Study on chemical structures at surface and interface of ultra-thin overcoat/lubricant films for magnetic disks with ultrahigh recording density

2018 Fiscal Year Final Research Report

• Project/Area Number: 26289250
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Partial Multi-year Fund
• Section: 一般
• Research Field: Composite materials/Surface and interface engineering
• Research Institution: Waseda University
• Principal Investigator: YANAGISAWA Masahiro 早稲田大学, ナノ・ライフ創新研究機構, 客員上級研究員(研究院客員教授) (20421224)
• Co-Investigator(Kenkyū-buntansha): 齋藤 美紀子 早稲田大学, ナノ理工学研究機構, 客員教授 (80386739)
• Research Collaborator: KUNIMOTO Masahiro ; HOMMA Takayuki ; MITA Masahiro
• Project Period (FY): 2014-04-01 – 2019-03-31
• Keywords: ナノマイクロトライボロジー / 磁気ディスク

Outline of Final Research Achievements

We developed novel measurement technologies which analyze chemical structures of ultra-thin films and their interfaces with a resolution of 0.1nm using plasmonic sensor. Major application is magnetic disk with ultra-high density recording, particularly, for a heat assisted magnetic recording. The developed technology can analyze wear resisting, heat resisting, corrosion resisting properties of thin films as well, its application can extend over a lot of academic or industrial field, i.e. tribology, adhesion, corrosion, catalysis, automobile, plane, storage devices, semiconductor devices, batteries, biology, medical care, and so on.

Free Research Field

工学

Academic Significance and Societal Importance of the Research Achievements

本研究は、原子レベルの薄膜の深さ方向化学構造分析を通じて膜の密着性や腐食性、および耐熱性、耐摩耗性の評価ができることから、薄膜表面界面に関係するさまざまな学術分野（トライボロジー、接着、触媒等）で応用が可能である。また磁気ディスクの記録密度向上のみでなく自動車、航空機、半導体デバイス、ディスプレイ、2次電池などのエネルギーデバイス、バイオ・医療などさまざまな産業分野への応用が可能でありそのインパクトは極めて大きい。