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Article
A polarization-sensitive, self-powered, broadband and fast Ti3C2Tx MXene photodetector from visible to near-infrared driven by photogalvanic effects
Broadband, self-power, and polarization-sensitivity are desirable qualities for a photodetector. However, currently few photodetectors can fulfill these requirements simultaneously. Here, we propose a Ti3C2Tx (MX...
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Article
Piezoelectric and pyroelectric properties of Mn-doped 0.36Pb(In1/2Nb1/2)O3–0.36Pb(Mg1/3Nb2/3)O3–0.28PbTiO3 ceramics
0.5 mol% Mn-doped 0.36Pb(In1/2Nb1/2)O3–0.36Pb(Mg1/3Nb2/3)O3–0.28PbTiO3 (Mn-PIMNT) ceramics were fabricated by a two-step precursor method. The phase structure, morphologies, and temperature-dependent dielectric, ...
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Article
Enhanced magnetic properties of amorphous FeGaN film growth by plasma assisted pulsed laser deposition
The amorphous N-doped FeGa film were successfully deposited on Si (001) substrate using N2-plasma assisted pulsed laser deposition system at different temperatures. The enlarged saturation magnetization of FeGaN ...
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Article
Ferroelectric and piezoelectric response in (100)-oriented Mn-doped Bi0.5Na0.5TiO3–BaTiO3 thin films
In this work, high-quality Mn-doped 0.935Bi0.5Na0.5TiO3–0.065BaTiO3 (Mn-BNBT) ferroelectric film was prepared on the SrRuO3-buffered (100)-oriented SrTiO3 single-crystal substrate using pulsed laser deposition me...
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Article
Investigations on the electrical properties, domain structure, and local piezoelectric response in 0.3Pb(In1/2Nb1/2)–0.4Pb(Mg1/3Nb2/3)–0.3PbTiO3 single crystal
High-Curie temperature relaxor ferroelectric single crystals attracted attention recently due to the excellent global electrical properties for electromechanical devices. In this work, the electrical propertie...
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Article
Open AccessTerahertz electromagnetically-induced transparency of self-complementary meta-molecules on Croatian checkerboard
A terahertz (THz) electromagnetically-induced transparency (EIT) phenomenon is observed from two types of self-complementary meta-molecules (MMs) based on rectangular shaped electric split-ring resonators (eSR...
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Article
Interfacial and electrical characteristics of tetragonal HfO2/Al2O3 multilayer grown on AlGaN/GaN
We report the study of HfO2/Al2O3 multilayer (HAOM) that is deposited on AlGaN/GaN heterostructure by plasma enhanced atomic layer deposition (PEALD). The properties and passivation effect of HAOM, sole Al2O3 and...
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Article
Growth and electrical properties of epitaxial 0.7Pb(Mg1/3Nb2/3)O3-0.3PbTiO3 thin film by pulsed laser deposition
(100)-oriented epitaxial relaxor ferroelectric 0.7Pb(Mg1/3Nb2/3)O3-0.3PbTiO3 (PMN-0.3PT) thin film was prepared on SrRuO3-buffered SrTiO3 single-crystal substrate by pulsed laser deposition. The phase and domain ...
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Article
Integrated structural color array enabled by ultrathin silver film via cavity-enhanced absorption
In this work, we experimentally demonstrate enhanced absorption resonance enabled by the deconstructive interference of the reflected light in a sandwiched nanostructures composing of the ultrathin silver laye...
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Article
Electric-regulated enhanced in-plane uniaxial anisotropy in FeGa/PMN–PT composite using oblique pulsed laser deposition
The FeGa film with in-plane uniaxial magnetic anisotropy was fabricated onto different oriented single-crystal lead magnesium niobate–lead titanate using oblique pulsed laser deposition. An enhanced in-plane u...
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Article
The Influence of Element Deformation on Terahertz Mode Interaction in Split-Ring Resonator-Based Meta-Atoms
The interaction between terahertz (THz) resonance modes and element deformation in rectangular split-ring resonator (RSRR)-based meta-atoms (MAs) is investigated experimentally. Two types of RSRR-based MAs are...
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Article
Effect of La/Cr codo** on structural transformation, leakage, dielectric and magnetic properties of BiFeO3 ceramics
BiFeO3 (BFO) and Bi1−x La x Fe0.9Cr0.1O3 (x = 0.1–0.2, BLFC x=0.1–0.2) ceramics were prepared by modified solid-state reaction....
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Article
Suppression of terahertz dipole oscillation in split-ring resonators deformed from square to triangle
The evolution of terahertz resonance modes in an individual split-ring resonator (SRR) is investigated experimentally by locally structural deformation. The length reduction of opposite-side results in a frequ...
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Article
Terahertz refractive anisotropy on femtosecond laser pulse ablated semi-insulating gallium arsenide surface
We present an artificial variation of THz refractive index ellipse from isotropy to anisotropy at the surface of <100>-oriented semi-insulating gallium arsenide (SI-GaAs) via femtosecond pulse laser ablation. ...
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Article
Improved ferromagnetic behavior and novel near-infrared photoluminescence in Mg/Mn-codoped CuCrO2 ceramics
Cu(Cr0.96−x Mg0.04Mn x )O2−δ ceramics (0 ≤ x ≤ 15 at.%) were prepared by solid-state reaction. The influence of Mg acceptor codop...
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Article
Open AccessHighly-ordered silicon inverted nanocone arrays with broadband light antireflectance
In this work, highly-ordered silicon inverted nanocone arrays are fabricated by integration of nanosphere lithography with reactive ion etching (RIE) method. The optical characteristics of as-prepared Si inver...
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Article
Surface plasmon resonance and surface-enhanced Raman scattering activity of SiO2–Au core-cap nanostructure arrays
SiO2–Au core-cap nanostructure arrays were prepared by dip-coating technique combined with wet chemical reduction method. The surface morphologies, structures, and optical properties of the obtained samples were ...
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Article
Growth and electric properties of (100)-oriented Mn-doped (Bi0.5Na0.5)TiO3-BaTiO3 thin film by pulsed laser deposition
Mn-doped (Bi0.5Na0.5)TiO3-BaTiO3 (BNBMT) thin film with the composition near the morphotropic phase boundary was grown on (La0.6Sr0.4)CoO3-electroded SrTiO3 single-crystal substrate by using pulsed laser depositi...
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Article
An investigation on terahertz response in electro-optic crystals excited at 1.03 μm wavelength
We theoretically investigate terahertz (THz) emission and detection from 〈110〉-oriented electro-optic (EO) crystals adapted for Yb-doped femtosecond pulse laser. According to the principles of phase-matching c...
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Article
The optical influence of Na on Cu2ZnSnSe4 films deposited with Na-containing sol–gel precursor
A novel Na-containing precursor solution is presented to investigate the sodium influences on Cu2ZnSnSe4 (CZTSe) absorbers grown on Na-free substrates. With higher sodium incorporation, some delicate change in se...
