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수소 환원기체와 (hfac)Cu(3,3-dimethyl-1-butene) 증착원을 이용한 Pulsed MOCVD로 Cu seed layer 증착 특성에 미치는 영향에 관한 연구
박재범,이진형,이재갑,Park Jaebum,Lee Jinhyung,Lee Jaegab 한국재료학회 2004 한국재료학회지 Vol.14 No.9
Pulsed metalorganic chemical vapor deposition (MOCVD) of conformal copper seed layers, for the electrodeposition Cu films, has been achieved by an alternating supply of a Cu(I) source and $H_2$ reactant at the deposition temperatures from 50 to $100^{\circ}C$. The Cu thickness increased proportionally to the number of cycles, and the growth rate was in the range from 3.5 to $8.2{\AA}/cycle$, showing the ability to control the nano-scale thickness. As-deposited films show highly smooth surfaces even for films thicker than 100 nm. In addition about a $90\%$ step coverage was obtained inside trenches, with an aspect ratio greater than 30:1. $H_2$, introduced as a reactant gas, can play an active role in achieving highly conformal coating, with increased grain sizes.
산화그래핀(GO)의 플라스틱(PS) 표면 코팅방법에 대한 연구
박재범(Jaebum Park),이지훈(Jihoon Lee),허증수(Jeung Soo Huh),박단비(Danbi Park),임정옥(Jeong Ok Lim) 한국표면공학회 2021 한국표면공학회지 Vol.54 No.2
In this study, we investigated various coating methods of graphene oxide on the surface of a petri dish made of polystyrene and analyzed the physical and chemical properties of the coated surface. For coating, spinning, spraying and pressing methods were attempted. The coated surface was characterized by SEM, Raman Spectroscopy, AFM, FT-IR, UV-Vis Spectroscopy and Contact Angle measurement. By spin coating and spray coating, well distributed graphene oxide in the form of multiple islands on the plastic surface with an average size of 5 to 20㎛ are observed by SEM, and high binding energy between graphene oxide and plastic surface is measured by AFM. In case of hand press coating, graphene oxide of 10μm or more was observed, and low surface energy was measured. By FT-IR and Raman Spectroscopy analysis, surface coating of graphene oxide was confirmed.
박재범(Park, jaebum),박정규(Park, Jeong Kyu) 한국중어중문학회 2014 中語中文學 Vol.59 No.-
Yudafu"s 「沈淪 Sinking」had an immediate impact on the contemporary readers, because of its daring self - exposure, a pure confession and originality, etc, which could not be found in other works of his contemporaries. It is unabasedly autobiographical, and it is filled with all kinds of incidents that Yudafu had met, or all sorts of experiences and feelings that he had had while he was in Japan. Some says that Yudafu was charmed by 「The hypochondria of garden “田園の憂鬱” 」 by Japanese writer Sato Haruo and "I-novel" prevailing at that time in Japan, and his deep concern about them helped Yudafu write 「沈淪 Sinking」. He declared that all literature is autobiographical, and he took to making literature that reflected and imitated everything about himself, including the writer"s own experience, behaviors and feelings. 「沈淪 Sinking」is considered as the first and representative novel that embodied and practiced his literary insistence and creed. In Short, Yudafu wrote「沈淪 Sinking」 through making an exact copy of his real experience and feelings, and imitating the figure of a hero in 「The hypochondria of garden “田園の憂鬱”」 by Japanese writer Sato Haruo. On 「沈淪 Sinking」 was imprinted two kinds of imitation, which reproduced his real experience and feelings, and the figure of a hero in 「The hypochondria of garden “田園の憂鬱”」. So, Yudafu"s 「沈淪 Sinking」is regarded as imitation novel in this paper. What he did imitate from his real life lived during his stay in Japan, and from the figure of a hero in 「The hypochondria of garden “田園の憂鬱”」, is discussed in this paper. To study on the imitative aspects and its literary implication seen in Yudafu"s 「沈淪 Sinking」, being focused on the comparison with Japanese writer Sato Haruo"s 「 Hypochondria of Garden 」, is the main purpose of this paper. Literature, or lierary works, in fact, is the product of language itself, because all kinds of things in literature, including the characters, are expressed and described only with language and words by writers. In order to define the imitative aspects found in 「沈淪 Sinking」 clearly and accurately, this paper uses the theory of the structure of language - signifiant and signifie, proposed by Saussure Ferdinan De, Swiss linguist, who insisted that language is composed of signifiant and signifier, introducing new theory on the structure of language to world. It comes to a conclusion, in this paper, that the first imitative aspects seen in a hero of 「沈淪 Sinking」- maladjustment to his social environment and wandering for sexual desire, drawn from the writer Yudafu"s real experience, behaviors and feelings can be regarded as "signifiant", and the second imitative aspects - a figure suffering from hypochodria and his indulgence and addiction, described after a figure of a hero in 「The hypochondria of garden “田園の憂鬱”」, may be thought of as signifier, since maladjustment to his social environment joins hypochondria (mental depression) and wandering for sexual desire is connected to indulgence and addiction to sex.