Annealing Induced Structural Phase Change of Hexagonal‐LuFeO3 Thin Films

Rai, Ram; Mckenna, D.; Horvatits, C.; Hart, Julianna Du

doi:10.1002/9781119494096.ch21

Cited by 2 publications

(1 citation statement)

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“…Nevertheless, the microscopic mechanism of the o–h nanocomposite is still unclear. Furthermore, the substrate used in similar subsequent studies were limited to Al 2 O 3 . , Thus, it is urgently required (i) to try to coexist the hexagonal and orthorhombic phases using perovskite substrates such as STO (001) or LAO (001) and (ii) to systematically characterize the microstructure of each phase and analyze the physics behind it. Considering this, in this work, we designed and created a new class of self-assembled nanocomposite microstructures consisting of orthorhombic and hexagonal nanocolumns from the Lu 1– x In x FeO 3 (LIFO) system.…”

Section: Introductionmentioning

confidence: 99%

Self-Assembled Hexagonal Lu_1–xIn_xFeO₃ Nanopillars Embedded in Orthorhombic Lu_1–xIn_xFeO₃ Nanoparticle Matrixes as Room-Temperature Multiferroic Thin Films for Memory Devices and Spintronic Applications

Shao

Ren

et al. 2020

ACS Appl. Nano Mater.

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Self-assembled nanocomposite films containing ferroelectric and ferromagnetic phases have aroused great interest because of their advantages for practical multiferroic applications. However, previously reported self-assembled oxide nanocomposites consist either of a single phase that exhibits various variants or of two different materials. Herein, we demonstrate the growth of Lu1–x In x FeO3 (LIFO) (x = 0.5–0.6) thin films with an unusual self-assembled nanocomposite microstructure containing orthorhombic and hexagonal polymorphs, both of which grow epitaxially with respect to the cubic (001)-SrTiO3 (STO) substrate and which are therefore homoepitaxial with each other. Detailed transmission electron microscopy (TEM) characterization illustrates self-assembled tapered hexagonal (h-LIFO) nanopillars with circular cross section growing perpendicular to the substrate embedded in the orthorhombic (o-LIFO) matrix. The orthorhombic–hexagonal (o–h) mixed-phase LIFO has three domain variants for o-LIFO and the two phases are composed of grains with different sizes. Robust room-temperature multiferroic responses and a huge piezoelectric effect have been demonstrated with huge potentials in various device applications. The realization of the o–h mixed-phase LIFO self-assembled nanocomposite in this work has paved an avenue toward designing and exploring new materials for memory devices and spintronic applications.

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Section: Introductionmentioning

confidence: 99%

Self-Assembled Hexagonal Lu_1–xIn_xFeO₃ Nanopillars Embedded in Orthorhombic Lu_1–xIn_xFeO₃ Nanoparticle Matrixes as Room-Temperature Multiferroic Thin Films for Memory Devices and Spintronic Applications

Shao

Ren

et al. 2020

ACS Appl. Nano Mater.

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Non-collinear spin DFT study of the ground state magnetic structure, optical and electronic properties of the hexagonal LuFeO3 multiferroic

Melo

Brito

Lima

et al. 2020

Journal of Alloys and Compounds

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Annealing Induced Structural Phase Change of Hexagonal‐LuFeO3 Thin Films

Cited by 2 publications

References 22 publications

Self-Assembled Hexagonal Lu_1–xIn_xFeO₃ Nanopillars Embedded in Orthorhombic Lu_1–xIn_xFeO₃ Nanoparticle Matrixes as Room-Temperature Multiferroic Thin Films for Memory Devices and Spintronic Applications

Self-Assembled Hexagonal Lu_1–xIn_xFeO₃ Nanopillars Embedded in Orthorhombic Lu_1–xIn_xFeO₃ Nanoparticle Matrixes as Room-Temperature Multiferroic Thin Films for Memory Devices and Spintronic Applications

Non-collinear spin DFT study of the ground state magnetic structure, optical and electronic properties of the hexagonal LuFeO3 multiferroic

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Annealing Induced Structural Phase Change of Hexagonal‐LuFeO3 Thin Films

Cited by 2 publications

References 22 publications

Self-Assembled Hexagonal Lu1–xInxFeO3 Nanopillars Embedded in Orthorhombic Lu1–xInxFeO3 Nanoparticle Matrixes as Room-Temperature Multiferroic Thin Films for Memory Devices and Spintronic Applications

Self-Assembled Hexagonal Lu1–xInxFeO3 Nanopillars Embedded in Orthorhombic Lu1–xInxFeO3 Nanoparticle Matrixes as Room-Temperature Multiferroic Thin Films for Memory Devices and Spintronic Applications

Non-collinear spin DFT study of the ground state magnetic structure, optical and electronic properties of the hexagonal LuFeO3 multiferroic

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Self-Assembled Hexagonal Lu_1–xIn_xFeO₃ Nanopillars Embedded in Orthorhombic Lu_1–xIn_xFeO₃ Nanoparticle Matrixes as Room-Temperature Multiferroic Thin Films for Memory Devices and Spintronic Applications

Self-Assembled Hexagonal Lu_1–xIn_xFeO₃ Nanopillars Embedded in Orthorhombic Lu_1–xIn_xFeO₃ Nanoparticle Matrixes as Room-Temperature Multiferroic Thin Films for Memory Devices and Spintronic Applications