Interplanar stiffness in defect-free monocrystalline graphite

@article{Kusakabe2020InterplanarSI,
  title={Interplanar stiffness in defect-free monocrystalline graphite},
  author={Koichi Kusakabe and Atsuki Wake and Akira Nagakubo and Kensuke Murashima and Mutsuaki Murakami and Kanta Adachi and Hirotsugu Ogi},
  journal={Physical Review Materials},
  year={2020}
}
The interplanar bond strength in graphite has been identified to be very low owing to the contribution of the van der Waals interaction. However, in this study, we use microscopic picosecond ultrasound to demonstrate that the elastic constant, $C_{33}$, along the $c$ axis of defect-free monocrystalline graphite exceeds 45 GPa, which is higher than reported values by 20\%. Existing theories fail to reproduce this strongly correlated interplanar system, and our results, thus, indicate the… 
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References

SHOWING 1-10 OF 51 REFERENCES

Elasticity of single-crystalline graphite: Inelastic x-ray scattering study

The five independent elastic moduli of single-crystalline graphite are determined using inelastic x-ray scattering. At room temperature the elastic moduli are, in units of GPa, C{sub 11}=1109, C{sub

Lattice Dynamics of Pyrolytic Graphite

The frequencies of certain normal modes of vibration of the graphite lattice have been studied on samples of high-quality pyrolytic graphite by coherent, inelastic-neutron-scattering techniques. Some

Cohesive properties and asymptotics of the dispersion interaction in graphite by the random phase approximation.

The structural properties of graphite, such as the interlayer equilibrium distance, the elastic constant, and the net layer binding energy, are obtained using the adiabatic-connection

Measurement of the cleavage energy of graphite

The first direct, accurate experimental measurement of the CE of graphite is reported using a novel method based on the self-retraction phenomenon in graphite, which is nearly invariant with respect to temperature, and insensitive to impurities from the atmosphere.

Elastic Constants of Compression-Annealed Pyrolytic Graphite

The elastic constants of pyrolytic graphite which has been highly ordered by annealing under compressive stress have been determined by ultrasonic, sonic resonance, and static test methods.

Mechanical behavior of nanocrystalline Cu and Pd

This report gives results of a study of the bulk mechanical properties of samples of nanocrystalline Cu and Pd consolidated from powders prepared by inert gas condensation. Fourier analysis x-ray

Ab initio Derivation of Low-Energy Model for κ-ET Type Organic Conductors

We derive effective Hubbard-type Hamiltonians of κ-(BEDT-TTF) 2 X , using an ab initio downfolding technique, for the first time for organic conductors. They contain dispersions of the highest
...