Novel Functional Materials with Multinary Freedoms

Yamanaka通过对层状金属氮化物的电子掺杂和高压合成分别发现了新的奇异超导体和各种类型的笼合物。Takabatake阐明了低温下功率因数高于传统热电材料的近藤半导体的能隙形成机理。Fujii通过对化学反应机理的研究发现了新型的高容量无机储氢材料。八木开发了一种利用纳米技术制造的小隧道结器件来检测非平衡超导电性电荷不平衡的新方法。SERA阐明了CeB6相关化合物的多极有序性和层状金属氮化物和PrS_4Sb&lt；的奇异超导电性的机理铃木在硫系尖晶石化合物CuRh_2S_4中发现了压力诱导的超导体-绝缘体转变。他的团队确定了S…的电子能带结构更多的超导体La_&lt；2-x&gt；Sr_xCuO4和Nd_xt；2-x&gt；Ce_xCuO_4用HX-PES，SX-PES和XAS。Udagawa用拉曼散射光谱发现了稀土客离子在各种笼状化合物中的摇摆运动和电荷载流子对摇摆的屏蔽作用。Ekino进行了STM/STS研究，观察到了新型超导体和热电材料的原子分辨的特征结构和电子性质。Taniguchi和Namatame用同步辐射高分辨率光电子能谱阐明了近藤半导体和奇异超导体费米能级附近的精细电子结构。Oguchi阐明了几种超导、热电和储氢材料的电子结构，并设计了一种新型的多铁系材料Bi2MnNiO6，在第一性原理计算的基础上，Jo从理论上论证了软X射线吸收线性二色性在确定过渡金属化合物轨道极化及其有序性中的作用。Nagai阐明了气凝胶中He-3液体中的声传播，并提出了各向异性BCS态中边界效应的准经典理论。较少

Yamanaka discovered new exotic superconductors and various types of clathrates by electron doping to layer-structured metal nitride halides and by high pressure synthesis, respectively.Takabatake clarified the mechanism of the gap formation in Kondo semiconductors whose power factors are higher than conventional thermoelectric materials at low temperatures.Fujii discovered novel high-capacity hydrogen storage inorganic materials through investigations on the chemical reaction mechanism.Yagi developed a new method of detecting charge imbalance of non-equilibrium superconductivity using small tunnel junction devices fabricated with nanotechnology.Sera clarified the mechanisms of multipolar ordering in CeB_6-related compounds and exotic superconductivity in layer-structured metal nitride halides and PrOs_4Sb_<12>.Suzuki discovered the pressure-induced superconductor - insulator transition in the chalcogenide spinel compound CuRh_2S_4. His team determined the electronic band structure of s … More uperconductors La_<2-x>Sr_xCuO4 and Nd_<2-x>Ce_xCuO_4 by means of HX-PES, SX-PES and XAS.Udagawa found the rattling motion of rare-earth guest ions in various caged compounds and shielding effects of charge carriers for the rattling by Raman scattering spectroscopy.Ekino carried out STM/STS investigations and observed characteristic structures and electronic properties with atomic resolution for novel superconductors and thermoelectric materials.Taniguchi and Namatame clarified fine electronic structures near the Fermi level of Kondo semiconductors and exotic superconductors by means of high-resolution photoemission spectroscopy using synchrotron radiationOguchi clarified the electronic structure of several superconducting, thermoelectric and hydrogen-storage materials and designed a novel multiferroic system Bi_2MnNiO_6, on the basis of first-principles calculations.Jo theoretically demonstrated roles of soft x-ray absorption linear dichroism in identifying the orbital polarization and its ordering in transition-metal compounds.Nagai elucidated the sound propagation in liquid He-3 immersed in aerogel, and proposed a quasi-classical theory of boundary effect in anisotropic BCS states. Less