Optimum compositions for the low-temperature fabrication of highly ordered FePt (001) and FePt (110) films

Takeshi Seki; Toshiyuki Shima; Koki Takanashi; Yukio Takahashi; Eiichiro Matsubara; Kazuhiro Hono

doi:10.1109/TMAG.2004.832108

Optimum compositions for the low-temperature fabrication of highly ordered FePt (001) and FePt (110) films

Takeshi Seki, Toshiyuki Shima, Koki Takanashi, Yukio Takahashi, Eiichiro Matsubara, Kazuhiro Hono

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

The composition dependence of the degree of chemical order S and uniaxial magnetic anisotropy energy K_u has been investigated for FePt (001) and FePt (110) films deposited at the substrate temperature T_s = 300°C, and the optimum compositional region for L1₀ ordering in FePt (110) films has been compared with that in FePt (001) films. It has been found that high S and large K_u are obtained around the stoichiometric composition for FePt (110) films, whereas they are obtained around an off-stoichiometric Pt-rich composition for FePt (001) films, indicating that the difference in optimum compositions for achieving highly ordered structure between FePt (001) and FePt (110) films at reduced temperature.

Original language	English
Pages (from-to)	2522-2524
Number of pages	3
Journal	IEEE Transactions on Magnetics
Volume	40
Issue number	4 II
DOIs	https://doi.org/10.1109/TMAG.2004.832108
Publication status	Published - 2004 Jul

Keywords

Composition dependence
FePt thin film
Low-temperature fabrication
Sputter-deposition

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

Access to Document

10.1109/TMAG.2004.832108

Cite this

@article{26949d97997b4355a67d88f632c6d19e,

title = "Optimum compositions for the low-temperature fabrication of highly ordered FePt (001) and FePt (110) films",

abstract = "The composition dependence of the degree of chemical order S and uniaxial magnetic anisotropy energy Ku has been investigated for FePt (001) and FePt (110) films deposited at the substrate temperature Ts = 300°C, and the optimum compositional region for L10 ordering in FePt (110) films has been compared with that in FePt (001) films. It has been found that high S and large Ku are obtained around the stoichiometric composition for FePt (110) films, whereas they are obtained around an off-stoichiometric Pt-rich composition for FePt (001) films, indicating that the difference in optimum compositions for achieving highly ordered structure between FePt (001) and FePt (110) films at reduced temperature.",

keywords = "Composition dependence, FePt thin film, Low-temperature fabrication, Sputter-deposition",

author = "Takeshi Seki and Toshiyuki Shima and Koki Takanashi and Yukio Takahashi and Eiichiro Matsubara and Kazuhiro Hono",

note = "Funding Information: Manuscript received October 16, 2003. This work was supported in part by the Special Coordination Funds for Promoting Science and Technology on “Nanohetero Metallic Materials” from the MEXT.",

year = "2004",

month = jul,

doi = "10.1109/TMAG.2004.832108",

language = "English",

volume = "40",

pages = "2522--2524",

journal = "IEEE Transactions on Magnetics",

issn = "0018-9464",

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

number = "4 II",

}

TY - JOUR

T1 - Optimum compositions for the low-temperature fabrication of highly ordered FePt (001) and FePt (110) films

AU - Seki, Takeshi

AU - Shima, Toshiyuki

AU - Takanashi, Koki

AU - Takahashi, Yukio

AU - Matsubara, Eiichiro

AU - Hono, Kazuhiro

N1 - Funding Information: Manuscript received October 16, 2003. This work was supported in part by the Special Coordination Funds for Promoting Science and Technology on “Nanohetero Metallic Materials” from the MEXT.

PY - 2004/7

Y1 - 2004/7

N2 - The composition dependence of the degree of chemical order S and uniaxial magnetic anisotropy energy Ku has been investigated for FePt (001) and FePt (110) films deposited at the substrate temperature Ts = 300°C, and the optimum compositional region for L10 ordering in FePt (110) films has been compared with that in FePt (001) films. It has been found that high S and large Ku are obtained around the stoichiometric composition for FePt (110) films, whereas they are obtained around an off-stoichiometric Pt-rich composition for FePt (001) films, indicating that the difference in optimum compositions for achieving highly ordered structure between FePt (001) and FePt (110) films at reduced temperature.

AB - The composition dependence of the degree of chemical order S and uniaxial magnetic anisotropy energy Ku has been investigated for FePt (001) and FePt (110) films deposited at the substrate temperature Ts = 300°C, and the optimum compositional region for L10 ordering in FePt (110) films has been compared with that in FePt (001) films. It has been found that high S and large Ku are obtained around the stoichiometric composition for FePt (110) films, whereas they are obtained around an off-stoichiometric Pt-rich composition for FePt (001) films, indicating that the difference in optimum compositions for achieving highly ordered structure between FePt (001) and FePt (110) films at reduced temperature.

KW - Composition dependence

KW - FePt thin film

KW - Low-temperature fabrication

KW - Sputter-deposition

UR - http://www.scopus.com/inward/record.url?scp=4444348714&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=4444348714&partnerID=8YFLogxK

U2 - 10.1109/TMAG.2004.832108

DO - 10.1109/TMAG.2004.832108

M3 - Article

AN - SCOPUS:4444348714

SN - 0018-9464

VL - 40

SP - 2522

EP - 2524

JO - IEEE Transactions on Magnetics

JF - IEEE Transactions on Magnetics

IS - 4 II

ER -

Optimum compositions for the low-temperature fabrication of highly ordered FePt (001) and FePt (110) films

Abstract

Keywords

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this