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Sahraneshin A.,Tohoku University | Takami S.,Tohoku University | Minami K.,Tohoku University | Hojo D.,Advanced Institute for Materials Research WPI AIMR | And 3 more authors.
Progress in Crystal Growth and Characterization of Materials

Organic-functionalized nanoscale yttrium aluminum garnet (YAG) particles were synthesized via a simple rapid supercritical hydrothermal method in the presence of oleylamine and oleic acid as organic surface modifiers. The presence of the organic molecules resulted in the various morphologies of the produced YAG particles, including cubic, spherical and chainlike structures. Because of their hydrophobic surface character, as-synthesized particles were dispersible in organic solvents. © 2011 Elsevier Ltd. All rights reserved. Source

Kobayashi S.-I.,Advanced Institute for Materials Research WPI AIMR | Kim Y.-G.,Advanced Institute for Materials Research WPI AIMR | Wen R.,Advanced Institute for Materials Research WPI AIMR | Fukidome H.,Tohoku University | And 7 more authors.
Electrochemical and Solid-State Letters

It is revealed for the first time that single atomic steps with a height of 0.14 nm on a Si(100) surface in air can be clearly distinguished by using a laser confocal microscope combined with an advanced differential interference contrast microscope (LCM-DIM). Images of LCM-DIM were acquired in wider areas than 100 m2 within a shorter period of time than a few second. Furthermore, even in electrolyte solutions, the single atomic step can be seen by the new technique, which will be able to apply to the evaluation of dynamic processes of chemical and electrochemical etching of Si surfaces. © 2011 The Electrochemical Society. Source

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