Recent advances in pulsed-laser deposition of complex oxides
Hans M. Christen,Gyula Eres +1 more
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TLDR
Detailed growth kinetics results are discussed, which illustrate that 'true' layer-by-layer (LBL) growth can only be approached, not fully met, even though many characterization techniques reveal interfaces with unexpected sharpness.Abstract:
Pulsed-laser deposition (PLD) is one of the most promising techniques for the formation of complex-oxide heterostructures, superlattices, and well controlled interfaces. The first part of this paper presents a review of several useful modifications of the process, including methods inspired by combinatorial approaches. We then discuss detailed growth kinetics results, which illustrate that 'true' layer-by-layer (LBL) growth can only be approached, not fully met, even though many characterization techniques reveal interfaces with unexpected sharpness. Time-resolved surface x-ray diffraction measurements show that crystallization and the majority of interlayer mass transport occur on timescales that are comparable to those of the plume/substrate interaction, providing direct experimental evidence that a growth regime exists in which non-thermal processes dominate PLD. This understanding shows how kinetic growth manipulation can bring PLD closer to ideal LBL than any other growth method available today.read more
Citations
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Journal ArticleDOI
Unit cell orientation of tetragonal-like BiFeO3 thin films grown on highly miscut LaAlO3 substrates
Christianne Beekman,Wolter Siemons,Thomas Z. Ward,John D. Budai,Jonathan Zachary Tischler,Ruqing Xu,Wenjun Liu,Nina Balke,Joong Hee Nam,Hans M. Christen +9 more
TL;DR: In this paper, tetragonal-like T′-BiFeO3 films on miscut LaAlO3 substrates (α < 5°) exhibit (00l)-planes tilted away from those of the substrate as predicted by the Nagai model.
Dissertation
Magnetic X-ray spectroscopy studies of PLD grown magnetoelectric hexaferrites
TL;DR: In this paper, a bespoke pulsed laser deposition growth system was designed and developed to enable the growth of high quality transition metal oxide thin films, such as hexaferrites, by using an alternating target approach.
Journal ArticleDOI
High Throughput Tools for the Study of Protein-Nanostructured Surface Interaction
TL;DR: The aim of this review is to describe and to analyze the ingredients that are necessary in order to develop a robust and effective experimental approach for the high-throughput characterization of protein-nanostructured surface interaction.
Journal ArticleDOI
Effects of cation stoichiometry on electronic and structural properties of LaNiO3
TL;DR: In this article, LaNiO3 films with varying La:Ni ratios were deposited onto SrTiO3 (001) substrates via molecular beam epitaxy to elucidate the effects of cation off-stoichiometry.
References
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Book ChapterDOI
Pulsed laser deposition of thin films
TL;DR: Pulsed laser deposition of high-temperature superconducting thin films for active and passive device applications is discussed in this article, with a focus on the commercial scale-up of Pulsed Laser Deposition.
Journal ArticleDOI
Atomic View of Surface Self‐Diffusion: Tungsten on Tungsten
Gert Ehrlich,F. G. Hudda +1 more
TL;DR: In this paper, the surface diffusion of tungsten adatoms on several smooth, low-index planes of the Tungsten lattice has been followed by direct observation of individual atoms in the field-ion microscope.
Journal ArticleDOI
Step Motion on Crystal Surfaces. II
TL;DR: In this article, it is shown that coalescence of steps or stabilization of step spacings can occur as a consequence of assuming that capture probabilities are directionally dependent, and a general solution for the time-dependent step distribution is obtained in terms of these probabilities and an arbitrary initial distribution of an infinite sequence of parallel steps.
Journal ArticleDOI
Preparation of Y‐Ba‐Cu oxide superconductor thin films using pulsed laser evaporation from high Tc bulk material
D. Dijkkamp,Thirumalai Venkatesan,X. D. Wu,S. A. Shaheen,Najeh Jisrawi,Y. H. Min‐Lee,W. L. McLean,Mark Croft +7 more
TL;DR: In this paper, the first successful preparation of thin films of Y-Ba-Cu-O superconductors using pulsed excimer laser evaporation of a single bulk material target in vacuum was reported.
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