[HTML][HTML] Concepts and use cases for picosecond ultrasonics with x-rays

M Mattern, A von Reppert, SP Zeuschner, M Herzog… - Photoacoustics, 2023 - Elsevier
This review discusses picosecond ultrasonics experiments using ultrashort hard x-ray probe
pulses to extract the transient strain response of laser-excited nanoscopic structures from …

The origin of (001) texture evolution in FePt thin films on amorphous substrates

JS Kim, YM Koo, BJ Lee, SR Lee - Journal of Applied Physics, 2006 - pubs.aip.org
A theoretical study has been performed to rationalize the strong evolution of (001) texture
during postannealing of deposited Fe 50 Pt 50 thin films on amorphous substrates, by …

Effect of initial stress/strain state on order-disorder transformation of FePt thin films

SN Hsiao, FT Yuan, HW Chang, HW Huang… - Applied Physics …, 2009 - pubs.aip.org
Initial stress (σ i) of a room-temperature deposited FePt films was manipulated to study the
order-disorder transformation. We observed that, while σ i was increased from− 1.01 …

Spin stress contribution to the lattice dynamics of FePt

A von Reppert, L Willig, JE Pudell, SP Zeuschner… - Science …, 2020 - science.org
Invar-behavior occurring in many magnetic materials has long been of interest to materials
science. Here, we show not only invar behavior of a continuous film of FePt but also even …

Magnetic domain crossover in FePt thin films

E Sallica Leva, RC Valente, F Martínez Tabares… - Physical Review B …, 2010 - APS
We have investigated the crossover in the magnetic domain structure of FePt thin films as a
function of film thickness. We have directly observed by magnetic force microscopy (MFM) …

[HTML][HTML] Growth of L1-ordered crystal in FePt and FePd thin films on MgO (001) substrate

M Futamoto, M Nakamura, M Ohtake, N Inaba… - Aip Advances, 2016 - pubs.aip.org
Formation of L1 0-oredered structure from disordered A1 phase has been investigated for
FePt and FePd films on MgO (001) substrates employing a two-step method consisting of …

Rapid thermal annealing of Fe P t thin films

M Albrecht, C Brombacher - physica status solidi (a), 2013 - Wiley Online Library
In this study, Fe52Pt48 thin films were DC magnetron sputter‐deposited at room temperature
onto thermally oxidized silicon wafers. Rapid thermal annealing (RTA) was employed to …

Synthesis of super-fine L10-FePt nanoparticles with high ordering degree by two-step sintering under high magnetic field

D Zhao, X Wang, L Chang, W Pei, C Wu, F Wang… - Journal of Materials …, 2021 - Elsevier
Abstract Super-fine L1 0-FePt nanoparticles (NPs) with high ordering degree were
successfully prepared by a modified two-step sintering method, which includes low …

Quantitative transmission electron microscopy analysis of multi-variant grains in present L1-FePt based heat assisted magnetic recording media

H Ho, J Zhu, A Kulovits, DE Laughlin… - Journal of Applied …, 2014 - pubs.aip.org
We present a study on atomic ordering within individual grains in granular L1 0-FePt thin
films using transmission electron microscopy techniques. The film, used as a medium for …

L10 FePt Films with Optimal (001) Texture on Amorphous SiO2/Si Substrates for High-Density Perpendicular Magnetic Recording Media

JY Chiou, HW Chang, CC Chi, CH Hsiao… - ACS Applied Nano …, 2019 - ACS Publications
Highly ordered L10 FePt films with the highest degree of [001] preferred orientation were
prepared by multilayer deposition on amorphous oxidized Si substrates and subsequent …