Mostrando 321 - 340 Resultados de 4,307 Para Buscar '"Vacancy"', tiempo de consulta: 0.34s Limitar resultados
  1. 321
    “…With higher oxygen flow ratio, the oxygen vacancies were filled up, reducing the carrier concentration. …”
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  4. 324
    “…Here we report a counterintuitive strategy to stabilize supersaturated solid solution in nanograined Al-Cu alloys via high-density vacancies in combination with Sc microalloying. By generating a two orders of magnitude higher concentration of vacancies bonded in strong (Cu, Sc, vacancy)-rich atomic complexes, a high thermal stability is achieved in an Al-Cu-Sc alloy that precipitation is nearly suppressed up to ~230 °C. …”
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  5. 325
    por Zhou, Xinran, He, Sicong, Marian, Jaime
    Publicado 2022
    “…In this work, we study vacancy energetics in the equiatomic Nb-Mo-Ta-W alloy, especially vacancy formation and migration energies, using molecular statics calculations based on a spectral neighbor analysis potential specifically developed for Nb-Mo-Ta-W. …”
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  6. 326
    “…Positrons are capable of detecting vacancies, and small and large clusters of vacancies induced by irradiation, by providing information about their size, concentration, and chemical environment. …”
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  7. 327
    “…Hence, vacancies delay charge transport by increasing the activation barrier, attributed to a rearrangement of vacancy-released charge on the cations immediately neighboring the vacancy site. …”
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  8. 328
    “…Benefiting from these, FeOCl nanosheets with Fe–Cl vacancy clusters exhibit enhanced cyclic carbonate generation from CO(2) cycloaddition with epoxides.…”
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  12. 332
    “…[Image: see text] Magnetic imaging with nitrogen-vacancy (NV) spins in diamond is becoming an established tool for studying nanoscale physics in condensed matter systems. …”
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  13. 333
  14. 334
    “…A sonoelectrochemical method for preparing N-doped defective graphene nanosheets (N/O-dGNs) with point defects and 5-9 or 5-8-5 vacancies and oxygen-containing groups was successfully demonstrated. …”
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  15. 335
    por Liu, Junbo, Tao, Shengyang
    Publicado 2023
    “…The chemical valence of Ni is between 0 and 2, indicating the generation of oxygen vacancies. Density functional theory (DFT) suggests that Mo can increase the defect energy and form more oxygen vacancies. …”
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  16. 336
    por Qiu, Shaohui, Fu, Huaxiang
    Publicado 2023
    “…Extended defects of vacancies in ferroelectrics (FE), where vacancies spread over an extended space, are of critical importance in terms of understanding the long-standing problems such as polarization fatigue and aging. …”
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  17. 337
    “…This work demonstrates a self-consistent physics-based model which incorporates the often-overlooked effects of lattice temperature, vacancy dynamics, and channel electrostatics to accurately solve the interaction between gate potential, ions, and carriers on the memristive switching mechanism. …”
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  19. 339
    por Deng, Bei, Zhang, R. Q., Shi, X. Q.
    Publicado 2014
    “…The negatively charged nitrogen-vacancy (N-V(−)) color center in diamond is an important solid-state single photon source for applications to quantum communication and distributed quantum computation. …”
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  20. 340
    por Ji, Yanjun, Du, Yujie, Wang, Meishan
    Publicado 2014
    “…The covalent bonds gain strength for Ga vacancy defect, whereas they grow weak for N vacancy defect. …”
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