Particulate structure of L10 ordered ultrathin FePt films for perpendicular recording

A Perumal, YK Takahashi, TO Seki, K Hono - Applied Physics Letters, 2008 - pubs.aip.org
We report the investigation of microstructure and magnetic properties of ultrathin FePt (1–10
nm) films grown on oxidized Si substrates with a 10 nm MgO (100) intermediate layer. The …

Microstructure and in-plane component of L10-FePt films deposited on MgO and MgAl2O4 substrates

H Sepehri-Amin, H Iwama, T Ohkubo, T Shima, K Hono - Scripta Materialia, 2017 - Elsevier
Microstructures of FePt films deposited on MgO and MgAl 2 O 4 single crystalline substrates
were studied using aberration corrected scanning transmission electron microscopy (STEM) …

Microstructure and magnetic properties of FePt-(C, SiO2) granular films deposited on MgO, MgTiO, and MgTiON underlayers

H Sepehri-Amin, M Nagano, T Seki, H Ho, D Tripathy… - Scripta Materialia, 2018 - Elsevier
We investigated the microstructure and magnetic properties of FePt-(C, SiO 2) granular films
deposited on MgO, MgTiO, and MgTiON underlayers. The coercivity and grain size of the …

Electrically conductive (Mg0. 2Ti0. 8) O underlayer to grow FePt-based perpendicular recording media on glass substrates

BSD Varaprasad, YK Takahashi, A Ajan… - Journal of Applied …, 2013 - pubs.aip.org
We have explored a new electrically conductive underlayer material to grow (001) textured
L1 0-FePt films on glass substrates for potential application in ultrahigh density magnetic …

FePtAg–C nanogranular films fabricated on a heat resistant glass substrate for perpendicular magnetic recording

A Perumal, L Zhang, YK Takahashi… - Journal of Applied Physics, 2010 - pubs.aip.org
We report (001)-oriented FePtAg–C nanogranular films consisting of fine particle size of
about 5 nm with a narrow size distribution of 3.3 nm in variance that were grown on a Fe–Ta …

Effects of Pt and Fe underlayers on the microstructure and magnetization reversal of epitaxial FePt films for high areal density magnetic recording

DH Wei, FT Yuan, HW Chang, YD Yao - Journal of Applied Physics, 2008 - pubs.aip.org
The effects of underlayer on the microstructure and magnetic characterizations of epitaxial
FePt films were studied. Enhanced out-of-plane coercivity and ordering were obtained in the …

Microstructure and Magnetic Properties of FePt Thin Films on SiO2/Si (100) and Si Substrates Prepared Under External Magnetic Field

P Mokhtari, P Kameli, MH Ehsani, AS Esmaeily… - … of Superconductivity and …, 2017 - Springer
FePt thin films were prepared by pulsed laser deposition (PLD) on SiO 2/Si (100) and Si
(100) singlecrystal substrates at different temperatures of 600, 700 and 800∘ C. In all …

Ordering and grain growth of FePt thin films by annealing

N Murayama, S Soeya, Y Takahashi… - Journal of magnetism and …, 2008 - Elsevier
Microstructure variation of FePt thin film upon annealing at elevated temperatures was
investigated by transmission electron microscopy (TEM). A special shape aperture was …

The growth and annealing of FePt nanoparticles in the presence of magnetic field

M Salahpour, SA Sebt, A Khajehnezhad - Journal of Superconductivity …, 2020 - Springer
L1 0–FePt compound ordering phase formation in FePt nanocrystals needs high
temperatures, which disagree with the nanostructural order. This means collective …

Magnetization arrangement of hard magnetic phases and mechanism of magnetization and reversal magnetization of nano-composite magnets

X LIU, XIE Ren, PAN Jing - Transactions of Nonferrous Metals Society of …, 2009 - Elsevier
During the process of directional solidification, laser remelting/solidification in the layer on
sintered magnets, die-upsetting of cast magnets, or die-upsetting of nano-composites, the …