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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

Nonuniform Distribution of Molecularly Thin Lubricant Caused by Inhomogeneous Buried Layers of Discrete Track Media

http://hdl.handle.net/2237/11180
633d2647-2a6d-40b5-b072-7dd0b332cbb1
名前 / ファイル ライセンス アクション
getPDF_jsp.pdf getPDF_jsp.pdf (351.1 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2009-02-25
タイトル
タイトル Nonuniform Distribution of Molecularly Thin Lubricant Caused by Inhomogeneous Buried Layers of Discrete Track Media
著者 Fukuzawa, Kenji

× Fukuzawa, Kenji

WEKO 26878

Fukuzawa, Kenji

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福澤, 健二

× 福澤, 健二

WEKO 26879

福澤, 健二

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Muramatsu, Takuro

× Muramatsu, Takuro

WEKO 26880

Muramatsu, Takuro

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Amakawa, Hiroaki

× Amakawa, Hiroaki

WEKO 26881

Amakawa, Hiroaki

Search repository
Itoh, Shintaro

× Itoh, Shintaro

WEKO 26882

Itoh, Shintaro

Search repository
Zhang, Hedong

× Zhang, Hedong

WEKO 26883

Zhang, Hedong

Search repository
権利
権利情報 Copyright © 2008 IEEE. Reprinted from Nanotechnology Magazine, IEEE Transactions on Magnetics, v.44, n.11, part 2, 2008, p.3663-3666. This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of Nagoya University’s products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to pubs-permissions@ieee.org.
キーワード
主題Scheme Other
主題 Discrete track media
キーワード
主題Scheme Other
主題 disjoining pressure
キーワード
主題Scheme Other
主題 head-disk interface
キーワード
主題Scheme Other
主題 lubricant
キーワード
主題Scheme Other
主題 magnetic recording
抄録
内容記述 A method of estimating the thickness distribution on a surface with inhomogeneous buried layers is presented. It revealed that the lubricant distributes nonuniformly on discrete track media (DTM). First, the estimation method was theoretically developed. To balance the disjoining pressures of the lubricants in the track and off-track regions, the lubricant takes different film thicknesses in the two regions because the regions consist of different materials and have different intermolecular interactions. Formulating the balance of the disjoining pressures by using the theory for intermolecular force, we obtained the thicknesses in the two regions. Next, the validity of the theoretical estimation was experimentally verified. When a nonpolar lubricant was applied to a nanometer-thick oxide layer on a silicon surface, which was locally fabricated by probe oxidation, AFM images showed that the lubricant height in the oxide region decreased and the thickness distribution agreed well with that predicted by theory. Using the developed theory, we estimated the lubricant thicknesses on DTM. Even if lubricant is uniformly applied onto the disk, it moves from the off-track to track regions due to the pressure balance. Thus, the theory predicts that the lubricant is thicker in the track regions than the off-track region at equilibrium.
内容記述タイプ Abstract
出版者
出版者 IEEE
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
DOI
関連識別子
識別子タイプ DOI
関連識別子 https://doi.org/10.1109/TMAG.2008.2003042
ISSN
収録物識別子タイプ ISSN
収録物識別子 3663-3666
書誌情報 IEEE Transactions on Magnetics

巻 44, 号 11, p. 3663-3666, 発行日 2008-11
フォーマット
application/pdf
著者版フラグ
値 publisher
URI
識別子 http://hdl.handle.net/2237/11180
識別子タイプ HDL
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