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  1. No Access

    Reference Work Entry In depth

    Modelling of Defects and Failure in 2D Materials: Graphene and Beyond

    Defects in two-dimensional materials can have profound effect on their mechanical properties. In thermodynamic equilibrium, the second law of thermodynamics predicts the inevitable existence of defects. In non...

    V. Sorkin, Q. X. Pei, Y. W. Zhang in Handbook of Materials Modeling (2020)

  2. No Access

    Living Reference Work Entry In depth

    Modelling of Defects and Failure in 2D Materials: Graphene and Beyond

    Defects in two-dimensional materials can have profound effect on their mechanical properties. In thermodynamic equilibrium, the second law of thermodynamics predicts the inevitable existence of defects. In non...

    V. Sorkin, Q. X. Pei, Y. W. Zhang in Handbook of Materials Modeling

  3. No Access

    Article

    Improving cavity lifetime by electromagnetic-induced-transparency-like meta-atoms

    In this paper, lifetime enhancement in a microstrip photonic crystal (PC) cavity by embedding electromagnetic-induced-transparency (EIT)-like meta-atoms is reported. Both microwave experiments and numerical si...

    Y. Q. Chen, Y. H. Li, Y. Y. Hu, Y. Sun, T. H. Feng, H. T. Jiang… in Applied Physics A (2015)

  4. No Access

    Article

    A Kinetic Model for the Strain Relaxation in Heteroepitaxial Thin Film Systems

    A kinetic model is presented to simulate the strain relaxation in the GexSi1−x/Si(100) systems. In the model, the nucleation, propagation and annihilation of threading dislocations, the interaction between thread...

    Y. W. Zhang, T. C. Wang, S. J. Chua in MRS Online Proceedings Library (2011)

  5. No Access

    Article

    Effects of the compliance current on the resistive switching behavior of TiO2 thin films

    Nanocrystalline TiO2 thin films were fabricated on Pt(111)/Ti/SiO2/Si substrates by the thermal oxidation of evaporated Ti films. Effects of the compliance current on the resistive switching behavior of the Pt/Ti...

    X. Cao, X. M. Li, X. D. Gao, Y. W. Zhang, X. J. Liu, Q. Wang… in Applied Physics A (2009)

  6. No Access

    Article

    Extracting elastic properties and prestress of a cell using atomic force microscopy

    An analytical solution was derived for the indentation of a cell using atomic force microscopy. It was found that the contribution of the cell membrane to the overall indentation stiffness is dependent on the ...

    C. Y. Zhang, Y. W. Zhang in Journal of Materials Research (2009)

  7. Article

    Erratum to: “Extracting the elastic and viscoelastic properties of a polymeric film using a sharp indentation relaxation test”

    After publication of this article, it was noted that Ting Tsui’s last name was misspelled on page 2994 and in references 20 and 21. The correct spelling is Tsui.

    C. Y. Zhang, Y. W. Zhang, K. Y. Zeng, L. Shen, Y. Y. Wang in Journal of Materials Research (2007)

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    Chapter and Conference Paper

    Studying Visco-Plasticity of Amorphous Polymers by Indentation Tests

    A constitutive model for thermoplastic polymeric materials and its finite element implementation are presented. A five-step indentation scheme was formulated to extract a complete list of the parameters in the...

    C. Y. Zhang, Y. W. Zhang, K. Y. Zeng… in IUTAM Symposium on Mechanical Behavior and… (2007)

  9. No Access

    Article

    Extracting the elastic and viscoelastic properties of a polymeric film using a sharp indentation relaxation test

    A new approach is proposed to extract the elastic and viscoelastic properties of a polymeric film on a hard substrate using a sharp indentation relaxation test. In the theoretic formulation, a sharp indentatio...

    C. Y. Zhang, Y. W. Zhang, K. Y. Zeng, L. Shen, Y. Y. Wang in Journal of Materials Research (2006)

  10. No Access

    Article

    Nanoindentation of polymers with a sharp indenter

    A five-step indentation scheme is proposed to extract the elastic and viscoelastic properties of polymeric materials using a sharp indenter. In the formulation, analytical solutions to the elastic-viscoelastic...

    C. Y. Zhang, Y. W. Zhang, K. Y. Zeng, L. Shen in Journal of Materials Research (2005)

  11. No Access

    Article

    Extracting the mechanical properties of a viscoelastic polymeric film on a hard elastic substrate

    A semi-analytical approach was developed to study the creepresponse of a viscoelastic polymeric thin film on a hard elastic substrate under flat-ended punch indentation. This approach allows one to separate me...

    C. Y. Zhang, Y. W. Zhang, K. Y. Zeng in Journal of Materials Research (2004)

  12. No Access

    Article

    Leakage current and pyroelectric properties of compositionally graded (Pb,Ca)TiO3 films

    Highly (100)-oriented, compositionally graded (Pb,Ca)TiO3 (PCT) thin films with a Ca content from 0 to 24 mol % on Pt/Ti/SiO2/Si substrates were prepared by a sol-gel process. The graded structure of the Au/PCT/P...

    X.G. Tang, J. Wang, Y.W. Zhang, H.L.W. Chan, A.L. Ding, C.L. Choy in Applied Physics A (2004)

  13. No Access

    Article

    Three Dimensional Finite Element Simulations of Vertical Dot Correlation in Quantum Dot Superlattice

    A three dimensional finite element method is used to simulate the kinetic process of island formation in quantum dot superlattices. Depending on the thickness of spacer layers and interruption time, top layer ...

    Y. W. Zhang in MRS Online Proceedings Library (1999)

  14. No Access

    Article

    Computer Simulations of the Self-Organized 3-D Islanding in Epitaxial Thin Film Systems

    3-D computer simulations were carried out to investigate the effects of surface energy anisotropy and initial surface roughness on the self-organization of 3-D islands in epitaxial thin film systems. Under the...

    Y. W. Zhang in MRS Online Proceedings Library (1999)

  15. No Access

    Article

    Efficient Interfacial Design - A Multidisciplinary View

    One of the most important mechanical features in microelectronic packaging is the nterface. Recent developments in modelling interfacial fracture and the easurement of interfacial toughness relevant to microel...

    C. F. Shih, W. T. Chen, B. Cotterell, S. K. Lahiri… in MRS Online Proceedings Library (1998)