Searching for multifunctional materials with tunable magnetic and optical properties has been a critical task toward the implementation of future integrated devices. Vertically aligned nanocomposite (VAN) thin films provide unique platform material designs. Here, new metal–oxide VAN designed plasmonic Au nanopillars embedded in ferromagnetic La0.67Sr0.33MnO3 (LSMO) matrix. Such Au–LSMO presents intriguing plasmon resonance visible range anisotropy property, which are functionalized by LSMO...

Self-assembled vertically aligned metal–oxide (Ni–CeO₂) nanocomposite thin films with novel multifunctionalities have been successfully deposited by a one-step growth method.

Vertically aligned nanocomposites (VAN) thin films present as an intriguing material family for achieving novel functionalities. However, most of the VAN structures tend to grow in a random fashion, hindering future integration nanoscale devices. Previous efforts ordered nanopillar have been focused on specific systems, and rely sophisticated lithography seeding techniques, making large area ordering quite difficult. In this work, new technique is presented produce self‐assembled with...

(La0.7Sr0.3MnO3)0.67:(CuO)0.33 (LSMO:CuO) nanocomposite thin films were deposited on SrTiO3 (001), LaAlO3 and MgO (001) substrates by pulsed laser deposition, their microstructure as well magnetic magnetoresistance properties investigated. X-ray diffraction (XRD) transmission electron microscopy (TEM) results show that LSMO:CuO grow highly textured self-assembled vertically aligned (VAN), with a systematic domain structure strain tuning effect based the substrate type deposition frequency. A...

Metallic nanostructures within ceramic matrices provide a unique platform for integrating magnetic, optical, and electrical properties device applications. Currently, hurdles still exist the integration of metallic conventional devices, including incompatible growth conditions between metals ceramics control overall physical properties. In this study, we demonstrate tunability one-step method to fabricate magnetic embedded an oxide matrix, La0.5Sr0.5FeO3:Fe, from composite target using...

Chip-scale chemical detection is demonstrated by using mid-Infrared (mid-IR) photonic circuits consisting of amorphous silicon (a-Si) waveguides on an epitaxial barium titanate (BaTiO3, BTO) thin film. The highly c-axis oriented BTO film was grown the pulsed laser deposition (PLD) method and it exhibits a broad transparent window from λ = 2.5 μm up to 7 μm. waveguide structure fabricated complementary metal-oxide-semiconductor (CMOS) process sharp fundamental mode has been observed. By...

Abstract The ability to control nanoparticle size, concentration, and distribution in epitaxial nanocomposite films has been a formidable challenge the synthesis of nanostructured composite materials. Here, novel 3D super‐nanocomposite (3D‐sNC) architecture is successfully demonstrated by integrating superlattice vertically aligned structures. In 3D‐sNC architecture, feature size nanocylinders such as height/lateral dimension vertical/lateral spacing can be precisely controlled....

Integration of highly anisotropic multiferroic thin films on silicon substrates is a critical step towards low-cost devices, especially high-speed and low-power consumption memories. In this work, an oxide-metal vertically aligned nanocomposite (VAN) platform has been used to successfully demonstrate self-assembled BaTiO3-Fe (BTO-Fe) with high structural anisotropy Si substrates. The effects various buffer layers the crystallinity, microstructure, physical properties BTO-Fe have explored....

Inducing new phases in thick films <italic>via</italic> vertical lattice strain is one of the critical advantages vertically aligned nanocomposites (VANs).

Materials with magneto-optic coupling properties are highly coveted for their potential applications ranging from spintronics and optical switches to sensors. In this work, a new, three-phase Au-Fe-La0.5Sr0.5FeO3 (LSFO) hybrid material grown in vertically aligned nanocomposite (VAN) form has been demonstrated. This combines the strong ferromagnetic of Fe plasmonic Au dielectric nature LSFO matrix. More interestingly, immiscible phases Au-encapsulated nanopillars, embedded...

We prepared poly(vinylidene fluoride) (PVDF) and aluminum composite dense films using a tape caster investigated the microstructural, thermal, electrical properties combustion behavior of as function nano-aluminum (nAl) solids loading (5–30 wt. %). found that addition nAl facilitates formation piezoelectric β γ phases PVDF determined by x-ray diffraction Fourier transform infrared spectroscopy. At higher solid loadings, lower onset temperature pre-ignition decomposition reactions have been...

In situ utilization of available resources in space is necessary for future habitation. However, direct sintering the lunar regolith on Moon as structural and functional components considered to be challenging due conditions. To address this issue, we demonstrate use electric current-assisted (ECAS) a single-step method compacting densifying simulant JSC-1A. The temperature pressure required achieve relative density 97% microhardness 6 GPa are 700 °C 50 MPa, which significantly lower than...

Ferromagnetic nanostructures with strong anisotropic properties are highly desired for their potential integration into spintronic devices. Several candidates, such as CoFeB and Fe-Pt, have been previously proposed, but many of them limitations patterning issues or thickness restrictions. In this work, Co-BaZrO3 (Co-BZO) vertically aligned nanocomposite (VAN) films tunable magnetic anisotropy coercive field strength demonstrated to address need. Such achieved through tuning the Co-BZO VAN...

Recent studies in complex nanocomposite thin films have brought forth interesting morphologies and physical properties thus great potential for future devices. This study presents the formation of a nanomushroom structure developed from three-phase system, i.e., Co–CeO2–BaTiO3 (Co–CeO2–BTO) system. Via varying oxygen partial pressure during deposition, Co–CeO2–BTO system growth shows microstructure tuning vertically aligned Co nanopillars CeO2–BTO composite matrix processed vacuum to...

We studied the microstructural evolution and magnetism of ferroelastic La0.9Sr0.1MnO3 (LSMO) epitaxial thin films grown on SrTiO3 (001) substrates with different miscut angles. The substrate angle plays a critical role in controlling in-plane magnetic anisotropy. microscopic origin such anisotropy is attributed to formation anisotropic stripe domains along surface step terraces. magnetization LSMO was found be selectively modulated by antiferrodistortive phase transition substrate. This...

Vertically aligned magnetic nanostructures embedded in oxide matrices are an attractive framework for exploring anisotropic properties with potential applications devices such as tunnel junctions. Magnetic response can easily be tuned through the growth of self-assembled ferromagnetic oxide-metal nanocomposite thin films. Here, (La0.5Sr0.5FeO3)1-x:Fex (LSFO1-x:Fex) films various molar concentrations Fe (x = 0.3, 0.4, 0.5) grown by pulsed laser deposition under reducing conditions. The...

Integration of functional thin films with a multiferroic property on flexible substrates has piqued tremendous research interest and device potential for electronics. In this work, self-assembled BaTiO3–Fe vertically aligned nanocomposite (VAN) have been integrated mica using pulsed laser deposition. Different buffer layers explored to facilitate VAN growth. The anisotropic ferromagnetic room temperature ferroelectric achieved in the films. bending test up 1000 cycles signifies mechanical...

Nanocomposite thin film materials present great opportunities in coupling and functionalities unique nanostructures including nanoparticles-in-matrix, vertically aligned nanocomposites (VANs), nanolayers. Interestingly the processed through a non-equilibrium processing method, e.g., pulsed laser deposition (PLD), often possess metastable phases microstructures that could not achieve using equilibrium techniques, thus lead to novel physical properties. In this work, three-phase system...

Abstract Despite the advances in methods for fabricating nanoscale materials, critical issues remain, such as difficulties encountered anchoring, and deterioration their stability after integration with other components. These need to be addressed further increase scope of applicability. In this study, using epitaxial mesoscopic host matrices, materials are spatially confined at nanoscale, supported, anchored, stabilized. They also exhibit properties distinct from bulk counterparts proving...

The emergent phenomena in complex oxide thin films are strongly tied to the oxygen content, which is often engineered by partial pressure during growth. However, such control growth challenging synthesize for some films, requires a subtle of content. A parameter controlling content independent desired. Here, we propose method engineering substrate before serves as an sponge, provides tunable environment ranging from oxygen-rich oxygen-poor film growth, depending on pre-substrate annealing...

Two-dimensional layered materials hold great significance to fundamental scientific research and future nanoscale device applications. Besides the well-studied graphene dichalcogenides, oxide-based are another family attracting significant interests, for example, Bi-based Bi3Fe2Mn2O10-δ supercell (called BFMO322 SC) structure. SC is an excellent room-temperature multiferroic material, but its growth mechanism unclear. In this work, Bi2Fe1–xMnxO6 thin films with different Fe/Mn molar ratios...