Atomistic simulations on the effects of grain size in HAMR

David R. Papp; Richard F.L. Evans; Roy Chantrell

doi:10.1109/INTERMAGShortPapers58606.2023.10228526

Atomistic simulations on the effects of grain size in HAMR

David R. Papp^*, Richard F.L. Evans, Roy Chantrell

^*Corresponding author for this work

Physics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Using atomistic models, L1₀ FePt systems were modeled undergoing heat-assisted magnetic recording (HAMR), while varying grain diameter and height. To investigate properties relevant to the application of FePt in HAMR, atomistic simulations were done to calculate temperature dependent anisotropy scaling, Curie temperature, magnetic switching profiles for grain diameters ranging from 3nm to 12nm, and grain heights ranging from 5nm to 10nm. The results section highlights some key findings in the magnetic switching data obtained, alongside a holistic comparison of various HAMR recording tracks which have undergone a writing process.

Original language	English
Title of host publication	2023 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2023 - Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9798350338362
DOIs	https://doi.org/10.1109/INTERMAGShortPapers58606.2023.10228526
Publication status	Published - 2023
Event	2023 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2023 - Sendai, Japan Duration: 15 May 2023 → 19 May 2023

Publication series

Name	2023 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2023 - Proceedings

Conference

Conference	2023 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2023
Country/Territory	Japan
City	Sendai
Period	15/05/23 → 19/05/23

Bibliographical note

Publisher Copyright:
© 2023 IEEE.

Keywords

Atomistic model
FePt
heat-assisted magnetic recording
magnetic switching

Access to Document

10.1109/INTERMAGShortPapers58606.2023.10228526

Cite this

Papp, D. R., Evans, R. F. L., & Chantrell, R. (2023). Atomistic simulations on the effects of grain size in HAMR. In 2023 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2023 - Proceedings (2023 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2023 - Proceedings). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/INTERMAGShortPapers58606.2023.10228526

Papp, David R. ; Evans, Richard F.L. ; Chantrell, Roy. / Atomistic simulations on the effects of grain size in HAMR. 2023 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2023 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2023. (2023 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2023 - Proceedings).

@inproceedings{d7bbf41185f9454b9afbeecfa21f99e0,

title = "Atomistic simulations on the effects of grain size in HAMR",

abstract = "Using atomistic models, L10 FePt systems were modeled undergoing heat-assisted magnetic recording (HAMR), while varying grain diameter and height. To investigate properties relevant to the application of FePt in HAMR, atomistic simulations were done to calculate temperature dependent anisotropy scaling, Curie temperature, magnetic switching profiles for grain diameters ranging from 3nm to 12nm, and grain heights ranging from 5nm to 10nm. The results section highlights some key findings in the magnetic switching data obtained, alongside a holistic comparison of various HAMR recording tracks which have undergone a writing process.",

keywords = "Atomistic model, FePt, heat-assisted magnetic recording, magnetic switching",

author = "Papp, {David R.} and Evans, {Richard F.L.} and Roy Chantrell",

note = "Publisher Copyright: {\textcopyright} 2023 IEEE.; 2023 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2023 ; Conference date: 15-05-2023 Through 19-05-2023",

year = "2023",

doi = "10.1109/INTERMAGShortPapers58606.2023.10228526",

language = "English",

series = "2023 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2023 - Proceedings",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

booktitle = "2023 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2023 - Proceedings",

address = "United States",

}

Papp, DR, Evans, RFL & Chantrell, R 2023, Atomistic simulations on the effects of grain size in HAMR. in 2023 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2023 - Proceedings. 2023 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2023 - Proceedings, Institute of Electrical and Electronics Engineers Inc., 2023 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2023, Sendai, Japan, 15/05/23. https://doi.org/10.1109/INTERMAGShortPapers58606.2023.10228526

Atomistic simulations on the effects of grain size in HAMR. / Papp, David R.; Evans, Richard F.L.; Chantrell, Roy.
2023 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2023 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2023. (2023 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2023 - Proceedings).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

TY - GEN

T1 - Atomistic simulations on the effects of grain size in HAMR

AU - Papp, David R.

AU - Evans, Richard F.L.

AU - Chantrell, Roy

PY - 2023

Y1 - 2023

N2 - Using atomistic models, L10 FePt systems were modeled undergoing heat-assisted magnetic recording (HAMR), while varying grain diameter and height. To investigate properties relevant to the application of FePt in HAMR, atomistic simulations were done to calculate temperature dependent anisotropy scaling, Curie temperature, magnetic switching profiles for grain diameters ranging from 3nm to 12nm, and grain heights ranging from 5nm to 10nm. The results section highlights some key findings in the magnetic switching data obtained, alongside a holistic comparison of various HAMR recording tracks which have undergone a writing process.

AB - Using atomistic models, L10 FePt systems were modeled undergoing heat-assisted magnetic recording (HAMR), while varying grain diameter and height. To investigate properties relevant to the application of FePt in HAMR, atomistic simulations were done to calculate temperature dependent anisotropy scaling, Curie temperature, magnetic switching profiles for grain diameters ranging from 3nm to 12nm, and grain heights ranging from 5nm to 10nm. The results section highlights some key findings in the magnetic switching data obtained, alongside a holistic comparison of various HAMR recording tracks which have undergone a writing process.

KW - Atomistic model

KW - FePt

KW - heat-assisted magnetic recording

KW - magnetic switching

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U2 - 10.1109/INTERMAGShortPapers58606.2023.10228526

DO - 10.1109/INTERMAGShortPapers58606.2023.10228526

M3 - Conference contribution

AN - SCOPUS:85172722582

T3 - 2023 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2023 - Proceedings

BT - 2023 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2023 - Proceedings

PB - Institute of Electrical and Electronics Engineers Inc.

T2 - 2023 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2023

Y2 - 15 May 2023 through 19 May 2023

ER -

Papp DR, Evans RFL , Chantrell R. Atomistic simulations on the effects of grain size in HAMR. In 2023 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2023 - Proceedings. Institute of Electrical and Electronics Engineers Inc. 2023. (2023 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2023 - Proceedings). doi: 10.1109/INTERMAGShortPapers58606.2023.10228526

Atomistic simulations on the effects of grain size in HAMR

Abstract

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Conference

Bibliographical note

Keywords

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