Synchrotron X-ray study of the epitaxial Co/Pt multilayers on Al2O3(1 1 2̄ 0) substrates with Pt/Mo buffer layers

Chih Hao Lee, L. C. Wu, Kuan Li Yu, Jung-Chun Huang, Jia Chong Jan, Pei Yu Cheng

Research output: Contribution to journalConference article

4 Citations (Scopus)

Abstract

In this study, epitaxial [Co(t nm)/Pt(1 nm)]30 multilayer samples (t = 1, 0.5, 0.4, 0.3, 0.25 and 0.2 nm) were studied using X-ray measurements. The samples were prepared on Pt(1 1 1)/Mo(1 1 0) buffered Al2O3(1 1 2̄ 0) substrates in the MBE chamber. It was found that the Pt layer in the multilayer has a compressible strain of about 2-3.5% along the in-plane direction and the saturation magnetization is roughly proportional to this strain. Polarized X-ray absorption spectroscopy study showed that the Co layer is more like an FCC pseudomorphic structure for Co thickness less than 0.5 nm.

Original languageEnglish
Pages (from-to)153-156
Number of pages4
JournalPhysica B: Condensed Matter
Volume283
Issue number1-3
DOIs
Publication statusPublished - 2000 Jan 1
Event6th International Conference on Surface X-ray and Neutron Scattering (SXNS-6) - Noordwijkerhout, Neth
Duration: 1999 Sep 121999 Sep 17

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Buffer layers
Synchrotrons
Multilayers
synchrotrons
buffers
X rays
X ray absorption spectroscopy
Substrates
Saturation magnetization
Molecular beam epitaxy
absorption spectroscopy
x rays
chambers
saturation
magnetization
Direction compound

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Lee, Chih Hao ; Wu, L. C. ; Yu, Kuan Li ; Huang, Jung-Chun ; Jan, Jia Chong ; Cheng, Pei Yu. / Synchrotron X-ray study of the epitaxial Co/Pt multilayers on Al2O3(1 1 2̄ 0) substrates with Pt/Mo buffer layers. In: Physica B: Condensed Matter. 2000 ; Vol. 283, No. 1-3. pp. 153-156.
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abstract = "In this study, epitaxial [Co(t nm)/Pt(1 nm)]30 multilayer samples (t = 1, 0.5, 0.4, 0.3, 0.25 and 0.2 nm) were studied using X-ray measurements. The samples were prepared on Pt(1 1 1)/Mo(1 1 0) buffered Al2O3(1 1 2̄ 0) substrates in the MBE chamber. It was found that the Pt layer in the multilayer has a compressible strain of about 2-3.5{\%} along the in-plane direction and the saturation magnetization is roughly proportional to this strain. Polarized X-ray absorption spectroscopy study showed that the Co layer is more like an FCC pseudomorphic structure for Co thickness less than 0.5 nm.",
author = "Lee, {Chih Hao} and Wu, {L. C.} and Yu, {Kuan Li} and Jung-Chun Huang and Jan, {Jia Chong} and Cheng, {Pei Yu}",
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Synchrotron X-ray study of the epitaxial Co/Pt multilayers on Al2O3(1 1 2̄ 0) substrates with Pt/Mo buffer layers. / Lee, Chih Hao; Wu, L. C.; Yu, Kuan Li; Huang, Jung-Chun; Jan, Jia Chong; Cheng, Pei Yu.

In: Physica B: Condensed Matter, Vol. 283, No. 1-3, 01.01.2000, p. 153-156.

Research output: Contribution to journalConference article

TY - JOUR

T1 - Synchrotron X-ray study of the epitaxial Co/Pt multilayers on Al2O3(1 1 2̄ 0) substrates with Pt/Mo buffer layers

AU - Lee, Chih Hao

AU - Wu, L. C.

AU - Yu, Kuan Li

AU - Huang, Jung-Chun

AU - Jan, Jia Chong

AU - Cheng, Pei Yu

PY - 2000/1/1

Y1 - 2000/1/1

N2 - In this study, epitaxial [Co(t nm)/Pt(1 nm)]30 multilayer samples (t = 1, 0.5, 0.4, 0.3, 0.25 and 0.2 nm) were studied using X-ray measurements. The samples were prepared on Pt(1 1 1)/Mo(1 1 0) buffered Al2O3(1 1 2̄ 0) substrates in the MBE chamber. It was found that the Pt layer in the multilayer has a compressible strain of about 2-3.5% along the in-plane direction and the saturation magnetization is roughly proportional to this strain. Polarized X-ray absorption spectroscopy study showed that the Co layer is more like an FCC pseudomorphic structure for Co thickness less than 0.5 nm.

AB - In this study, epitaxial [Co(t nm)/Pt(1 nm)]30 multilayer samples (t = 1, 0.5, 0.4, 0.3, 0.25 and 0.2 nm) were studied using X-ray measurements. The samples were prepared on Pt(1 1 1)/Mo(1 1 0) buffered Al2O3(1 1 2̄ 0) substrates in the MBE chamber. It was found that the Pt layer in the multilayer has a compressible strain of about 2-3.5% along the in-plane direction and the saturation magnetization is roughly proportional to this strain. Polarized X-ray absorption spectroscopy study showed that the Co layer is more like an FCC pseudomorphic structure for Co thickness less than 0.5 nm.

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