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      • KCI등재

        전기저항 분석을 통한 은나노 입자 합성 시의 입자거동 연구

        윤영우,유시홍,양성주,이성의,Yoon, Young Woo,Ryu, Si Hong,Yang, Sung Joo,Lee, Seong Eui 한국전기전자재료학회 2015 전기전자재료학회논문지 Vol.28 No.8

        This study examined the size and shape of the nano-silver particle through the analysis of electrical resistance when synthesizing nano-sized silver by using the chemical liquid reduction. Changes in particle behaviors formed according to the changes in electronic characteristics by electric resistance in each time period in the beginning of reduction reaction in a course of synthesizing the nano-silver particle formation were studied. In addition, analysis was conducted on particle behaviors according to the changes in concentration of $AgNO_3$ and in temperature at the time of reduction and nucleation and growth course when synthesizing the particles based on the particle behaviors were also examined. As the concentration of $AgNO_3$ increased, the same amount of resistance of approximately $5{\Omega}$ was increased in terms of initial electronic resistance. Furthermore, according to the result of formation of nuclear growth graph and estimation of slope based on estimated resistance, slops of $6.25{\times}10^{-3}$, $2.89{\times}10^{-3}$, and $1.85{\times}10^{-3}$ were derived from the concentrations of 0.01 M, 0.05 M, and 0.1 M, respectively. As the concentration of $AgNO_3$ increased, the more it was dominantly influenced by the nuclear growth areas in the initial phase of reduction leading to increase the size and cohesion of particles. At the time of reduction of nano-silver particle, the increases of initial resistance were $4{\Omega}$, $4.2{\Omega}$, $5{\Omega}$, and $5.3{\Omega}$, respectively as the temperature increased. As the temperature was increased into $23^{\circ}C$, $40^{\circ}C$, $60^{\circ}C$, and $80^{\circ}C$, slopes were formed as $4.54{\times}10^{-3}$, $4.65{\times}10^{-3}$, $5.13{\times}10^{-3}$, and $5.42{\times}10^{-3}$ respectively. As the temperature increased, the particles became minute due to the increase of nuclear growth area in the particle in initial period of reduction.

      • KCI등재

        제라르 드 네르발의 작품 속의 환상의 여인 -Sylvie, Octavie, Corilla를 중심으로-

        김순경 ( Soon Kyung Kim ),양성주 ( Yang Sung Joo ) 한국불어불문학회 2012 불어불문학연구 Vol.0 No.92

        Pour Gerard de Nerval, l`ecriture est l`acte par lequel il verifie son identite et cherche le sens de sa vie. Il a manifeste son desir refoule dans son oeuvre melangee de reve et de realite. Nerval a espere une autre vie en s`identifiant au heros ideal de son oeuvre. Il a voulu dissiper le regret et le desir ardent pour `une absence` qui a laisse un si grand vide qu`aucune femme n`a jamais pu combler. Par l`absence de la femme qui resulte de la mort prematuree de sa mere et de l`echec de l`amour avec Jenny Colon, il idealise les femmes de son oeuvre. Enfin, l`absence de l`objet d`amour, qui est la base de son fantasme, n`a laisse que `l`image`. Dans Sylvie, Octavie et Corilla, l`image sublime et ideale de la femme se repete. La scene du theatre et la fete en harmonie avec le reve et la realite sont un monde de fantasme. La, les femmes existent seulement comme une `apparition`, qui, a chaque pas, montrent divers visages qui seduisent le heros. `La distance magique`, `l`eclairage de la scene`, `le clair de lune et les rayons du soleil` mettent en exergue l`image sublime de la femme. De meme, la maison decoree de nombreux bibelots adorables n`est plus un espace reel. L`humble chaumiere avec le fabuleux `bric-a-brac` mythique qui la caracterise-apparait comme un `palais`. Cela se traduit par le heros qui ouvre la porte pour entrer dans la chambre, et qui se dirige vers sa nouvelle fantaisie. On y trouve une femme paree de bijoux. De meme que pour les splendides costumes des actrices de theatre, les bijoux et les vetements ont deguise la femme reelle en une femme parfaitement surnaturelle. Son corps ainsi revetu lui donne le relief de l`image de la femme ideale. Paree de ces bijoux etincelants, sa figure se transforme en une deesse de beaute. Mais ces femmes n`ont pas de reelle identite. Elles ne sont uniquement qu`une existence comme une `apparition` qui satisfait a tous les fantasmes d`un heros sans resistance. L`image de la femme ne se fixe pas a une femme, mais varie. Nerval s`efforce de recreer l`image sublime et maternelle d`Isis, `l`Unique`, tournant sans cesse autour de cette image, et lui vouant son adoration. Ainsi, toutes les femmes sont `deja perdues` et seule `l`image` subsiste pour Nerval. De meme, l`objet de son amour n`est pas la femme reelle mais `l`illusion` que procure son image.

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