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Spin-Dependent Transport Phenomena at 5 d -Electron Oxide Interfaces 5维电子氧化物界面的自旋相关输运现象
Hyomen Kagaku Pub Date : 2017-01-01 DOI: 10.1380/JSSSJ.38.614
J. Matsuno
{"title":"Spin-Dependent Transport Phenomena at 5 d -Electron Oxide Interfaces","authors":"J. Matsuno","doi":"10.1380/JSSSJ.38.614","DOIUrl":"https://doi.org/10.1380/JSSSJ.38.614","url":null,"abstract":"Spin-orbit interaction in solids can be utilized for controlling spin-dependent transport phenomena. To realize them, we focus on thin films and interfaces of iridium (Ir) oxides since electron conduction there is dominated by 5d electrons with strong spin-orbit interaction. The first example is the inverse spin Hall effect, which converts a spin current into an electric voltage. The performance of IrO2 as a spin-current detector is better than those of noble metals. The second is the topological Hall effect originating from magnetic skyrmions. The epitaxial bilayers consisting of SrRuO3 and SrIrO3 enable us to generate skyrmions through artificially broken inversion symmetry at the interfaces. These results can be a step toward future spintronics.","PeriodicalId":13075,"journal":{"name":"Hyomen Kagaku","volume":"1 1","pages":"614-619"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90199791","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis of High Quality Complex Oxide Thin Films by Pulsed Laser Deposition 脉冲激光沉积制备高质量复合氧化物薄膜
Hyomen Kagaku Pub Date : 2017-01-01 DOI: 10.1380/jsssj.38.216
T. Ohnishi
{"title":"Synthesis of High Quality Complex Oxide Thin Films by Pulsed Laser Deposition","authors":"T. Ohnishi","doi":"10.1380/jsssj.38.216","DOIUrl":"https://doi.org/10.1380/jsssj.38.216","url":null,"abstract":"Reproducible way to grow high quality complex oxide thin films by means of pulsed laser deposition is addressed. Laser ablation conditions are the most essential ones to be controlled precisely because it directly relates to cation ratio of deposited thin films. In some specific case, substrate temperature and gas pressure also become important to control the film composition. Film quality is tightly correlated to the thin film stoichiometry.","PeriodicalId":13075,"journal":{"name":"Hyomen Kagaku","volume":"14 1","pages":"216-221"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89015192","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Exploring Textile Expression with Advanced Weaving Technology of Nishijin 用西晋先进的织造技术探索纺织品的表现
Hyomen Kagaku Pub Date : 2017-01-01 DOI: 10.1380/jsssj.38.362
Motoshi Honda
{"title":"Exploring Textile Expression with Advanced Weaving Technology of Nishijin","authors":"Motoshi Honda","doi":"10.1380/jsssj.38.362","DOIUrl":"https://doi.org/10.1380/jsssj.38.362","url":null,"abstract":"よく繊維産業は斜陽産業であるかのような話を耳にす るが,世界的に見ればれっきとした成長産業である。経 済産業省の報告によれば,世界的な人口増加を背景 に,繊維の生産量,消費量ともにまだまだ増加すること が予測されている。また「衣」は「食」「住」とともに 生命の維持に必要なものであるだけでなく,生理的な欲 求が満たされた経済水準であれば,美味しいものを食べ たい,快適な家に住みたいと思うことと同じように, 「かわいい」「人と違う」「機能的な」服を着たいと思う ことは人間の自然な欲求であるので,今後もこういった 欲求に応える様々な衣服が常に開発されていくことと思 われる。 一方,日本の民族服である和服については,生活様式 の変遷から普段着として着用されることはほとんどなく なっており,西陣織の出荷額を見てもここ数年はピーク 時の 2割以下で微減もしくは横ばいを続けている。伝 統産業であり,後継者不足や道具類の枯渇,複雑な流通 など様々な問題を抱えながら低迷しているというのが一 般的に見た状況であろう。しかし,近年和装市場は拡大 してきているといった報告など明るい話題も多く見受 けられる。経済産業省の実施したアンケート結果を見 ると,20代女性では約 8割の方が着物の着用経験者で あり,このうちの約 8割の方が今後の着用意向を示して いる。また,着用シーンとして「冠婚葬祭」以外にも高 い回答を示している層があり,一部の若者にとって着物 はオシャレな選択肢の一つと見做されていることが伺え る。ほかにも,和装イベントの盛況ぶりや,欧米のア パレルブランドやインバウンドからの関心が高まってい ることがあげられる。 このように復調の兆しが見える和装産業を製造面から 支えるメーカーが京都西陣には多く存在している。京都 市における製造業の内訳(Fig. 1)を見ると繊維工業 は,売上金額は劣るものの現在でも企業数では他を圧倒 しており,小規模事業者により多くの従業者を抱える主 要な業種の一つであることがわかる。 また,経済産業大臣により指定される伝統的工芸品の 数も全都道府県のうちで京都府が最も多く,その中の 「西陣織」では 12品種と実に多様な製織技法が指定さ れていることも特徴的である。伝統産業の強みは,良く 表面科学 Vol. 38, No. 7, pp. 362-364, 2017 特集「伝統産業と表面科学」","PeriodicalId":13075,"journal":{"name":"Hyomen Kagaku","volume":"7 1","pages":"362-364"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80090631","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Lightweight Returnable Glass Bottles Coated with Thin SnO 2 Films 轻量的可回收玻璃瓶涂有薄薄的SnO 2薄膜
Hyomen Kagaku Pub Date : 2017-01-01 DOI: 10.1380/jsssj.38.303
T. Amano
{"title":"Lightweight Returnable Glass Bottles Coated with Thin SnO 2 Films","authors":"T. Amano","doi":"10.1380/jsssj.38.303","DOIUrl":"https://doi.org/10.1380/jsssj.38.303","url":null,"abstract":"A technology for SnO 2 coating, which keep surface hardness and does not peel with repeated alkaline washing was developed to provide lightweight returnable glass bottles. This advanced coating method enables us to produce lightweight returnable bottles with about 20 % weight reduction, which have nearly the same strength as conventional ones. It was realized by controlling the surface temperature of the bottle immediately after forming and using a chamber devised to get a uniform film thickness. The coating is formed by hydrolysis reaction of SnCl 4 . Coating conditions with high durability are as follows.","PeriodicalId":13075,"journal":{"name":"Hyomen Kagaku","volume":"80 1","pages":"303-306"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81115504","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
My Life as a Postdoc in Boston 我在波士顿的博士后生活
Hyomen Kagaku Pub Date : 2017-01-01 DOI: 10.1380/jsssj.38.138
Y. Okada
{"title":"My Life as a Postdoc in Boston","authors":"Y. Okada","doi":"10.1380/jsssj.38.138","DOIUrl":"https://doi.org/10.1380/jsssj.38.138","url":null,"abstract":"2. 1 渡米までの経緯 学生時代からずっと,海外に出て研究をしたいという 強い願望がありました。しかも,自分にとってまったく 新しい実験に挑戦したいと思っていました。その頃は, 博士論文のテーマであった銅酸化物高温超伝導体の研究 を通して,走査トンネル顕微鏡(STM)を用いた物性 研究に大きな魅力を感じていたので,博士号取得後直ち に海外留学をして STMを用いた研究を始めることが私 の中で当然の流れになっていました。 私は,博士課程の 3年目から 2年間,日本学術振興会 (JSPS)の特別研究員になることができました。さら に,博士後期課程を無事 3年で終えることができまし た。この流れが幸いし,博士号取得後の 1年間,JSPS から博士研究員としてお給料をいただきながら海外で新 しい挑戦をすることができました。この制度に感謝する ばかりです。 2. 2 渡米前の構想 私は,既に大きい研究室に行くよりも,若い先生が主 宰する発展途上の勢いがある研究室に行きたいと考えて いました。そこで,コンタクトを取ったのが MITの Eric Hudson 先生(当時,Associate Professor)です。2007 年~ 2009年にかけて Nature Physics誌に 4本の論文を出し, 意義のある成果を立て続けに出して勢いのある先生でし た。渡米前のやり取りで,先生はもうじきテニュア審査 (終身雇用になれるかの審査)を受けることを知りまし た。審査をパスすれば,研究資金も増え,研究の新展開 ができると教えてくれました。一方,審査をパスできなか った場合,ラボを閉めてMITを去らなくてはいけなくな るリスクも伝えられました。私にとって雲の上の存在で あった Nature Physics 誌への論文発表を連発している Hudson先生なら,天下の MITであろうが審査をパスす るであろうと推測していました。私の戦略は,JSPSから の支援で 1年間一生懸命働いて奉公し,その後はテニュ ア審査をパスして資金的にも余裕が出るであろう Hudson 先生に雇ってもらうというものでした。やる気に満ち溢 れ,博士号を取得後直ちにボストンに出陣しました。","PeriodicalId":13075,"journal":{"name":"Hyomen Kagaku","volume":"14 1","pages":"138-139"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91213940","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Atomically-Precise Synthesis and Structure Determination of Coinage Metal Clusters 铸币金属团簇的原子精密合成与结构测定
Hyomen Kagaku Pub Date : 2017-01-01 DOI: 10.1380/JSSSJ.38.4
Hirokazu Kitazawa, T. Tsukuda
{"title":"Atomically-Precise Synthesis and Structure Determination of Coinage Metal Clusters","authors":"Hirokazu Kitazawa, T. Tsukuda","doi":"10.1380/JSSSJ.38.4","DOIUrl":"https://doi.org/10.1380/JSSSJ.38.4","url":null,"abstract":"Metal clusters smaller than 2 nm exhibit novel physicochemical properties that are very different from those of the bulk state and strongly depend on their size and structure. The essential requirement for the study of their basic properties and for practical applications is to synthesize clusters as stable compounds while controlling their size with atomic precision. This account summarizes the state-of-the-art methods of size-controlled synthesis and structure determination of gold and silver clusters whose surfaces are passivated by monolayers of thiolates. The origin of the high stabilities of these isolated clusters is explained in terms of the closure of electronic and geometric shells.","PeriodicalId":13075,"journal":{"name":"Hyomen Kagaku","volume":"18 1","pages":"4-11"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86006716","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Live Cell Migration Imaging on a Microfabricated Silicon Wafer 微晶硅片上的活细胞迁移成像
Hyomen Kagaku Pub Date : 2017-01-01 DOI: 10.1380/JSSSJ.38.473
H. Sunami, Yusuke Shimizu, Ikuko Yokota, Y. Igarashi, H. Kishimoto, Masayuki Matsushita
{"title":"Live Cell Migration Imaging on a Microfabricated Silicon Wafer","authors":"H. Sunami, Yusuke Shimizu, Ikuko Yokota, Y. Igarashi, H. Kishimoto, Masayuki Matsushita","doi":"10.1380/JSSSJ.38.473","DOIUrl":"https://doi.org/10.1380/JSSSJ.38.473","url":null,"abstract":"NIH-3T3 cells were adhered to three kinds of 3D micro-patterned scaffolds, placed face-down into culture medium in glass-bottomed dishes, and cell migration and the scaffolds were observed over 72 h. The three scaffolds differed only in terms of the unit shape of the repetitive pattern, namely a scale structure with equilateral triangular pores, a check structure with regular tetragonal pores, or a stripe structure with rectangular grooves. The angle that cells turn is influenced by the unit shape of the 3D patterned scaffold on which they are cultured. These differences in the angles that migrating cells turned correlated with differences in the angles they extended protrusions. In summary, the unit shape of the micro-patterned scaffold affects the angle at which cells extend, which in turn affects the angle at which migrating cells turn.","PeriodicalId":13075,"journal":{"name":"Hyomen Kagaku","volume":"114 1","pages":"473-478"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87582889","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Frontiers of Research Using Scanning Probe Microscopy: Present and Future 使用扫描探针显微镜的研究前沿:现在和未来
Hyomen Kagaku Pub Date : 2017-01-01 DOI: 10.1380/jsssj.38.494
T. Hitosugi
{"title":"Frontiers of Research Using Scanning Probe Microscopy: Present and Future","authors":"T. Hitosugi","doi":"10.1380/jsssj.38.494","DOIUrl":"https://doi.org/10.1380/jsssj.38.494","url":null,"abstract":"","PeriodicalId":13075,"journal":{"name":"Hyomen Kagaku","volume":"17 1","pages":"494-501"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81189198","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Interfacial Structural Investigations of Electric Double Layer Transistors Using Ionic Liquid: Relation between Microscopic Structures and Device Performances: —界面構造と電気二重層FET特性との相関— 离子液体电双层晶体管的界面结构研究:微观结构与器件性能的关系
Hyomen Kagaku Pub Date : 2017-01-01 DOI: 10.1380/jsssj.38.419
Y. Yokota, A. Imanishi, T. Uemura, J. Takeya, K. Fukui
{"title":"Interfacial Structural Investigations of Electric Double Layer Transistors Using Ionic Liquid: Relation between Microscopic Structures and Device Performances: —界面構造と電気二重層FET特性との相関—","authors":"Y. Yokota, A. Imanishi, T. Uemura, J. Takeya, K. Fukui","doi":"10.1380/jsssj.38.419","DOIUrl":"https://doi.org/10.1380/jsssj.38.419","url":null,"abstract":"The structural properties of ionic liquid/rubrene single-crystal interfaces were investigated using frequency modulation atomic force microscopy. The spontaneous dissolution of rubrene molecules into the ionic liquid was triggered by surface defects such as an oxidized rubrene or a vacancy, leading to the formation of a clean interface irrespective of the initial conditions. Force curve measurements revealed that a few solvation layers of ionic liquid molecules formed at the interface. We have also measured electric characteristics of electric double layer field-effect transistor based on the ionic liquid/rubrene single crystal interfaces. In contrast to usual devices, the mobility of field induced career was found to gradually increase with time for a day, consistent with the time scale of the spontaneous dissolution. These specific properties are discussed with respect to the microscopic understanding of electric doublelayer transistors.","PeriodicalId":13075,"journal":{"name":"Hyomen Kagaku","volume":"8 1","pages":"419-424"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82708782","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Titanium Dioxide Surfaces Investigated by Atomic Force Microscopy 原子力显微镜研究二氧化钛表面
Hyomen Kagaku Pub Date : 2017-01-01 DOI: 10.1380/jsssj.38.413
Jo Onoda, A. Yurtsever, M. Abe, Y. Sugimoto
{"title":"Titanium Dioxide Surfaces Investigated by Atomic Force Microscopy","authors":"Jo Onoda, A. Yurtsever, M. Abe, Y. Sugimoto","doi":"10.1380/jsssj.38.413","DOIUrl":"https://doi.org/10.1380/jsssj.38.413","url":null,"abstract":"Titanium dioxide (TiO2) surfaces have been extensively studied for its broad range of applications such as photocatalysis, heterogeneous catalysis, gas sensors, and solar cells. Rutile TiO2 has also been investigated as a model system for studying the physical and chemical properties for studying more complex metal oxide surfaces. Here, we report studies of atomic-scale observation of TiO2 surfaces by atomic force microscopy (AFM). While AFM imaging mechanism on TiO2(110) has been understood well, we find the interpretation of AFM contrast on TiO2(011) is not straightforward. In addition, we also perform simultaneous AFM and Kelvin probe force microscopy (KPFM) measurements on subsurface charges and single Pt atoms on the TiO2(110) surfaces, respectively. We believe our findings in this report will be useful when investigate other catalytic system by AFM and KPFM","PeriodicalId":13075,"journal":{"name":"Hyomen Kagaku","volume":"1 1","pages":"413-418"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82790399","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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