Outputs (9)

Eigenstate statistics and optical properties of one-dimensional disordered photonic crystals (2005)
Journal Article
Kaliteevski, M., Nikolaev, V., & Abram, R. (2005). Eigenstate statistics and optical properties of one-dimensional disordered photonic crystals. Physics of the Solid State, 47(10), 1948-1957. https://doi.org/10.1134/1.2087751

Optical eigenstates in one-dimensional disordered photonic crystals were studied. The threshold disorder level was established below which the probability of appearance of an eigenstate at the photonic bandgap center is negligible. The threshold is r... Read More about Eigenstate statistics and optical properties of one-dimensional disordered photonic crystals.

Self-consistent 2-D Monte Carlo simulations of InSb APD (2005)
Journal Article
Herbert, D., Childs, P., Abram, R., Crow, G., & Walmsley, M. (2005). Self-consistent 2-D Monte Carlo simulations of InSb APD. IEEE Transactions on Electron Devices, 52(10), 2175-2181. https://doi.org/10.1109/ted.2005.856802

Self-consistent Monte Carlo simulations are used to study the low noise and high gain potential of InSb avalanche photodiodes. It is found that for an electron-initiated avalanche, excess noise factors well below the minimum McIntyre value persist up... Read More about Self-consistent 2-D Monte Carlo simulations of InSb APD.

First-principles calculations of 2x2 reconstructions of GaN(0001) surfaces involving N, Al, Ga, In, and as atoms (2005)
Journal Article
Timon, V., Brand, S., Clark, S., Gibson, M., & Abram, R. (2005). First-principles calculations of 2x2 reconstructions of GaN(0001) surfaces involving N, Al, Ga, In, and as atoms. Physical review B, 72(3), https://doi.org/10.1103/physrevb.72.035327

The ab initio studies presented here employed a pseudopotential-plane-wave method in order to obtain the minimum-energy configurations of various 22 GaN0001 surfaces involving N, Al, Ga, In, and As atoms. Comparison of the various possible reconstruc... Read More about First-principles calculations of 2x2 reconstructions of GaN(0001) surfaces involving N, Al, Ga, In, and as atoms.

Disorder induced modification of reflection and transmission spectra of a two-dimensional photonic crystal with an incomplete band-gap (2005)
Journal Article
Beggs, D., Kaliteevski, M., Brand, S., Abram, R., Cassagne, D., & Albert, J. (2005). Disorder induced modification of reflection and transmission spectra of a two-dimensional photonic crystal with an incomplete band-gap. Journal of Physics: Condensed Matter, 17(26), 4049-4055. https://doi.org/10.1088/0953-8984/17/26/005

Transmission and reflection of light in disordered two-dimensional photonic crystals with an incomplete photonic band-gap have been modelled for various levels of disorder. It is found that ballistic and scattered light display different behaviours a... Read More about Disorder induced modification of reflection and transmission spectra of a two-dimensional photonic crystal with an incomplete band-gap.

Ab initio dynamics study of poly-para-phenylene vinylene (2005)
Journal Article
Zheng, G., Clark, S., Tulip, P., Brand, S., & Abram, R. (2005). Ab initio dynamics study of poly-para-phenylene vinylene. The Journal of Chemical Physics, 123(2), Article 024904. https://doi.org/10.1063/1.1955516

We present an ab initio dynamics investigation within a density-functional perturbation theory framework of the properties of the conjugated polymer poly-para-phenylene vinylene (PPV) in both the isolated chain and crystalline states. The calculated... Read More about Ab initio dynamics study of poly-para-phenylene vinylene.

Monte Carlo simulations of high-speed InSb-InAlSb FETs (2005)
Journal Article
Herbert, D., Childs, P., Abram, R., Crow, G., & Walmsley, M. (2005). Monte Carlo simulations of high-speed InSb-InAlSb FETs. IEEE Transactions on Electron Devices, 52(6), 1072-1078. https://doi.org/10.1109/ted.2005.848115

Self consistent Monte Carlo simulations which include impact ionization are used to study the high-speed potential of InSb field-effect transistors. It is found that the impact ionization has a strong influence on the performance of InSb for high spe... Read More about Monte Carlo simulations of high-speed InSb-InAlSb FETs.

Disorder-induced modification of the transmission of light through two-dimensional photonic crystals (2005)
Journal Article
Beggs, D., Kaliteevski, M., Abram, R., Cassagne, D., & Albert, J. (2005). Disorder-induced modification of the transmission of light through two-dimensional photonic crystals. Journal of Physics: Condensed Matter, 17(12), 1781-1790. https://doi.org/10.1088/0953-8984/17/12/002

Disordered two-dimensional photonic crystals with a complete photonic band-gap have been investigated. Transmission and reflection spectra have been modelled for both ballistic and scattered light. The density of states and electromagnetic field prof... Read More about Disorder-induced modification of the transmission of light through two-dimensional photonic crystals.

Waveguide polaritons: interaction of a quantum well exciton with an electromagnetic mode of a planar waveguide (2005)
Journal Article
Beggs, D., Kaliteevski, M., Brand, S., Abram, R., & Kavokin, A. (2005). Waveguide polaritons: interaction of a quantum well exciton with an electromagnetic mode of a planar waveguide. Physica status solidi. C, Current topics in solid state physics (Internet), 2(2), 787-790. https://doi.org/10.1002/pssc.200460347

A transfer matrix method has been used to calculate the dispersion relations of planar dielectric waveguides containing quantum well excitons. It is found that waveguide polaritons are formed, whose dispersion displays the classic anti-crossing behav... Read More about Waveguide polaritons: interaction of a quantum well exciton with an electromagnetic mode of a planar waveguide.

Theoretical adlayer surface morphology of wurtzite 2 × 2 reconstructions of the GaN (0001) surface (2005)
Journal Article
Timon, V., Brand, S., Clark, S., & Abram, R. (2005). Theoretical adlayer surface morphology of wurtzite 2 × 2 reconstructions of the GaN (0001) surface. Journal of Physics: Condensed Matter, 17(1), 17-26. https://doi.org/10.1088/0953-8984/17/1/002

In the first-principles calculations presented here we employ a density functional formalism using a pseudopotential plane-wave basis set in order to obtain the minimum energy configurations of various GaN(0001) 2 × 2 surfaces involving N atoms. The... Read More about Theoretical adlayer surface morphology of wurtzite 2 × 2 reconstructions of the GaN (0001) surface.