Publications

Journal Publications

17. P. Yaghoobi, M. Vahdani Moghaddam, and A. Nojeh, Wavelength-insensitive, polarization-dependent light-induced thermionic electron emission from carbon nanotube arrays, Applied Physics Letters, Under Review.

16. M. Vahdani Moghaddam, P. Yaghoobi, G. A. Sawatzky, and A. Nojeh, Non-linear photoemission from carbon nanotube arrays, Physical Review Letters, Under Review.

15. P. Yaghoobi, M. Vahdani Moghaddam, and A. Nojeh, Solar electron source and thermionic solar cell, AIP Advances, Accepted.

14. A. Kashefian Naieni, P. Yaghoobi, and A. Nojeh, (2012) First-principles study of field-emission from carbon nanotubes in the presence of methane, Journal of Vacuum Science and Technology B, Vol. 30, p. 021803-1 - 021803-7.

13. M. Chang, P. Yaghoobi, W. Khalid, and A. Nojeh, (2012) Effect of parameters involved in the synthesis of vertically aligned multi-walled nanotube forests by thermal chemical vapor deposition, Carbon Nanotubes: Synthesis, Properties and Applications, NOVA Publishers.

12. P. Yaghoobi, M. Vahdani Moghaddam, and A. Nojeh, (2011) “Heat trap”: Light-induced localized heating and thermionic electron emission from carbon nanotube arrays, Solid State Communications, Vol. 151, p. 1105 - 1108.

11. A. Kashefian Naieni, P. Yaghoobi, D. J. Woodsworth, and A. Nojeh, (2011) Structural deformations and current oscillations in armchair-carbon nanotube cross devices: a theoretical study, Journal of Physics D: Applied Physics, Vol. 44, p. 085402-1 - 085402-7.

10. P. Yaghoobi, M. Vahdani Moghaddam, M. Michan, and A. Nojeh, (2011) Visible-light induced electron emission from carbon nanotube forests, Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures, Vol. 29, p. 02B104-1 - 02B104-4.

9. M. K. Alam, P. Yaghoobi, M. Chang, and A. Nojeh, (2010) Secondary electron yield of multi-walled carbon nanotubes, Applied Physics Letters, Vol. 97, p. 261902-1 - 261902-3.

8. M. K. Alam, P. Yaghoobi, and A. Nojeh, (2010) Monte Carlo modeling of electron backscattering from carbon nanotube forests, Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures, Vol. 28, p. C6J13 - C6J18.

7. P. Yaghoobi, M. Michan, and A. Nojeh, (2010) Middle-ultraviolet laser photoelectron emission from vertically aligned millimeter-long multiwalled carbon nanotubes, Applied Physics Letters, Vol. 97, p. 153119-1 - 153119-3.

6. W. Khalid, M. S. Mohamed Ali, M. Dahmardeh, Y. Choi, P. Yaghoobi, A. Nojeh, and K. Takahata, (2010) High-aspect-ratio, free-form patterning of carbon nanotube forests using micro-electro-discharge machining, Diamond and Related Materials, Vol. 19, p. 1405-1410.

5. M. Michan, P. Yaghoobi, B. Wong, and A. Nojeh, (2010) High electron gain from single-walled carbon nanotubes stimulated by interaction with an electron beam. Physical Review B, Vol. 81, p. 195438-1 - 195438-8.

4. Md. K. Alam, P. Yaghoobi, and A. Nojeh, (2009) Unusual secondary electron emission behavior in carbon nanotube forests. Scanning, Vol. 31, p. 221 - 228.

3. P. Yaghoobi, Md. K. Alam, K. Walus, and A. Nojeh, (2009) High subthreshold field-emission current due to hydrogen adsorption in single-walled carbon nanotubes: A first-principles study. Applied Physics Letters, Vol. 95, p. 262102-1 - 262102-3.

2. P. Yaghoobi, K. Walus, and A. Nojeh, (2009) First-principles study of quantum tunneling from nanostructures: Current in a single-walled carbon nanotube electron source. Physical Review B, Vol. 80, p. 115422 - 115428.

1. P. Yaghoobi, and A. Nojeh, (2007) Electron emission from carbon nanotubes. Modern Physics Letters B, Vol. 21, p. 1807 - 1830.

Invited and Conference Talks

8. P. Yaghoobi, M. Vahdani Moghaddam, and A. Nojeh, (May 29 - June 1 2012) Solar Electron Source and Thermionic Solar Cell, in the special session of Nanostructured Solar Cells at the Fifty Sixth International Conference on Electron, Ion, and Photon Beam Technology and Nanofabrication; Waikoloa, Hawaii, USA.

7. P. Yaghoobi, M. Vahdani Moghaddam, and A. Nojeh, (July 18 - July 22 2011) Increasing the Current Density of Light-Induced Thermionic Electron Emission from Carbon Nanotube Arrays, Twenty Fourth International Vaccum Nanoelectronics Conference (IVNC 2011); Wuppertal, Germany.

6. P. Yaghoobi, M. Vahdani Moghaddam, and A. Nojeh, (July 18 - July 22 2011) Trapping Heat in a Conductor: Unusual Light-Induced-Heat Localization in Carbon Nanotube Forests, International Conference on the Science and Application of Nanotubes 2011; Cambridge, United Kingdom.

5. P. Yaghoobi, M. Vahdani Moghaddam, and A. Nojeh, (May 31 - June 3 2011) Broadband Light-Induced Thermionic Electron Emission from Arrays of Carbon Nanotubes using Laser Pointers, Fifty Fifth International Conference on Electron, Ion, and Photon Beam Technology and Nanofabrication; Las Vegas, Nevada, USA.

4. P. Yaghoobi, M. Vahdani Moghaddam, and A. Nojeh, (July 26-30 2010) Visible light induced electron emission from carbon nanotube forests, Twenty Third International Vacuum Nanoelectronics Conference (IVNC 2010); Palo Alto CA, USA.

3. A. Kashefian Naieni, P. Yaghoobi, and A. Nojeh, (June 27 - July 2 2010) Mechanical, electronic and transport properties of carbon nanotubes in a cross structure, Eleventh International Conference on the Science and Application of Nanotubes (NT10) / Satellite Workshop on Computational Challenges and Tools for Nanotubes (CCTN10); Montreal QC, Canada.

2. P. Yaghoobi, Md. A. Kawsar, and K. Walus, (June 20 2009) First-principles calculation of the effect of adsorbates on field-emission current from single-walled carbon nanotubes. Fifth International Symposium on Computational Challenges and Tools for Nanotubes; Beijing, China.

1. P. Yaghoobi, (2009) First Principles Study of Single-Walled Carbon Nanotube: Electron Stimulated Emission and Quantum Tunneling. Ritsumeiken-UBC Joint Symposium; Kusatsu, Japan.

Refereed Conference Posters and Papers

6. M. Vahdani Moghaddam, P. Yaghoobi, and A. Nojeh, (May 29 - June 1 2012) Two-photon Photoemission from Carbon Nanotube Arrays under Low-power Ultraviolet Illumination. Poster presented at: Fifty Sixth International Conference on Electron, Ion, and Photon Beam Technology and Nanofabrication; Waikoloa, Hawaii, USA.

5. M. Vahdani Moghaddam, P. Yaghoobi, and A. Nojeh, (May 31 - June 3 2011) Polarization-Sensitive Visible-Light-Induced Thermionic Electron Emission from Carbon Nanotube Forests. Abstract ACCEPTED to: Fifty Fifth International Conference on Electron, Ion, and Photon Beam Technology and Nanofabrication; Las Vegas, Nevada, USA.

4. M. Dahmardeh, W. Khalid, M.S. Mohamed Ali, Y. Choi, P. Yaghoobi, A. Nojeh, and K. Takahata, (January 23 - 27 2011) High-Aspect-Ratio, 3-D Micromachining of Carbon-Nanotube Forests by Micro-Electro-Discharge Machining in Air. Paper presented at: Twenty fourth IEEE Int’l Conf. Micro Electro Mechanical Systems (MEMS 2011), Cancun, Mexico.

3. P. Yaghoobi, W. Khalid, and A. Nojeh, (June 21-26 2009) Laser-Assisted Electron Emission from Forests of Multi-walled Carbon Nanotubes. Poster presented at: Tenth International Conference on the Science and Application of Nanotubes; Beijing, China.

2. P. Yaghoobi, Md. A. Kawsar, and K. Walus, (June 21-26 2009) First-principles calculation of the effect of adsorbates on field-emission current from single-walled carbon nanotubes. Poster presented at: Tenth International Conference on the Science and Application of Nanotubes; Beijing, China.

1. P. Yaghoobi, A. Nojeh, and K. Walus, (March 4 & 5 2008) NEGF modeling of Electron-Stimulated Field-Emission from Single-Walled Carbon Nanotubes. Poster presented at: Cascadia Nanotech Symposium 2008. British Columbia Nanotechnology Alliance; Vancouver BC, Canada.

Patents

2. P. Yaghoobi, M. Vahdani Moghaddam, and A. Nojeh, (2012) Thermionic Generation of Free Electrons. Filed May, 2012. (Patent Application No. 61/650,932).

1. F. Leung, P. Yaghoobi, L. Zimermman, R. Dunlop, G. Ringham, (2008) Peer-To-Peer Currencty Exchange and Associated Systems and Methods. Issued February, 2012. (US Patent No. US8121923).