Synthesis and Preparation of Oxide Ultrathin Films

Valeri, Sergio; Benedetti, Stefania

doi:10.1002/9783527640171.ch1

Cited by 4 publications

(3 citation statements)

References 158 publications

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“…There is a wealth of preparation techniques, which have been applied for the growth of ultrathin oxide films, ranging from physical vapor deposition (PVD) under highly controlled ultrahigh vacuum (UHV) conditions, to chemical methods, involving chemical vapor deposition (CVD) and liquid-precursor-based techniques . Here, we will briefly summarize preparation routes within a surface science perspective, focusing mainly on the PVD of metal atoms onto a dissimilar single-crystal metal substrate.…”

Section: Experimental Aspects and Theoretical Methodsmentioning

confidence: 99%

Structure–Property Relationship and Chemical Aspects of Oxide–Metal Hybrid Nanostructures

2012

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Diagrams 4336 3.4. Effects of Low Dimensionality 4339 3.5. Defects as a Structure-Stabilizing Concept 4343 4. Structure−Property Relationships 4345 4.1. Electronic Structure of Oxide Ultrathin Films 4345 4.1.1. Dependence of the Work Function on the Oxide Film 4345 4.1.2. Band Structure and Metallization 4347 4.1.3. Excited States 4347 4.2. Vibrational Properties 4349 4.2.1. Thickness-Dependent Vibrational Properties 4349 4.2.2. Vibrational Properties of 2D Oxide Nanolayers: Local Building Block Concepts 4350 4.3. Magnetic Properties 4353 4.4. Chemical Properties 4356 4.4.1. Reactions on "Inverse Model Catalyst" Surfaces 4357 4.4.2. Reactions on Oxide Nanolayer Surfaces 4360 4.4.3. Morphological Aspects during Reactions on Oxide Nanolayers 4362 5. Synopsis 4364 Author Information 4365 Corresponding Author 4365 Notes 4365 Biographies 4365 Acknowledgments 4366 References 4366

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Section: Experimental Aspects and Theoretical Methodsmentioning

confidence: 99%

Structure–Property Relationship and Chemical Aspects of Oxide–Metal Hybrid Nanostructures

2012

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“…In comparison to PLD and sputtering, despite the reduced deposition rate, the single element sources used for the MBE growth process allow for materials engineering at the atomic scale. For further reading on PVD techniques and the epitaxial growth of films, we recommend the following literature on PLD [55][56][57][58], sputtering [58], and MBE [58,59]. Note that all these PVD growth processes involve ultra-high vacuum growth chambers with a geometry that is compatible with in situ investigations.…”

Section: Ferroelectricity At the Epitaxial Growth Temperaturementioning

confidence: 99%

In situ monitoring of epitaxial ferroelectric thin-film growth

Sarott

Gradauskaite

Nordlander

et al. 2021

J. Phys.: Condens. Matter

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In ferroelectric thin films, the polarization state and the domain configuration define the macroscopic ferroelectric properties such as the switching dynamics. Engineering of the ferroelectric domain configuration during synthesis is in permanent evolution and can be achieved by a range of approaches, extending from epitaxial strain tuning over electrostatic environment control to the influence of interface atomic termination. Exotic polar states are now designed in the technologically relevant ultrathin regime. The promise of energy-efficient devices based on ultrathin ferroelectric films depends on the ability to create, probe, and manipulate polar states in ever more complex epitaxial architectures. Because most ferroelectric oxides exhibit ferroelectricity during the epitaxial deposition process, the direct access to the polarization emergence and its evolution during the growth process, beyond the realm of existing structural in situ diagnostic tools, is becoming of paramount importance. We review the recent progress in the field of monitoring polar states with an emphasis on the non-invasive probes allowing investigations of polarization during the thin film growth of ferroelectric oxides. A particular importance is given to optical second harmonic generation in situ. The ability to determine the net polarization and domain configuration of ultrathin films and multilayers during the growth of multilayers brings new insights towards a better understanding of the physics of ultrathin ferroelectrics and further control of ferroelectric-based heterostructures for devices.

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“…Chemical methods for thin-film deposition are an affordable and versatile alternative to physical deposition techniques (pulsed laser deposition, sputtering, molecular beam epitaxy, etc. ). − In particular, deposition from a solution is preferred to avoid the use of high-vacuum chambers, and, a priori, is suitable for coatings over large areas and complex-shaped objects.…”

Section: Introductionmentioning

confidence: 99%

Room-Temperature Ferromagnetism in Thin Films of LaMnO₃ Deposited by a Chemical Method Over Large Areas

Vila-Fungueiriño

Rivas‐Murias

Rodríguez‐González

et al. 2015

ACS Appl. Mater. Interfaces

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Hole-doping into the Mott insulator LaMnO3 results in a very rich magneto-electric phase diagram, including colossal magnetoresistance and different types of charge and orbital ordering. On the other hand, LaMnO3 presents an important catalytic activity for oxygen reduction, which is fundamental for increasing the efficiency of solid-oxide fuel cells and other energy-conversion devices. In this work, we report the chemical solution (water-based) synthesis of high-quality epitaxial thin films of LaMnO3, free of defects at square-centimeter scales, and compatible with standard microfabrication techniques. The films show a robust ferromagnetic moment and large magnetoresistance at room temperature. Through a comparison with films grown by pulsed laser deposition, we show that the quasi-equilibrium growth conditions characteristic of this chemical process can be exploited to tune new functionalities of the material.

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Synthesis and Preparation of Oxide Ultrathin Films

Cited by 4 publications

References 158 publications

Structure–Property Relationship and Chemical Aspects of Oxide–Metal Hybrid Nanostructures

Structure–Property Relationship and Chemical Aspects of Oxide–Metal Hybrid Nanostructures

In situ monitoring of epitaxial ferroelectric thin-film growth

Room-Temperature Ferromagnetism in Thin Films of LaMnO₃ Deposited by a Chemical Method Over Large Areas

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Synthesis and Preparation of Oxide Ultrathin Films

Cited by 4 publications

References 158 publications

Structure–Property Relationship and Chemical Aspects of Oxide–Metal Hybrid Nanostructures

Structure–Property Relationship and Chemical Aspects of Oxide–Metal Hybrid Nanostructures

In situ monitoring of epitaxial ferroelectric thin-film growth

Room-Temperature Ferromagnetism in Thin Films of LaMnO3 Deposited by a Chemical Method Over Large Areas

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Product

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Room-Temperature Ferromagnetism in Thin Films of LaMnO₃ Deposited by a Chemical Method Over Large Areas