29 research outputs found

    ๋‹จ์ˆœ์‹ํ’ˆ๊ณ„์—์„œ ์ฝฉ๋‹จ๋ฐฑ์งˆ cold-set gel์˜ ํ˜•์„ฑ๊ณผ ํŠน์„ฑ

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    Thesis(master`s)--์„œ์šธ๋Œ€ํ•™๊ต ๋Œ€ํ•™์› :๋†์ƒ๋ช…๊ณตํ•™๋ถ€,2006.Maste

    Regional differences in life satisfaction : Focusing on the contextual effects of apartment

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    ํ•™์œ„๋…ผ๋ฌธ (์„์‚ฌ) -- ์„œ์šธ๋Œ€ํ•™๊ต ๋Œ€ํ•™์› : ์‚ฌํšŒ๊ณผํ•™๋Œ€ํ•™ ์‚ฌํšŒํ•™๊ณผ, 2021. 2. ๊น€์„ํ˜ธ.๋ณธ ์—ฐ๊ตฌ๋Š” ์ƒํ™œ๋งŒ์กฑ๋„์˜ ์ง€์—ญ ๊ฐ„ ์ฐจ์ด๋ฅผ ์•„ํŒŒํŠธ์˜ ์ง€์—ญ๋ณ„ ๊ฐ€๊ฒฉ์ด๋ผ๋Š” ๋งฅ๋ฝ์„ ํ†ตํ•ด ๊ทœ๋ช…ํ•˜๋Š” ๊ฒƒ์„ ๋ชฉ์ ์œผ๋กœ ํ•œ๋‹ค. ๊ฒฝ์ œ์  ์š”์ธ๊ณผ ์ƒํ™œ๋งŒ์กฑ๋„ ๊ฐ„์˜ ๊ด€๊ณ„๊ฐ€ ์„ ํ–‰์—ฐ๊ตฌ์—์„œ ๋‹ค์ˆ˜ ๋‹ค๋ค„์ง„ ๋ฐ” ์žˆ์œผ๋‚˜, ๊ทธ ๊ด€๊ณ„๋Š” ๋‹จ์ˆœํžˆ ์„ค๋ช…๋˜์ง€ ์•Š๋Š”๋‹ค. ์ผ๋ฐ˜์ ์œผ๋กœ ์†Œ๋“์œผ๋กœ ๋Œ€ํ‘œ๋˜๋Š” ๊ฐœ์ธ ์ˆ˜์ค€์˜ ๊ฒฝ์ œ์  ์š”์ธ์€ ์ƒํ™œ๋งŒ์กฑ๋„๋ฅผ ๋†’์ด๋Š” ๊ฒƒ์œผ๋กœ ์•Œ๋ ค์ ธ ์žˆ์ง€๋งŒ, ์„ ํ–‰์—ฐ๊ตฌ๋Š” ์ด๋Ÿฌํ•œ ์ƒ๊ด€๊ด€๊ณ„๊ฐ€ ๋งฅ๋ฝ์— ๋”ฐ๋ผ ๋‹ค๋ฅผ ์ˆ˜ ์žˆ์Œ์„ ์‹œ์‚ฌํ•œ๋‹ค. ํ•œํŽธ, ์ด ์ฃผ์ œ์— ๋Œ€ํ•ด ๋งฅ๋ฝ์˜ ํšจ๊ณผ๋ฅผ ๊ณ ๋ คํ•œ ์„ ํ–‰์—ฐ๊ตฌ๋“ค์€ ์ฃผ๋กœ ์ง€์—ญ์˜ ํ‰๊ท ์†Œ๋“์œผ๋กœ๋ถ€ํ„ฐ ๋ฐœ์ƒํ•˜๋Š” ๋งฅ๋ฝํšจ๊ณผ๋ฅผ ํƒ๊ตฌํ–ˆ๋‹ค. ๊ทธ๋Ÿฌ๋‚˜ ์ด๋Ÿฌํ•œ ์‹œ๋„๋Š” ์‹ฌ๋ฆฌ์  ๋ณ€์ˆ˜์— ์ง€๋‚˜์น˜๊ฒŒ ์˜์กดํ•˜๊ฑฐ๋‚˜, ํ˜„์‹ค์ ์ด์ง€ ๋ชปํ•œ ์„ค๋ช…์„ ์ œ๊ณตํ–ˆ๋‹ค๋Š” ์ ์—์„œ ํ•œ๊ณ„๋ฅผ ๊ฐ–๋Š”๋‹ค. ์ด์— ๋ณธ ์—ฐ๊ตฌ๋Š” ์„ ํ–‰์—ฐ๊ตฌ๋“ค์˜ ํ•œ๊ณ„๋ฅผ ๋ณด์™„ํ•˜๊ณ , ํ•œ๊ตญ์˜ ์ƒํ™ฉ์„ ๋ณด๋‹ค ํ˜„์‹ค์ ์œผ๋กœ ๋ฐ˜์˜ํ•˜๊ธฐ ์œ„ํ•ด ์ง€์—ญ์˜ ์•„ํŒŒํŠธ ๊ฐ€๊ฒฉ์„ ๋งฅ๋ฝํšจ๊ณผ๋กœ ํฌํ•จํ•˜์—ฌ ์ƒํ™œ๋งŒ์กฑ๋„์˜ ์ง€์—ญ ๊ฐ„ ์ฐจ์ด๋ฅผ ๋ถ„์„ํ•˜๋ ค ํ–ˆ๋‹ค. ๋ณธ ์—ฐ๊ตฌ๋Š” 2016๋…„ ํ•œ๊ตญ์ข…ํ•ฉ์‚ฌํšŒ์กฐ์‚ฌ(KGSS)์ž๋ฃŒ๋ฅผ ๊ตญํ† ๊ตํ†ต๋ถ€ ์•„ํŒŒํŠธ ์‹ค๊ฑฐ๋ž˜๊ฐ€ ํ–‰์ •๋ฐ์ดํ„ฐ์™€ ์—ฐ๊ณ„ํ•œ ํ›„, ๋‹ค์ธต๋ชจํ˜•์„ ํ†ตํ•ด์„œ ์ง€์—ญ์˜ ์•„ํŒŒํŠธ ๊ฐ€๊ฒฉ์— ๋”ฐ๋ผ ์ƒํ™œ๋งŒ์กฑ๋„์˜ ์ฐจ์ด๊ฐ€ ์–ด๋– ํ•œ ๋ฐฉ์‹์œผ๋กœ ๋‚˜ํƒ€๋‚˜๋Š”์ง€๋ฅผ ํ†ต๊ณ„์ ์œผ๋กœ ๊ฒ€์ฆํ–ˆ๋‹ค. ๋ถ„์„ ๊ฒฐ๊ณผ๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™๋‹ค. ์ฒซ์งธ, ๊ฐœ์ธ์˜ ์†Œ๋“์— ๋”ฐ๋ผ ์ƒํ™œ๋งŒ์กฑ๋„๊ฐ€ ๋‹ฌ๋ผ์ง„๋‹ค๋Š” ๊ธฐ์กด์˜ ์—ฐ๊ตฌ ๊ฒฐ๊ณผ๋Š” ์ง€์ง€๋˜์—ˆ๋‹ค. ๋‘ ๋ฒˆ์งธ, ์ง€์—ญ ๋‚ด์˜ ์•„ํŒŒํŠธ ๊ฐ€๊ฒฉ์˜ ํ‰๊ท ์ด ํด์ˆ˜๋ก ์†Œ๋“์— ๋”ฐ๋ฅธ ์ƒํ™œ๋งŒ์กฑ๋„์˜ ์ฆ๊ฐ€๋Ÿ‰์ด ํฌ๊ฒŒ ๋‚˜ํƒ€๋‚ฌ๋‹ค. ์„ธ ๋ฒˆ์งธ, ์ง€์—ญ ๋‚ด์˜ ์•„ํŒŒํŠธ ๊ฐ€๊ฒฉ์˜ ํŽธ์ฐจ๊ฐ€ ํด์ˆ˜๋ก ์†Œ๋“์— ๋”ฐ๋ฅธ ์ƒํ™œ๋งŒ์กฑ๋„์˜ ์ฆ๊ฐ€๋Ÿ‰์ด ํฌ๊ฒŒ ๋‚˜ํƒ€๋‚ฌ๋‹ค. ๋‹ค์‹œ ๋งํ•ด์„œ, ์ง€์—ญ ๋‚ด์˜ ์•„ํŒŒํŠธ ๊ฐ€๊ฒฉ์ด ๋‹ค๋ฅธ ์ง€์—ญ์— ๋น„ํ•ด ๋†’๊ฑฐ๋‚˜, ์ง€์—ญ ๋‚ด์—์„œ ๊ฐ€๊ฒฉ์˜ ํŽธ์ฐจ๊ฐ€ ํฐ ๊ฒฝ์šฐ์—๋Š” ์†Œ๋“์ด ๋†’์€ ๊ฐœ์ธ๊ณผ ์†Œ๋“์ด ๋‚ฎ์€ ๊ฐœ์ธ ๊ฐ„์˜ ์ƒํ™œ๋งŒ์กฑ๋„์˜ ์ฐจ์ด๊ฐ€ ํฌ๊ฒŒ ๋ฒŒ์–ด์ง„๋‹ค. ๋ณธ ์—ฐ๊ตฌ๋Š” ํ•œ๊ตญ์—์„œ ๋ณตํ•ฉ์ ์ธ ์˜๋ฏธ๊ฐ€ ์žˆ๋Š” ์•„ํŒŒํŠธ๋ฅผ ๋งฅ๋ฝํšจ๊ณผ๋กœ ๊ณ ๋ คํ•˜์—ฌ ์ƒํ™œ๋งŒ์กฑ๋„์˜ ์ง€์—ญ ๊ฐ„ ์ฐจ์ด๋ฅผ ๋“œ๋Ÿฌ๋‚ธ๋‹ค๋Š” ์˜์˜๊ฐ€ ์žˆ๋‹ค. ํŠนํžˆ, ํ•œ๊ตญ์  ๋งฅ๋ฝ์—์„œ ์ง€์—ญ ๊ฐ„ ๋ถˆํ‰๋“ฑ๊ณผ ์ง€์—ญ ๋‚ด ๋ถˆํ‰๋“ฑ์ด ์ƒํ™œ๋งŒ์กฑ๋„์˜ ์ฐจ์ด๋กœ ์ด์–ด์ง€๋Š” ๊ณผ์ •์„ ์„ค๋ช…ํ–ˆ๋‹ค๋Š” ์ ์—์„œ ์˜์˜๊ฐ€ ์žˆ๋‹ค.This study aims to discover the regional differences in life satisfaction in relation with regional apartment prices. The relationship between economic factors and life satisfaction has been discussed in many prior studies, but the relationship is not simply explained. In general, individual-level economic factors represented by income are known to increase life satisfaction, but prior research suggests that these correlations may vary in different context. Meanwhile, prior studies which considered the contextual effects on this topic take regional average income into account. However, these attempts have limitations in that they are overly dependent on psychological variables, and that they failed to provide realistic explanations. Therefore, this study tried to analyze differences in life satisfaction between regions by including apartment prices as a contextual effect, in order to overcome the limitations of prior studies and to reflect themore realistic circumstances that the Korean society faces. This study used the Korea General Social Survey data in 2016, alongside with actual transaction prices of apartments that are provided by the Ministry of Land, Infrastructure and Transport, in order to statistically examine how the difference in life satisfaction varies depending on the price of apartments in regions, by using a multilevel model. The results of this study are as follows: First, the results of the previous study, which showed that life satisfaction depends on the income of individuals, were supported. Second, the higher the average price of apartments in the area, the greater the increase in life satisfaction due to income. Third, the greater the deviation in apartment prices in the region, the greater the increase in life satisfaction due to income. In other words, if the price of apartments in the region is higher than that of other regions, or if the price deviation is larger in the region, the difference in life satisfaction between high-income and low-income individuals is larger. This study is meaningful in that it reveals the differences of life satisfaction among regions by considering apartments as contextual effects, which have complex meanings in Korea. Particularly, it is meaningful in that it explained the process in which inequality between and within regions leads to differences in life satisfaction in Korea.โ… . ์„œ๋ก  1 โ…ก. ์ด๋ก ์  ๋…ผ์˜ 5 ์ œ 1 ์ ˆ ์ƒํ™œ๋งŒ์กฑ๋„์˜ ๊ฒฐ์ •์š”์ธ 5 1. ์ƒํ™œ๋งŒ์กฑ๋„์˜ ์ธ๊ตฌ์‚ฌํšŒํ•™์  ๊ฒฐ์ •์š”์ธ 5 2. ์†Œ๋“๊ณผ ์†Œ๋น„์— ๋”ฐ๋ฅธ ์ƒํ™œ๋งŒ์กฑ๋„ 10 ์ œ 2 ์ ˆ ๋งฅ๋ฝ์„ ๊ณ ๋ คํ•œ ์ƒํ™œ๋งŒ์กฑ๋„์˜ ์ค‘์š”์„ฑ 13 1. ๋งฅ๋ฝํšจ๊ณผ๊ฐ€ ํ•„์š”ํ•œ ์ด์œ  13 2. ์ง€์—ญ์˜ ๊ฒฝ์ œ์  ์š”์ธ์ด ์ฃผ๋Š” ๋งฅ๋ฝํšจ๊ณผ 15 3. ๊ฒฝ์ œ์  ๋งฅ๋ฝํšจ๊ณผ์˜ ๋Œ€๋ฆฌ์ง€ํ‘œ๋กœ์„œ์˜ ์•„ํŒŒํŠธ ๊ฐ€๊ฒฉ 18 ์ œ 3 ์ ˆ ๊ธฐ์กด ์—ฐ๊ตฌ์˜ ํ•œ๊ณ„์™€ ์—ฐ๊ตฌ ๊ฐ€์„ค 22 1. ๊ธฐ์กด ์—ฐ๊ตฌ์˜ ํ•œ๊ณ„ 22 2. ์—ฐ๊ตฌ ๊ฐ€์„ค 24 โ…ข. ๋ถ„์„ ๋ฐฉ๋ฒ• 27 ์ œ 1 ์ ˆ ์—ฐ๊ตฌ ์ž๋ฃŒ 27 ์ œ 2 ์ ˆ ๋ณ€์ˆ˜ ์ •์˜ 28 ์ œ 3 ์ ˆ ์ฃผ์š” ๋ณ€์ˆ˜๋“ค์˜ ๊ธฐ์ˆ ํ†ต๊ณ„ 30 ์ œ 4 ์ ˆ ๋ถ„์„ ๋ฐฉ๋ฒ• ๋ฐ ๋ชจ๋ธ 32 โ…ฃ. ๋ถ„์„ ๊ฒฐ๊ณผ 34 โ…ค. ๊ฒฐ๋ก  43 ์ฐธ๊ณ ๋ฌธํ—Œ 45 ๋ถ€๋ก 49 Abstract 53Maste

    ๊ณ ์ธต๊ฑด๋ฌผ์—์„œ ์—ฐ๋Œํšจ๊ณผ๋กœ ์ธํ•œ ๋ฌธ์ œ์ ๊ณผ ๊ฑด์ถ•์  ํ•ด๊ฒฐ๋ฐฉ์•ˆ์— ๋Œ€ํ•œ ์—ฐ๊ตฌ

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    ํ•™์œ„๋…ผ๋ฌธ(์„์‚ฌ)--์„œ์šธ๋Œ€ํ•™๊ต ๋Œ€ํ•™์› :๊ฑด์ถ•ํ•™๊ณผ,2001.Maste

    Prediction of pressure distribution due to stack effect in high-rise residential buildings and evaluation of its impact

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    ํ•™์œ„๋…ผ๋ฌธ(๋ฐ•์‚ฌ)--์„œ์šธ๋Œ€ํ•™๊ต ๋Œ€ํ•™์› :๊ฑด์ถ•ํ•™๊ณผ,2005.Docto

    Multiple Chiral Domain Wall Motions by Applying Transverse Magnetic Field Pulses

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    ์ˆ˜์ง์ด๋ฐฉ์„ฑ์„ ๊ฐ€์ง€๋Š” ๋‚˜๋…ธ์„ ์—์„œ ์ˆ˜ํ‰ ์ž๊ธฐ์žฅ ํŽ„์Šค์— ์˜ํ•œ ๋ณต์ˆ˜์˜ ํ‚ค๋ž„์„ฑ์„ ๊ฐ€์ง€๋Š” ์ž๊ตฌ๋ฒฝ๋“ค์˜ ์ด๋™์— ๊ด€ํ•œ ์ฒด๊ณ„์ ์ธ ์—ฐ๊ตฌ๋ฅผ์ˆ˜ํ–‰ํ•œ๋‹ค. ์ž๊ตฌ๋ฒฝ์˜ ์ด๋™ ๋ฐฉํ–ฅ์€ ํšก์ถ• ์ž๊ธฐ์žฅ ํŽ„์Šค์˜ ๋ฐฉํ–ฅ, ์ž๊ตฌ๋ฒฝ์˜ ๋ฐฉํ–ฅ ๋ฐ ์Ÿ๋กœ์‰ฐ์Šคํ‚ค-๋ชจ๋ฆฌ์•ผ ์ƒํ˜ธ์ž‘์šฉ์˜ ๋ถ€ํ˜ธ์— ์˜์กดํ•œ๋‹ค. ๋ ˆ์ด์ŠคํŠธ๋ž™ ๋ฉ”๋ชจ๋ฆฌ๋กœ์˜ ์‘์šฉ ๊ฐ€๋Šฅ์„ฑ์„ ํŒ์ •ํ•˜๊ธฐ ์œ„ํ•˜์—ฌ ์—ฐ์†์ ์ธ ์ž๊ธฐ์žฅ ํŽ„์Šค์— ์˜ํ•˜์—ฌ ๋ณต์ˆ˜์˜ ์ž๊ตฌ๋ฒฝ์ด ์ผ์ •ํ•˜๊ฒŒ ์ด๋™ํ•˜๋Š”์ง€ ์—ฌ๋ถ€์— ๋Œ€ํ•ด์„œ ์‹œ๋ฎฌ๋ ˆ์ด์…˜์„ ์ˆ˜ํ–‰ํ•œ๋‹ค. ๋งˆ์ง€๋ง‰์œผ๋กœ ์ฐจ์„ธ๋Œ€ ๋น„ํœ˜๋ฐœ์„ฑ ๋ฉ”๋ชจ๋ฆฌ ๋ถ„์•ผ ๋ฐ ์ธ๊ณต์ง€๋Šฅ ๋…ผ๋ฆฌํšŒ๋กœ ๋ถ„์•ผ๋กœ์˜ ์‘์šฉ ๊ฐ€๋Šฅ์„ฑ์— ๋Œ€ํ•ด์„œ ๋…ผ์˜ํ•œ๋‹ค. Multiple chiral magnetic domain walls (DW) motions on a perpendicularly magnetized nanowire by applying transverse magnetic field pulses are systematically investigated. The chiral DW motions depend on the directions of the magnetic fields, the magnetic domain wall configurations, and the signs of the Dzyaloshinskii-Moriya (DMI) interaction. For racetrack memory, the successive chiral DW motions by introducing the repetitive magnetic field pulses for both directions are numerically demonstrated. Lastly, various applications such as the next-generation non-volatile memory devices and the artificial intelligent logic devices based on the chiral DW motions are discussed.FALS

    Magnetization Dynamics on Magnetic Thin Films Probed by Brillouin Light Scattering

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    ๋ณธ ๋…ผ๋ฌธ์€ ๋ธŒ๋ฆด๋ฃจ์•™ ๊ด‘ ์‚ฐ๋ž€์‹คํ—˜์„ ์ด์šฉํ•œ ์ž์„ฑ์ฒด์˜ ์žํ™” ๋™์—ญํ•™์˜ ์›๋ฆฌ ๋ฐ ์ฃผ์š” ์ ์šฉ๋ถ„์•ผ์— ๋Œ€ํ•˜์—ฌ ๊ณ ์ฐฐํ•˜์˜€๋‹ค. ๋ธŒ๋ฆด๋ฃจ์•™ ๊ด‘์‚ฐ๋ž€์ด๋ž€ ๋น›์ด ๋งค์งˆ๋‚ด์˜ ์—ด์ ์œผ๋กœ ๋“ค๋œฌ ์žฅํŒŒ์žฅ์˜ ์Šคํ•€ํŒŒ์— ์˜ํ•ด ๋น„ํƒ„์„ฑ ์‚ฐ๋ž€๋˜๋Š” ํ˜„์ƒ์„ ๊ฐ€๋ฆฌํ‚ค๋ฉฐ, ์ˆ˜์‹ญ GHz ์ •๋„์˜ ์ฃผํŒŒ์ˆ˜๋ฅผ๊ฐ€์ง€๋Š” ์Šคํ•€ํŒŒ์™€ ๊ฐ™์€ ์ค€์ž…์ž์˜ ์—ฌ๊ธฐ ๊ณผ์ •์„ ์—ฐ๊ตฌํ•˜๋Š”๋ฐ ์ด์šฉ๋œ๋‹ค. ๋ณธ ๋…ผ๋ฌธ์—์„œ๋Š” Heisenberg ์ƒํ˜ธ์ž‘์šฉ, ๋ฉด๋‚ด ์ด์ถ• ์ž๊ธฐ ์ด๋ฐฉ์„ฑ. ์ˆ˜์ง์ž๊ธฐ์ด๋ฐฉ์„ฑ, Dzyaloshinskii-Moriya ์ƒํ˜ธ์ž‘์šฉ์— ๋Œ€ํ•œ ์—ฐ๊ตฌ ์‚ฌ๋ก€๋ฅผ ๊ฒ€ํ† ํ•จ์œผ๋กœ์จ ๋ธŒ๋ฆด๋ฃจ์•™ ๊ด‘ ์‚ฐ๋ž€ ์‹คํ—˜์„ ํ†ตํ•˜์—ฌ ์–ป์„ ์žˆ๋Š”์ž์„ฑํŠน์„ฑ์— ๋Œ€ํ•˜์—ฌ ๋…ผ์˜ํ•˜์˜€๋‹ค. Brillouin light scattering (BLS) is used to measure thermally exited surface and bulk spinwave (SW) modes in various magnetic materials and it is to study SW frequency ranges up to sub-hundred GHz. In this review, we discuss magnetic properties on magnetic thin films including Heisenberg interaction, in-plane biaxial magnetic anisotropy, perpendicular magnetic anisotropy, Dzyaloshinskii- Moriya interaction probed by using a BLS spectroscopy.FALS

    Spintronic Logic Circuit Developments Based on the Magnetic Domain Wall Majority Gates

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    ์ž๊ตฌ๋ฒฝ ์ด๋™ํ˜• ๋‹ค์ˆ˜๊ฒฐ ๊ฒŒ์ดํŠธ๋Š” 3๊ฐœ์˜ ์ž๊ตฌ๋ฒฝ ์ž…๋ ฅ๋‹จ๊ณผ 1๊ฐœ์˜ ์ถœ๋ ฅ๋‹จ์œผ๋กœ ๊ตฌ์„ฑ๋˜์–ด ์žˆ์œผ๋ฉฐ, ๋‹ค์ˆ˜์˜ ์ž…๋ ฅ๋œ ์ž๊ตฌ๋ฒฝ์ด ์ถœ๋ ฅ์œผ๋กœ๋‚˜์˜ค๋Š” ํ˜•ํƒœ์ด๊ธฐ ๋•Œ๋ฌธ์— ์ž…๋ ฅ์˜ ํ˜•ํƒœ์— ๋”ฐ๋ผ์„œ AND ๊ฒŒ์ดํŠธ์™€ OR ๊ฒŒ์ดํŠธ ๋ชจ๋‘๋ฅผ ํ‘œํ˜„ํ•  ์ˆ˜ ์žˆ๋‹ค. ํŠนํžˆ ์ „๋ฅ˜์ธ๊ฐ€ ์ž๊ตฌ๋ฒฝ ์ด๋™ํ˜„์ƒ์„ ๊ธฐ๋ฐ˜์œผ๋กœ ํ•˜๊ธฐ ๋•Œ๋ฌธ์— ์ตœ์ข…์ ์ธ ๋ชฉ์ ์€ ๊ธฐ์กด์˜ ์‹ค๋ฆฌ์ฝ˜ ๊ธฐ๋ฐ˜์˜ CMOS ๋ณด๋‹ค ์ „๋ ฅ์†Œ๋ชจ๊ฐ€ ์ ์€ ๋…ผ๋ฆฌ ํšŒ๋กœ๋ฅผ ๊ตฌํ˜„ํ•˜๋Š” ๊ฒƒ์ด๋‹ค. ๋ณธ ์—ฐ๊ตฌ์—์„œ๋Š” ์ „๋ฅ˜์ธ๊ฐ€ ์ž๊ตฌ๋ฒฝ ์ด๋™ ๊ธฐ๋ฐ˜ ๋…ผ๋ฆฌ ์†Œ์ž์˜ ๊ตฌ์„ฑ ๋ฐ ์†Œ์ž๋ฅผ ์ œ์ž‘ํ•˜๊ธฐ ์œ„ํ•œ ๋‹ค์–‘ํ•œ ๋ฐฉ๋ฒ•์— ๋Œ€ํ•ด์„œ ์†Œ๊ฐœํ•œ๋‹ค. ํŠนํžˆ๋‹ค์ˆ˜๊ฒฐ ๊ฒŒ์ดํŠธ ๋ฐ NOT ๊ฒŒ์ดํŠธ ๊ตฌํ˜„์„ ์œ„ํ•œ ์†Œ์ž ์ œ์ž‘ ๊ณต์ •์— ๋Œ€ํ•œ ์ž์„ฑ ๋‹ค์ธต ๋ฐ•๋ง‰์˜ ๊ตฌ์„ฑ์— ๋Œ€ํ•ด์„œ ๋…ผ์˜ํ•œ๋‹ค. ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ 3 ์ฐจ์› ๊ตฌ์กฐ๋กœ ์ด๋ฃจ์–ด์ง„ ์ž๊ตฌ๋ฒฝ ์ด๋™ ๊ธฐ๋ฐ˜ NOT ๊ฒŒ์ดํŠธ๋ฅผ ์ œ์ž‘ํ•˜๋Š” ๊ณต์ • ๋ฐฉ๋ฒ•์„ ์†Œ๊ฐœํ•œ๋‹ค. The spintronic majority gate based on the current-induced magnetic domain wall motion is introduced. The spin majority gate is consisting of three individual domain wall input terminals and one output terminal after the logic operation. This simple structure can realize AND gate and OR gate. To realize NOT gate operation based on the magnetic domain wall motion a magnetic domain wall inverter, which can reverse the input domains is introduced as well. The physical origin of the magnetic domain wall inverter is socalled โ€œthe interlayer exchange couplingโ€ or โ€œRuderman-Kittel-Kasuya-Yosida interactionโ€. Finally, the fabrication processes with several critical issues for the spintronic majority gates including the domain wall inverter are extensively discussed.FALS

    Magnetization Dynamics Properties of Thickness-dependent Ni81Fe19 Thin Film

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    ๋ณธ ์—ฐ๊ตฌ์—์„œ๋Š” ๋ธŒ๋ฆด๋ฃจ์•™ ๊ด‘ ์‚ฐ๋ž€์‹คํ—˜(Brillouin light scattering; BLS)๊ณผ ๋ฒกํ„ฐ๋„คํŠธ์›Œํฌ ๋ถ„์„๊ธฐ๋ฅผ ์ด์šฉํ•œ ๊ฐ•์ž์„ฑ๊ณต๋ช…์‹คํ—˜(vector network analyzer-ferromagnetic resonance; VNA-FMR)์„ ์ด์šฉํ•˜์—ฌ Ni81Fe19 ์ž์„ฑ๋ฐ•๋ง‰์˜ ๋‘๊ป˜๋ณ€ํ™”์— ๋Œ€ํ•œ ์žํ™” ๋™์—ญํ•™์˜ ํŠน์„ฑ์—๊ด€ํ•œ ์—ฐ๊ตฌ๋ฅผ ์ˆ˜ํ–‰ํ•˜์˜€๋‹ค. ๋‘๊ป˜ 15, 30, 50, 70 nm์˜ Ni81Fe19 ๋ฐ•๋ง‰์„ DC ๋งˆ๊ทธ๋„คํŠธ๋ก  ์Šคํผํ„ฐ๋ฅผ ์ด์šฉํ•˜์—ฌ ์ฆ์ฐฉํ•˜์˜€๋‹ค. ์™ธ๋ถ€ ์ž๊ธฐ์žฅ์˜ ๋ณ€ํ™”์— ๋”ฐ๋ฅธ ์Šคํ•€ํŒŒ์˜ ์ฃผํŒŒ์ˆ˜๋ฅผ ์ธก์ •ํ•˜์—ฌ Ni81Fe19 ๋ฐ•๋ง‰์˜ ํฌํ™”์žํ™”, ๊ตํ™˜ ๋ปฃ๋ปฃํ•จ ์ƒ์ˆ˜, Gilbert ๊ฐ์‡  ๊ณ„์ˆ˜๋“ฑ์˜ ์ž์„ฑ์ƒ์ˆ˜๋ฅผ ๊ฒฐ์ •ํ•˜์˜€๋‹ค. ์ž์„ฑ๋ฐ•๋ง‰์˜ ๋‘๊ป˜๊ฐ€ ๋‘๊บผ์›Œ์ง์— ๋”ฐ๋ผ ํฌํ™” ์žํ™” ๊ฐ’์€ ์ƒ์Šนํ•˜๋‹ค๊ฐ€ ๊ฐ์†Œํ•˜์˜€๊ณ , ๊ตํ™˜ ๋ปฃ๋ปฃํ•จ ์ƒ์ˆ˜์˜ ๊ฐ’์€ ์•ฝ 8.9 pJ/m๋กœ์ผ์ •ํ•˜๊ณ , Gilbert ๊ฐ์‡  ๊ณ„์ˆ˜๋Š” 0.0113 ยฑ 0.0001์—์„œ 0.0086 ยฑ 0.0002๋กœ ์ ์  ์ค„์–ด๋“œ๋Š” ๊ฒฝํ–ฅ์„ ๋ณด์˜€๋‹ค. The thickness dependent magnetic properties of Ni81Fe19 thin film are investigated using Brillouin light scattering and Vector network analyzer-ferromagnetic resonance. Ni81Fe19 thin films are fabricated by DC magnetron sputtering system as 15, 30, 50, 70 nm. The determined magnetic parameters are saturation magnetization (Ms), exchange stiffness constant (Aex), and Gilbert damping constant (). Ms values are slightly increased as increasing Ni81Fe19 thickness and decreased as increasing Ni81Fe19 thickness. Aex values are almost identical value as 8.9 pJ/m, and is decreased from 0.0113 ยฑ 0.0001 to 0.0086 ยฑ 0.0002 as increasing Ni81Fe19 thickness.FALS

    MAGNETIC MULTI LAYER THIN FILM AND MANUFACTURING METHOD OF THE SAME

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    ๋ณธ ๊ฐœ์‹œ์˜ ์ผ ์‹ค์‹œ์˜ˆ์˜ ์ž์„ฑ ๋‹ค์ธต ๋ฐ•๋ง‰์€, ์ค‘๊ธˆ์†์ธต, ์ค‘๊ธˆ์†์ธต์˜ ์ƒ๋ฉด์— ํ˜•์„ฑ๋˜๋Š” ์ž์„ฑ์ธต ๋ฐ ์ž์„ฑ์ธต์˜ ์ƒ๋ฉด์— ํ˜•์„ฑ๋˜๋Š” ์‚ฐํ™”๋ง‰์„ ํฌํ•จํ•˜๊ณ , ์‚ฐํ™”๋ง‰์€, ์ œ1 ๋‘๊ป˜๋ฅผ ๊ฐ–๋Š” ์ œ1 ์˜์—ญ ๋ฐ ์ œ1 ๋‘๊ป˜์™€ ์ƒ์ดํ•œ ์ œ2 ๋‘๊ป˜๋ฅผ ๊ฐ–๋Š” ์ œ2 ์˜์—ญ์„ ํฌํ•จํ•˜๊ณ , ์ œ1 ์˜์—ญ๊ณผ ์ œ2 ์˜์—ญ์€ ์ƒ์ดํ•œ ํฌ๊ธฐ์˜ ์ˆ˜์ง์ด๋ฐฉ์„ฑ์„ ๊ฐ€์งˆ ์ˆ˜ ์žˆ๋‹ค
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