Epitaxial bilayers and trilayers of superconducting and high K materials grown by PLD for microwave applications

Delage, T.; Champeaux, Corinne; Catherinot, A.; Seaux, J.F.; Madrangeas, Valérie; Cros, Dominique; Pailloux, F.; Gaboriaud, R.J.

doi:10.1016/j.tsf.2003.11.283

Cited by 2 publications

(1 citation statement)

References 5 publications

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“…[ 16 – 19 ]. They can be grown epitaxially by pulsed laser deposition to have well controlled interfaces [ 18 , 20 – 23 ]. So far, all studies on the assembly of FePt NPs have focused on SiO 2 substrates [ 1 – 5 , 8 – 10 , 13 , 24 ].…”

Section: Introductionmentioning

confidence: 99%

Monolayer-directed Assembly and Magnetic Properties of FePt Nanoparticles on Patterned Aluminum Oxide

Yildirim

Tang

Kinge

et al. 2010

IJMS

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FePt nanoparticles (NPs) were assembled on aluminum oxide substrates, and their ferromagnetic properties were studied before and after thermal annealing. For the first time, phosph(on)ates were used as an adsorbate to form self-assembled monolayers (SAMs) on alumina to direct the assembly of NPs onto the surface. The Al2O3 substrates were functionalized with aminobutylphosphonic acid (ABP) or phosphonoundecanoic acid (PNDA) SAMs or with poly(ethyleneimine) (PEI) as a reference. FePt NPs assembled on all of these monolayers, but much less on unmodified Al2O3, which shows that ligand exchange at the NPs is the most likely mechanism of attachment. Proper modification of the Al2O3 surface and controlling the immersion time of the modified Al2O3 substrates into the FePt NP solution resulted in FePt NPs assembly with controlled NP density. Alumina substrates were patterned by microcontact printing using aminobutylphosphonic acid as the ink, allowing local NP assembly. Thermal annealing under reducing conditions (96%N2/4%H2) led to a phase change of the FePt NPs from the disordered FCC phase to the ordered FCT phase. This resulted in ferromagnetic behavior at room temperature. Such a process can potentially be applied in the fabrication of spintronic devices.

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Section: Introductionmentioning

confidence: 99%

Monolayer-directed Assembly and Magnetic Properties of FePt Nanoparticles on Patterned Aluminum Oxide

Yildirim

Tang

Kinge

et al. 2010

IJMS

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Nd3+-doped LiYF4 thin films prepared by pulsed laser deposition

Garapon¹,

Guy²,

Skasasian³

et al. 2008

Appl. Phys. A

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International audienceNd:LiYF4 (YLF) thin films were prepared on CaF2 or YLF substrates by pulsed laser deposition, using a KrF laser for ablation of Nd:LiYF4 single-crystal targets. For 10 J/cm2, 450 ◦C and about 10−6 mbar pressure, transparent and crystalline, highly textured, YLF films were obtained, without oxyfluoride or YF3 contamination. High surface roughness is shown by optical microscopy and interface ion diffusion between film and substrate is evidenced by Rutherford backscattering spectroscopy. Fluorescence properties of the films are quite similar to those of bulk Nd:YLF crystal, which confirms the pure YLF composition and shows good conservation of Nd3+ ion doping rate

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Epitaxial bilayers and trilayers of superconducting and high K materials grown by PLD for microwave applications

Cited by 2 publications

References 5 publications

Monolayer-directed Assembly and Magnetic Properties of FePt Nanoparticles on Patterned Aluminum Oxide

Monolayer-directed Assembly and Magnetic Properties of FePt Nanoparticles on Patterned Aluminum Oxide

Nd3+-doped LiYF4 thin films prepared by pulsed laser deposition

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