magic numbers and shell structure, i.e., shell evolution, arise due to nuclear forces, in particular the tensor force, demolishing this universality. We shall present an overview of such a paradigm shift emerging in exotic nuclei.
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Taichiro Nishio
Article type: Article
2011 Volume 66 Issue 3 Pages
201-204
Published: March 05, 2011
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Superconducting materials have been sorted into type-1 and type-2 superconductors. It has turned out that MgB_2, the superconductivity of which was discovered a decade ago, can be categorized into type-1.5 superconductors characterized by bimodal properties of type-1 and type-2 superconductors. In this article, I would like to show the first evidence of type-1.5 superconductivity in MgB_2 and discuss it.
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Atsushi Kamimura, Toru Ohira
Article type: Article
2011 Volume 66 Issue 3 Pages
205-208
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Yuki Kiyota
Article type: Article
2011 Volume 66 Issue 3 Pages
209-220
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Arisato Kawabata
Article type: Article
2011 Volume 66 Issue 3 Pages
221-224
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[in Japanese]
2011 Volume 66 Issue 3 Pages
225-
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[in Japanese]
2011 Volume 66 Issue 3 Pages
225-
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[in Japanese]
2011 Volume 66 Issue 3 Pages
225-
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[in Japanese]
2011 Volume 66 Issue 3 Pages
225-226
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[in Japanese]
2011 Volume 66 Issue 3 Pages
226-
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[in Japanese]
2011 Volume 66 Issue 3 Pages
226-227
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Takahiko Kondo
Article type: Article
2011 Volume 66 Issue 3 Pages
227-228
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Norio Kaifu
Article type: Article
2011 Volume 66 Issue 3 Pages
229-
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[in Japanese]
Article type: Article
2011 Volume 66 Issue 3 Pages
230-231
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[in Japanese]
Article type: Article
2011 Volume 66 Issue 3 Pages
231-232
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[in Japanese]
Article type: Article
2011 Volume 66 Issue 3 Pages
232-
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[in Japanese]
Article type: Article
2011 Volume 66 Issue 3 Pages
233-
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2011 Volume 66 Issue 3 Pages
233-234
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Article type: Appendix
2011 Volume 66 Issue 3 Pages
234-237
Published: March 05, 2011
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Article type: Appendix
2011 Volume 66 Issue 3 Pages
237-238
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[in Japanese]
2011 Volume 66 Issue 3 Pages
238-239
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Article type: Appendix
2011 Volume 66 Issue 3 Pages
240-241
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Article type: Appendix
2011 Volume 66 Issue 3 Pages
243-244
Published: March 05, 2011
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