Publications

  1. F. Qian, Y. Li, S. Gradecak, H. G. Park, Y. Dong, Y. Ding, Z. L. Wang, and C. M. Lieber, "Multi-quantum-well Nanowire Heterostructures for Wavelength-controlled Lasers," Nature Materials, published online: August 17, 2008.
  2. S. K. Lim, M. J. Tambe, M. M. Brewster, and S. Gradecak, "Controlled Growth of Ternary Alloy Nanowires Using Metalorganic Chemical Vapor Deposition," Nano. Lett.8, 1386-1392 (2008).
  3. Y. Li, J. Xiang, F. Qian, S. Gradecak, Y. Wu, H. Yan, D. A. Blom, and C. M. Lieber, "Dopant-Free GaN/AlN/AlGaN Radial Nanowire Heterostructures as High Electron Mobility Transistors", Nano. Lett. 6, 1468-1473 (2006).
  4. S. Gradecak, F. Qian, Y. Li, H. G. Park, and C. M. Lieber, "GaN nanowire lasers with low lasing thresholds", Appl. Phys. Lett. 87, 173111 (2005).
  5. F. Qian*, S. Gradecak *, Y. Li*, C. Y. Wen, C. M. Lieber, "Core/multishell nanowire heterostructures as multicolor, high-efficiency light-emitting diodes" Nano. Lett. 5, 2287-2291 (2005)
  6. P. V. Radovanovic, C. J. Barrelet, S. Gradecak, F. Qian, and C. M. Lieber, "General synthesis of manganese-doped II-VI and III-V semiconductor nanowires", Nano Lett., 5, 1407-1411 (2005).
  7. B. Lukic, J. W. Seo, E. Couteau, K. Lee, S. Gradecak, R. Berkecz, K. Hernadi, S. Delpeux, T. Cacciaguerra, F. Béguin, A. Fonseca, J. B. Nagy, G. Csányi, A. Kis, A. J. Kulik, and L. Forró, "Elastic modulus of multi-walled carbon nanotubes produced by catalytic chemical vapour deposition", Appl. Phys. A 80, 695-700 (2005).
  8. J. Dorsaz, J. F. Carlin, S. Gradecak, and M. Ilegems, "Progress in AlInN-GaN Bragg reflectors: Application to a microcavity light emitting diode", J. Appl. Phys. 97, 084505 (2005).
  9. S. Gradecak, P. Stadelmann, V. Wagner, and M. Ilegems, "Bending of dislocations in GaN during epitaxial lateral overgrowth", Appl. Phys. Lett. 85, 4648-4650 (2004).
  10. F. Qian*, Y. Li*, S. Gradecak*, D. L. Wang, C. J. Barrelet, and C. M. Lieber, "Gallium nitride-based nanowire radial heterostructures for nanophotonics", Nano Lett. 4, 1975-1979 (2004).
  11. D. C. Bell, Y. Wu, C. J. Barrelet, S. Gradecak, J. Xiang, B. P. Timko, and C. M. Lieber, "Imaging and analysis of nanowires", Microsc. Res. Tech. 64, 373-389 (2004).
  12. J. Napierala, D. Martin, H. J. Buhlmann, S. Gradecak, and M. Ilegems, "GaN laterally overgrown on sapphire by low pressure hydride vapor phase epitaxy", Mat. Sci. Forum, Part 2 457-460, 1581-1584 (2004).
  13. J. Dorsaz, J. F. Carlin, C. M. Zellweger, S. Gradecak, and M. Ilegems, "InGaN/GaN resonant-cavity LED including an AlInN/GaN Bragg mirror", phys. status solidi (a) 201, 2675-2678 (2004).
  14. S. Gradecak, M. Albrecht, H. P. Strunk, D. Martin, J. Napierala, M. Ilegems, P. Stadelmann, "Microstructure and optical properties of ELO-GaN layers grown by hydride vapor phase epitaxy", Institute of Physics Conference Series 180, 321-324 (2003).
  15. S. Gradecak, V. Wagner, M. Ilegems, T. Riemann, J. Christen, and P. Stadelmann, "Microscopic evidence of point defect incorporation in laterally overgrown GaN", Appl. Phys. Lett. 80, 2866-2868 (2002).
  16. J. C. Lasjaunias, M. Saint-Paul, A. Bilsic, A. Smontara, S. Gradecak, A. M. Tonejc, A. Tonejc, and N. Kitamura, "Acoustic and thermal transport properties of hard carbon formed from C60 fullerene", Phys. Rev. B 66, 014302 (2002).
  17. V. Wagner, O. Parillaud, H. J. Buhlmann, M. Ilegems, S. Gradecak, and P. Stadelmann, "Influence of the carrier gas composition on morphology, dislocations and microscopic luminescence properties of selectively grown GaN by HVPE", J. Appl. Phys. 92, 1307-1316 (2002).
  18. A. Smontara, A. M. Tonejc, S. Gradecak, A. Tonejc, A. Bilusic, and J. C. Lasjaunias, "Structural (XRD and HRTEM) investigations of fullerite C60 and C70 samples", Mat. Sci. Eng. C 19, 21-25 (2002).
  19. G. Zgrablic, D. Vinkovic, S. Gradecak, D. Kovacic, N. Biliskov, N. Grbac, Z. Andreic, and S. Garaj, "Instrumental recording of electrophonic sounds from Leonid fireballs", J. Geoph. Res. 107, 1124 (2002).
  20. A. Smontara, A. Bilusic, J. C. Lasjaunias, M. Saint-Paul, S. Gradecak, A. Mejski-Tonejc, A. Tonejc, N. Kitamura, and S. Bennington, "Thermal and elastic properties of hard carbon", Strojarstvo 44, 195-200 (2002).
  21. S. Gradecak, V. Wagner, M. Ilegems, F. Bobard, P. Stadelmann, “Microstructure of ELO-GaN Layers Grown by Hydride Vapour Phase Epitaxy”, Res. Soc. Symp. Proc. 693, I3.23 (2001), edited by J.E. Northrup, J. Neugebauer, S.F. Chichibu, D.C. Look and H. Riechert
  22. A. Bilusic, S. Gradecak, A. Tonejc, A. T. Tonejc, J. C. Lasajunias, and A. Smontara, "Transport properties of fullerite samples", Synthetic Metals 121, 1121-1122 (2001).