A5102722053- Quantum Information and Cryptography
- Quantum and electron transport phenomena
- Quantum Mechanics and Applications
- Quantum Computing Algorithms and Architecture
- Diamond and Carbon-based Materials Research
- Atomic and Subatomic Physics Research
- Quantum optics and atomic interactions
- Topological Materials and Phenomena
- Advanced Sensor and Energy Harvesting Materials
- Supercapacitor Materials and Fabrication
- Advanced Thermodynamics and Statistical Mechanics
- Conducting polymers and applications
- Graphene research and applications
- Advancements in Battery Materials
- Perovskite Materials and Applications
- Organic Light-Emitting Diodes Research
- Photonic and Optical Devices
- Cold Atom Physics and Bose-Einstein Condensates
- Advanced Battery Materials and Technologies
- Quantum many-body systems
- Advanced Condensed Matter Physics
- Polymer Surface Interaction Studies
- Surface Modification and Superhydrophobicity
- Quantum, superfluid, helium dynamics
- Biosensors and Analytical Detection
Institute of Semiconductors
2007-2025
University of Chinese Academy of Sciences
2022-2025
Chinese Academy of Sciences
2007-2024
Nanjing Normal University
2022-2024
Institute of Oceanology
2023-2024
North China Electric Power University
2024
Hefei University of Technology
2023-2024
Beijing Institute of Nanoenergy and Nanosystems
2024
Inner Mongolia Agricultural University
2024
Shenyang Ligong University
2022-2023
Decoherence of electron spins in nanoscale systems is important to quantum technologies such as information processing and magnetometry. It also an ideal model problem for studying the crossover between classical phenomena. At low temperatures or light-element materials where spin-orbit coupling weak, phonon scattering nanostructures less fluctuations nuclear become dominant decoherence mechanism spins. Since 1950s, semiclassical noise theories have been developed understanding spin...
Abstract Accurate measurement of complicated multiphase flow is crucial to the safety and efficiency petroleum chemical industrial facilities. However, existing detection techniques are not applicable pipelines in remote regions including deserts or deep seas, due high cost providing a stable power supply. Herein, self‐powered sensor, composed liquid‐driven triboelectric nanogenerator (TENG) ‐based signal generator, ring‐type transmitter, string‐type receiver, proposed. Theoretical modeling...
Abstract Human health and the environment face significant challenges of air pollution, which is predominantly caused by PM2.5 or PM10 particles. Existing control methods often require elevated energy consumption bulky high‐voltage electrical equipment. To overcome these limitations, a self‐powered, convenient, compact direct current triboelectric nanogenerator based on triboelectrification electrostatic breakdown effects proposed. By optimizing structure‐design corresponding output voltage,...
Abstract Phase transformation engineering provides new synthetic opportunities and pathways toward functional materials with desirable phases structures. However, current phase processes are generally time‐consuming or low‐yielding due to the lack of favorable driving forces. Herein, a superfast scalable technique driven by dual chemical equilibrium is developed. Taking manganese hexacyanoferrate (MnHCF) as an example, precipitation–dissolution oxidation‐reduction co‐drive from cubic...
Single-shot readout of qubits is required for scalable quantum computing. Nuclear spins are superb memories due to their long coherence times but difficult be read out in single shot weak interaction with probes. Here we demonstrate single-shot a weakly coupled $^{13}$C nuclear spin, which unresolvable traditional protocols. We use dynamical decoupling pulse sequences selectively enhance the entanglement between spin and nitrogen-vacancy center electron tuning measurement strong, projective...
We report the storage of microwave pulses at single-photon level in a spin-ensemble memory consisting ${10}^{10}$ nitrogen-vacancy centers diamond crystal coupled to superconducting $LC$ resonator. The energy signal, retrieved $100\phantom{\rule{0.28em}{0ex}}\ensuremath{\mu}\mathrm{s}$ later by spin-echo techniques, reaches $0.3%$ absorbed spins. This efficiency is quantitatively accounted for simulations. figure merit sufficient envision first implementations quantum qubits.
Ancilla systems are often indispensable to universal control of a nearly isolated quantum system. However, ancilla typically more vulnerable environmental noise, which limits the performance such ancilla-assisted control. To address this challenge ancilla-induced decoherence, we propose general framework that integrates and error correction, so can achieve robust gates resilient noise. We introduce path independence criterion for fault-tolerant against errors. As an example, path-independent...
<title>Abstract</title> Metastability is a ubiquitous phenomenon in non-equilibrium physics and classical stochastic dynamics. It arises when the system dynamics settles long-lived states before eventually decaying to true equilibria. Remarkably, it has been predicted that quantum metastability can also occur continuous-time discrete-time open However, direct experimental observation of systems remained elusive. Here, we experimentally observe evolution single nuclear spin diamond, realized...
Central spin decoherence caused by nuclear baths is often a critical issue in various quantum computing schemes, and it has also been used for sensing single-nuclear spins. Recent theoretical studies suggest that central can act as probe of many-body physics baths; however, identification detection correlations spins nanoscale systems are highly challenging. Here, taking phosphorus donor electron 29Si bath our model system, we discover both theoretically experimentally produce identifiable...
By doping high-entropy materials into PDMS as an intermediate layer, HP-DEG achieve high voltage output performance and excellent applications.
The CO2 corrosion behaviour of X65 carbon steel under water-in-oil droplet and oil-in-water was systematically investigated by a combination scanning electron microscopy, Raman spectroscopy, NPFLex3D COMSOL simulation. Under the droplet, formation crystalline FeCO3 can be contributed to high concentration Fe2+ CO32-, short diffusion path near edge promoted precipitation. islands caused invasion water found, indicating that small droplets emphasised development localized underneath oil droplet.
Metastability in open system dynamics describes the phenomena of initial relaxation to long-lived metastable states before decaying asymptotic stable states. It has been found continuous-time stochastic both classical and quantum systems. However, many cases are intrinsically discrete, evolution within each discrete time interval is described by an arbitrary channel, which often cannot be generated master equations. Here we develop a general theory metastability discrete-time dynamics,...
The droplet electricity generator (DEG) is a solid-liquid triboelectric nanogenerator with transistor-inspired bulk effect, which regarded as an effective strategy for raindrop energy harvesting. However, further enhancement of DEG output voltage necessary to enable its widespread applications. Here, high-entropy ceramics are integrated into the design intermediate layer first time, achieving high 525 V. High-entropy have colossal dielectric constant, can help reduce charge decay DEG....
We study the effect of in-plane electric field on magnetic properties charge-neutral triangular zigzag graphene quantum dot (GQD) by using mean-field Hubbard Hamiltonian. Our calculated results show that spin depolarization begins to occur when is beyond some critical value. The spin-density distribution more concentrated in region GQDs with smaller electrostatic potential. This phenomenon attributed competition between many-body electron-electron interaction and external Numerical also...
A fundamental question for understanding the decoherence of quantum spin qubits interacting with a bath spins in environment is nature noise affecting qubit - can it be modeled as classical or are effects important? Here authors experimentally demonstrate that favorable case bismuth electron donors silicon near values magnetic field known clock transitions, nuclear approximated Gaussian noise. This finding expected to influence efforts optimize control based computation.