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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202004897
|2 doi
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|a pubmed24n1053.xml
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|a (NLM)33029839
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Ohkoshi, Shin-Ichi
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Magnetic-Pole Flip by Millimeter Wave
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 01.12.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2020 The Authors. Published by Wiley-VCH GmbH.
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|a In the era of Big Data and the Internet of Things, data archiving is a key technology. From this viewpoint, magnetic recordings are drawing attention because they guarantee long-term data storage. To archive an enormous amount of data, further increase of the recording density is necessary. Herein a new magnetic recording methodology, "focused-millimeter-wave-assisted magnetic recording (F-MIMR)," is proposed. To test this methodology, magnetic films based on epsilon iron oxide nanoparticles are prepared and a focused-millimeter-wave generator is constructed using terahertz (THz) light. Irradiating the focused millimeter wave to epsilon iron oxide instantly switches its magnetic pole direction. The spin dynamics of F-MIMR are also calculated using the stochastic Landau-Lifshitz-Gilbert model considering all of the spins in an epsilon iron oxide nanoparticle. In F-MIMR, the heat-up effect of the recording media is expected to be suppressed. Thus, F-MIMR can be applied to high-density magnetic recordings
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|a Journal Article
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|a epsilon iron oxide
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|a magnetic recording
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|a magnetization reversal
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|a millimeter waves
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|a nanoparticles
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1 |
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|a Yoshikiyo, Marie
|e verfasserin
|4 aut
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| 700 |
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|a Imoto, Kenta
|e verfasserin
|4 aut
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|a Nakagawa, Kosuke
|e verfasserin
|4 aut
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1 |
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|a Namai, Asuka
|e verfasserin
|4 aut
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|a Tokoro, Hiroko
|e verfasserin
|4 aut
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|a Yahagi, Yuji
|e verfasserin
|4 aut
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|a Takeuchi, Kyohei
|e verfasserin
|4 aut
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|a Jia, Fangda
|e verfasserin
|4 aut
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|a Miyashita, Seiji
|e verfasserin
|4 aut
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| 700 |
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|a Nakajima, Makoto
|e verfasserin
|4 aut
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|a Qiu, Hongsong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kato, Kosaku
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yamaoka, Takehiro
|e verfasserin
|4 aut
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|a Shirata, Masashi
|e verfasserin
|4 aut
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|a Naoi, Kenji
|e verfasserin
|4 aut
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|a Yagishita, Koichi
|e verfasserin
|4 aut
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|a Doshita, Hiroaki
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 32(2020), 48 vom: 07. Dez., Seite e2004897
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:32
|g year:2020
|g number:48
|g day:07
|g month:12
|g pages:e2004897
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|u http://dx.doi.org/10.1002/adma.202004897
|3 Volltext
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