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유아기 자녀를 둔 아버지의 Big5성격유형에 따른 양육참여 및 양육스트레스
윤종승 한국보육지원학회 2022 한국보육지원학회지 Vol.18 No.6
Objective: The purpose of this study was to examine the differences in parental involvement and parenting stress according to the father's personality type. Methods: The subjects of this study were 302 fathers with children aged three to five living in Seoul, and a survey was conducted on their Big Five personality types, parental involvement, and parenting stress.The collected data were analyzed using K-means cluster analysis and covariance analysis. Results: In this study, fathers' personality types were classified into four types: 'sincerity, friendship, openness'(21.5%), 'neuroticism'(27.8%), 'sincerity'(29.4%), and 'low sincerity'(21.1%). These are the exact same Fathers in the 'sincere friendly, open' group showed higher parental involvement and lower parental stress, while fathers in the 'neurotic' group showed lower parenting involvement and higher parenting stress. Conclusion/Implications: There was a difference in parental involvement and parenting stress according to the father's personality type.Based on these results, it is expected that the understanding of the father 's personality will be come clearer and the foundation for constructing a program related to parenting which considers personality types will be established.
이건준,윤종승,김전,김정훈,이영백 한국물리학회 2006 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.48 No.6
We studied the correlation between the microstructures and the optical diffraction properties in femtosecond-laser-induced gratings of an amorphous Co2MnSi (a-Co2MnSi) film. The a-Co2MnSi thin film was deposited on a glass substrate by using magnetron sputtering, and the crystallization of the a-Co2MnSi film was performed using two-beam interference of near-infrared femtosecondlaser pulses. For the femtosecond-laser-interference crystallization using two 120-μJ laser beams, the diffraction intensity slowly increased with the laser shot count until it reached a maximum intensity around 25900 laser shots; then, the diffraction intensity gradually decreased. From the cross-sectional and the plan-view transmission-electron-microscopy images of the laser-crystallized Co2MnSi regions, the crystallization reached deeper into the sample film under an optimized fluence condition. Meanwhile, a lower fluence beam resulted in a partially crystallized film, and a higher fluence beam made a partially damaged film. The femtosecond-laser-induced gratings consisted of alternating semicrystalline-Co2MnSi and polycrystalline-Co2MnSi bands with a period of about 2-μm.
Pd 첨가와 기판온도 변화에 따른 퍼말로이 합금박막의 자기특성변화
이기영,송오성,윤종승,김경각 한국전기전자재료학회 2002 전기전자재료학회논문지 Vol.15 No.9
We investigated the evolution of magnetic property with varying palladium (Pd) contents and elevating substrate temperatures up to 200 $^{\circ}C$ during dc-sputtering. We observed that saturation magnetization (Ms), remanence and anisotropic magnetoresistance (AMR) ratio decrease with Pd contents in the case of keeping the substrate temperature at 3$0^{\circ}C$. However they increase by adding 2 %Pd, then decrease above 3 %Pd when we keep the substrate temperature at 20$0^{\circ}C$. Coercivity does not change with Pd contents. Our results imply that we may tune the Ms and AMR with Pd contents and substrate temperature in permalloy films.
Femtosecond Laser Surface Structuring of Amorphous and Crystalline Silicon
이건준,오차환,윤종승,김은규,정현식,장진,손용덕,이영백 한국물리학회 2006 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.48 No.6
The surface structuring of amorphous and crystalline silicon was performed by using femtosecondlaser- induced phase transformations: i) amorphous-to-crystalline and ii) crystalline-to-amorphous. The amorphous silicon (a-Si) films were prepared on glass substrates by using plasma-enhanced chemical-vapor deposition. Two kinds of micropatterns were produced in the a-Si films: i) a twodimensional (2D) pattern (a word ‘q-Psi’) was produced by using the inverse Fourier transform of a computer-generated hologram, and ii) laser-induced gratings (LIGs) were made by means of two-beam interference of near-infrared femtosecond-laser pulses. By using micro-Raman spectroscopy, optical microscopy, scanning electron microscopy, and transmission electron microscopy, the femtosecond-laser pulses were found to induce a localized phase transformation from the amorphous to the crystalline phase, and the spatially-selected crystallization of a-Si was found to be responsible for the formation of patterns such as the LIG and the 2D pattern. Crystalline silicon (c-Si) with a SiO2 capping layer was also periodically modified by femtosecond holography. A micro- Raman study indicated that the LIG formation in c-Si could be ascribed to the spatially-selected amorphization of c-Si. The surface structuring of amorphous and crystalline silicon was performed by using femtosecondlaser-induced phase transformations: i) amorphous-to-crystalline and ii) crystalline-to-amorphous. The amorphous silicon (a-Si) films were prepared on glass substrates by using plasma-enhanced chemical-vapor deposition. Two kinds of micropatterns were produced in the a-Si films: i) a twodimensional (2D) pattern (a word ‘q-Psi’) was produced by using the inverse Fourier transform of a computer-generated hologram, and ii) laser-induced gratings (LIGs) were made by means of two-beam interference of near-infrared femtosecond-laser pulses. By using micro-Raman spectroscopy, optical microscopy, scanning electron microscopy, and transmission electron microscopy, the femtosecond-laser pulses were found to induce a localized phase transformation from the amorphous to the crystalline phase, and the spatially-selected crystallization of a-Si was found to be responsible for the formation of patterns such as the LIG and the 2D pattern. Crystalline silicon (c-Si) with a SiO2 capping layer was also periodically modified by femtosecond holography. A microRaman study indicated that the LIG formation in c-Si could be ascribed to the spatially-selected amorphization of c-Si.