A5069875892- Ferroelectric and Piezoelectric Materials
- Multiferroics and related materials
- Magnetic and transport properties of perovskites and related materials
- Electronic and Structural Properties of Oxides
- Acoustic Wave Resonator Technologies
- X-ray Diffraction in Crystallography
- Crystallization and Solubility Studies
- Crystallography and molecular interactions
- Metamaterials and Metasurfaces Applications
- Video Surveillance and Tracking Methods
- Indoor and Outdoor Localization Technologies
- Energy Efficient Wireless Sensor Networks
- Advanced Condensed Matter Physics
- Ferroelectric and Negative Capacitance Devices
- Energetic Materials and Combustion
- Electrocatalysts for Energy Conversion
- Photochromic and Fluorescence Chemistry
- Photorefractive and Nonlinear Optics
- Magneto-Optical Properties and Applications
- MXene and MAX Phase Materials
- Photopolymerization techniques and applications
- ZnO doping and properties
- Infrared Target Detection Methodologies
- Ophthalmology and Visual Impairment Studies
- Perovskite Materials and Applications
Institute of Physics
2021-2025
Chinese Academy of Sciences
2021-2025
Czech Academy of Sciences, Institute of Physics
2023-2025
National Laboratory for Superconductivity
2024
University of Chinese Academy of Sciences
2021-2024
Air Force Engineering University
2023
Tsinghua University
2023
Nankai University
2023
Qingdao University
2021
Sichuan Research Center of New Materials
2019
Abstract Magnetoelectric coupling, as a fundamental physical nature and with the potential to add functionality devices while also reducing energy consumption, has been challenging be probed in freestanding membranes or two-dimensional materials due their instability fragility. In this paper, we report magnetoelectric coupling by optical second harmonic generation external magnetic field, show manipulation of ferroelectric antiferromagnetic orders thermal fields BiFeO 3 films epitaxially...
Abstract The demand for low‐dimensional ferroelectric devices is steadily increasing, however, the thick substrates in epitaxial films impede further size miniaturization. Freestanding offer a potential solution by eliminating substrate constraints. Nevertheless, it remains an ongoing challenge to improve stability thin and fragile freestanding under strain temperature. In this work, structure order of PbTiO 3 (PTO) are investigated continuous variation temperature using nondestructive...
<title>Abstract</title> Antiferromagnetism has become a promising candidate for the next generation electronic devices due to its thermal stability, low energy consumption, and fast switching speed. However, canceling of net magnetic moment in antiferromagnetic order presents great challenge on quantitative characterization modulation, hindering investigation application. In this work, utilizing optical second harmonic (SHG) wide temperature range, integrated differential phase contrast...
Continuous strain engineering of multiferroics not only enhances understanding their properties but also guides the optimization performances for use in electronic, optical, and magnetic devices. However, due to technical challenges real-time monitoring ferroic orders, precise evolution process remains unclear. Here, ferroelectric (FE) antiferromagnetic (AFM) orders are revealed multiferroic freestanding BiFeO3 films under sequential anisotropic biaxial strain, using rotational anisotropy...
Furin, a kind of trans-Golgi proprotein convertases, plays important role in various physiological processes. It is overexpressed many cancers and relates to tumor growth migration. In situ detection imaging furin great significance for obtaining real-time information about its activity. However, the previously reported fluorescent probes usually failed realize long-term bioimaging, because these are based on water-soluble fluorophores, which tend diffuse away from reaction sites after...
Antiferroelectric PbZrO3 has attracted renewed interest in recent years because of its unique properties and wide range potential applications. However, the nature antiferroelectricity evolution with electric field temperature remain controversial, mostly due to difficulty obtaining high-quality single-crystal samples. The lack consensus regarding phase transition is not only important on a fundamental side but also greatly hinders further Herein, epitaxial thin films are successfully...
Because of the half-filled t_{2g}-electron configuration, BO_{6} octahedral distortion in a 3d^{3} perovskite system is usually very limited. In this Letter, perovskitelike oxide Hg_{0.75}Pb_{0.25}MnO_{3} (HPMO) with Mn^{4+} state was synthesized by using high pressure and temperature methods. This compound exhibits an unusually large enhanced approximately 2 orders magnitude compared that observed other systems like RCr^{3+}O_{3} (R=rare earth). Essentially different from centrosymmetric...
Incipient ferroelectrics have emerged as an attractive class of functional materials owing to their potential be engineered for exotic ferroelectric behavior, holding great promise expanding the family. However, thus far, artificially ferroelectricity has fallen far short rivaling classic ferroelectrics. In this study, we address challenge by developing a superfine nanodomain engineering strategy. By applying approach representative incipient SrTiO
Polarization rotation caused by various strains, such as substrate and/or chemical strain, is essential to control the electronic structure and properties of ferroelectric materials. This study proposes anion-induced polarization with which effectively improves ferroelectricity. A method for sulfurization BiFeO3 thin films introducing sulfur anions presented. The sulfurized exhibited substantial enhancement in room-temperature through distortion, a 170% increase remnant from 58 100.7 μC...
Bulk SrZrO3 has an orthorhombic perovskite structure (Pbnm) with a central symmetry but exhibits low dielectric constant. In this study, we reported room-temperature ferroelectric thin film constant, induced by compressive strain from the SrTiO3 substrate. The presence of out-of-phase boundary allows large lattice mismatch to grow epitaxially on substrates. apparent atomic displacements in are revealed scanning transmission electron microscopy imaging. Compressive induces...
Abstract Oxide semimetals exhibiting both nontrivial topological characteristics stand as exemplary parent compounds and multiple degrees of freedom, offering a promise for the realization novel electronic states. In this work, we report structural transport phase transition in an oxide semimetal, SrNbO 3 , achieved through effective anion doping. Notably, resistivity increased by more than three orders magnitude at room temperature upon nitrogen‐doping. The extent modulation is strongly...
Abstract The integration of the Ultraviolet (UV) curable resin into energetic materials, has been a new direction in field explosive inks with high curing speed and solid loading. In this ink formulation, polyurethane acrylate (PUA), 2,4,6‐trimethylbenzoyl‐diphenylphosphine oxide (TPO) hexanitrohexaazaisowurtzitane (CL‐20) were selected as binder, photoinitiator main explosive, respectively. CL‐20 based UV‐curing composite was prepared by direct writing (DIW) technology. rate curing,...
Abstract Direct ink writing (DIW), a promising technology for manufacturing energetic materials, has been hot topic in the micro‐scale charge of explosives. Herein, three kinds pentaerythrite tetranitrate (PETN)‐based all‐liquid explosive inks were engineered and patterned using DIW. Scanning electron microscopy, energy‐dispersive x‐ray spectroscopy, X‐ray diffraction, differential scanning calorimetry, nanoindentation used to characterize printed samples. The density, thickness single...
Abstract A variety of novel phenomena and functionalities emerge from lowering the dimensionality materials enriching degrees freedom in modulation. In this work, it is found that saturation magnetization LaMnO 3 (LMO) films largely enhanced by 56% after releasing a brand‐new phase tetragonal strontium aluminate buffer layer, significantly increased 92% with bending to curvature 1 mm −1 using water‐assisted direct‐transferring method. Meanwhile, Curie temperature LMO has been improved 13 K....
Interfacial strain engineering can induce structural transformation and introduce new physical properties into materials, which is an effective method to prepare multifunctional materials. However, interfacial has a limited spatial impact size. For example, in 2D thin films, the critical thickness of biaxial typically less than 20 nm, not conducive maintenance strained structure thick film The construction 3D interface solve this problem. large lattice mismatch between BaZrO
In order to improve the efficiency of orthokeratology (OK) lens fitting and predict axial length after 1 year OK wear, machine learning models were proposed.Clinical data from 1302 myopic subjects collected retrospectively, two implemented. Demographic corneal topographic as input variables. The output variables parameters year. Eighty percent was used training set remaining 20% validation set. first alignment curve (AC1) lenses, deduced using formula calculation, compared. Multiple...
Abstract High‐density magnetic memories are essential components for spintronics, quantum computing, and energy‐efficient electronics. Miniaturization of storage units requires reduced dimensionality domain stability at the nanoscale. However, inducing order selectively tuning spin‐orbital coupling specific locations is challenging. Here, an unprecedented approach demonstrated to construct switchable nanoislands in a nonmagnetic matrix based on cobaltite homostructures. The electronic states...
Abstract Control of magnetic states by external factors has garnered a mainstream status in spintronic research for designing low power consumption and fast‐response information storage processing devices. Previously, magnetic‐cation substitution was the conventional approach to induce ferromagnetism an intrinsic antiferromagnet. Theoretically, anion doping is proposed be another means change ground states. Here, authors demonstrate synthesis high‐quality single‐phase chromium oxynitride...
<title>Abstract</title> The integration of ferroelectrics with semiconductors is crucial for developing functional devices, such as field-effect transistors, tunnel junctions, and nonvolatile memories. However, the synthesis high-quality single crystalline ferroelectric perovskite nitrides has been limited, hindering a comprehensive understanding their switching dynamics potential applications. Here we report characterizations epitaxial single-phase cerium tantalum nitride...
Hafnia-based ferroelectrics have become a valuable class of electronic functional materials at the nanoscale, showing great potential for next-generation memory and logic devices. However, more robust ferroelectric properties better understanding polarization mechanisms are currently needed both in technology science. Herein, we report oxygen-deficient Hf0.5Zr0.5O2 films with ultralarge remanent (Pr) 387 uC cm-2 room temperature (1 kHz). Structure characterizations identify new monoclinic Pc...
<title>Abstract</title> The magnetic ordering of perovskite ferroelectric oxides is essential for enhancing their stability and minimizing energy losses in magnetoelectric devices. However, inducing a transition from magnetically disordered state to an ordered one remains formidable challenge. Here, we propose chemical sulfurization method that significantly bolsters the multiferroic super-tetragonal phase BiFeO<sub>3</sub>thin film, thereby properties. sulfured films exhibit robust...