• 제목/요약/키워드: Scanning Auger Electron Spectroscopy

검색결과 86건 처리시간 0.028초

열교환 부품용 발열체 형성기술 (The Formation Technique of Thin Film Heaters for Heat Transfer Components)

  • 조남인;김민철
    • 반도체디스플레이기술학회지
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    • 제2권4호
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    • pp.31-35
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    • 2003
  • We present a formation technique of thin film heater for heat transfer components. Thin film structures of Cr-Si have been prepared on top of alumina substrates by magnetron sputtering. More samples of Mo thin films were prepared on silicon oxide and silicon nitride substrates by electron beam evaporation technology. The electrical properties of the thin film structures were measured up to the temperature of $500^{\circ}C$. The thickness of the thin films was ranged to about 1 um, and a post annealing up to $900^{\circ}C$ was carried out to achieve more reliable film structures. In measurements of temperature coefficient of resistance (TCR), chrome-rich films show the metallic properties; whereas silicon-rich films do the semiconductor properties. Optimal composition between Cr and Si was obtained as 1 : 2, and there is 20% change or less of surface resistance from room temperature to $500^{\circ}C$. Scanning electron microscopy (SEM) and Auger electron spectroscopy (AES) were used for the material analysis of the thin films.

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HCD이온플레이팅 방법을 이용한 zzTiC코팅에 관한 연구 (A Study on the TiC Coating Using Hollow Cathode Discharge Ion Plating)

  • 김인철;서용운;황기웅
    • 대한전기학회논문지
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    • 제41권8호
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    • pp.875-882
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    • 1992
  • Titanium carbide(TiC) films, known as having excellent characteristics of resistance to wear and corrosion, were deposited on SUS-304 sheets using HCD(Hollow Cathode Discharge) reactive ion plating with acetylene gas as the reactant gas. The characteristics of TiC films were examined by X-ray diffraction, micro-Vickers hardness tester, ${\alpha}$-step, SEM(Scanning Electron Spectroscopy), ESCA(Electron Spectroscopy for Chemical Analysis), and AES(Auger Electron Spectroscopy) and the results were discussed with regard to the changes of various deposition conditions(bias voltage, acetylene flow rate, temperature).

Free-standing graphene intercalated nanosheets on Si(111)

  • Pham, Trung T.;Sporken, Robert
    • 전기전자학회논문지
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    • 제21권3호
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    • pp.297-308
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    • 2017
  • By using electron beam evaporation under appropriate conditions, we obtained graphene intercalated sheets on Si(111) with an average crystallite size less than 11nm. The formation of such nanocrystalline graphene was found as a time-dependent function of carbon deposition at a substrate temperature of $1000^{\circ}C$. The structural and electronic properties as well as the surface morphology of such produced materials have been confirmed by reflection high energy electron diffraction, Auger electron spectroscopy, X-ray photoemission spectroscopy, Raman spectroscopy, scanning electron microscopy, atomic force microscopy and scanning tunneling microscopy.

TDEAT single source를 사용한 TiN막의 특성평가

  • 김재호;이재갑;박상준;신현국;황찬용
    • 한국진공학회지
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    • 제4권S1호
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    • pp.28-33
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    • 1995
  • TiN 박막은 저온(<$500^{\circ}C$), 저압(1Torr)에서 Tetrakis(diethylamido)titanium[TDEAT, Ti(NEt2)4]single precursor를 사용하여 증착하였다. 증차고딘 박막은 SEM(Scanning Electron Microscopy)으로 surface morphology와 step coverage를 측정하였고, TEM(Transmission Electron Microscopy)분석결과 microcrystalline의 TiN을 확인하였다. XPS(X-ray Photoelectron Spectroscopy)분석결과에 따르면 $200-500^{\circ}C$구간에서는 $\beta$-hydogen elimination에 의한 반응이 일어나고 $600-700^{\circ}C$구간에서는 thermal decomposition에 의한 반응이 일어나고 있음을 알 수 있다. Carbon과 oxygen의 농도는 AES(Auger Electron Spectroscopy)를 사용하여 측정하였으며 온도가 감소할수록 carbon의 농도가 감소하는 경향을 보여주고 있다.

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WC/C 박막의 윤활접촉하의 마멸기구 (The Wear Mechanism of Carbon(WC/C) Thin Film in Lubricated Contact)

  • 안효석;김두인
    • Tribology and Lubricants
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    • 제24권6호
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    • pp.302-307
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    • 2008
  • The running-in behaviour of the metal carbon coating (WC/C) was evaluated with regard to its applicability as wear-resistant coating for key components in engines. Reciprocating wear tests under lubricated condition employing an oscillating friction wear tester were performed to investigate the tribological behaviors of the coatings in ambient environment. Confocal microscopy and scanning electron microscopy were used to observe worn surfaces and the wear scars on the steel balls. Elemental composition of the coating and worn surfaces were characterized using Auger electron spectroscopy. The friction behavior of WC/C coating was comparable to common carbon-based coatings. Thin tribofilm was formed on the worn surface of the steel ball due to material transfer and tribochemical reaction whereas there was no evidence of tribofilm generation on the coating surface. indicating the chemical innertness of WC/C coating.

미끄럼운동 시 TiN 코팅에 형성되는 산화막이 마찰 및 마멸 특성에 미치는 영향 (Effects of Oxide Layer Formed on TiN Coated Silicon Wafer on the Friction and Wear Characteristics in Sliding)

  • 조정우;이영제
    • Tribology and Lubricants
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    • 제18권4호
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    • pp.260-266
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    • 2002
  • In this study, the effects of oxide layer farmed on the wear tracks of TiN coated silicon wafer on friction and wear characteristics were investigated. Silicon wafer was used for the substrate of coated disk specimens, which were prepared by depositing TiN coating with 1 ${\mu}{\textrm}{m}$ in coating thickness. AISI 52100 steel ball was used fur the counterpart. The tests were performed both in air for forming oxide layer on the wear track and in nitrogen to avoid oxidation. This paper reports characterization of the oxide layer effects on friction and wear characteristics using X-ray diffraction(XRD), Auger electron spectroscopy(AES), scanning electron microscopy (SEM) and multi-mode atomic force microscope(AFM).

미끄럼운동 시 TiN코팅에 형성되는 산화막이 마찰 및 마멸 특성에 미치는 영향

  • 조정우;임정순;우상규;이영제
    • 한국윤활학회:학술대회논문집
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    • 한국윤활학회 2002년도 제35회 춘계학술대회
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    • pp.310-316
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    • 2002
  • In this study, the effects of oxide layer formed on the wear tracks of TiN coated silicon wafer on friction and wear characteristics were investigated. Silicon wafer was used for the substrate of coated disk specimens, which were prepared by depositing TiN coating with $1{\mu}m$ in coating thickness. AISI 52100 steel ball was used for the counterpart. The tests were performed both in air for forming oxide layer on the wear track and in nitrogen to avoid oxidation. This paper reports characterization of the oxide layer effects on friction and wear characteristics using X-ray diffraction (XRD). Auger electron spectroscopy (AES), scanning electron microscopy (SEM) and sliding tests.

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산화막위에 증착된 금속박막과 산화막과의 계면결합에 영향 미치는 열처리 효과 (Annealing Effect on Adhesion Between Oxide Film and Metal Film)

  • 김응수
    • 대한전자공학회논문지SD
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    • 제41권1호
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    • pp.15-20
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    • 2004
  • 산화막위에 증착된 금속박막과 산화막과의 계면효과를 조사하였다. 산화막으로는 현재 반도체소자제조공정에 많이 사용되고 있는 BPSG 산화막과 PETEOS 산화막을 사용하였다. 이 두 종류의 산화막위에 적층구조의 금속박막을 형성한 후, 금속박막의 열처리에 의한 계면의 영향을 SEM (scanning electron microscopy), TEM (transmission electron microscopy), AES (auger electron spectroscopy)를 사용하여 조사하였다. BPSG 산화막위에 증착된 금속박막을 $650^{\circ}C$ 이상에서 RTP anneal을 한 경우, BPSG 산화막과 금속박막의 계면결합상태가 좋지 않았고, BPSG 산화막과 금속박막의 계면에 phosphorus가 축적된 영역을 확인하였다. 반면에 PETEOS 산화막위에 증착된 금속박막의 경우, RTP anneal 온도에 관계없이 계면결합상태는 좋았다. 본 연구에서 BPSG 산화막위에 금속박막을 증착할 경우 RTP anneal 온도는 $650^{\circ}C$ 보다 작게 하여야 함을 알 수 있었다.

CIGS nanopowder 제조 및 특성분석 (Preparation and Characteristics of CIGS nanopowder)

  • 함창우;서정대;조정민;송기봉
    • 한국신재생에너지학회:학술대회논문집
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    • 한국신재생에너지학회 2009년도 추계학술대회 논문집
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    • pp.371-372
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    • 2009
  • We have prepared and characterized CIGS nanopowder for absorber layer of photovoltaic. CIGS nanopowder were obtained at $260^{\circ}C$ for 6 hours from the reaction of $CuCl_2$, $InCl_3$, $GaCl_3$ and Se powder in solvent. The CIGS nanopowder were identified to have a typical chalcopyrite tetragonal structure by using X-ray diffraction(XRD), Inductively Coupled Plasma Auger Electron Spectroscopy (AES), Scanning Electron Microscopy(SEM).

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