Publications

Found 92 results
Type [ Year(Desc)]
2004
AD Stiff-Roberts, XH Su, S Chakrabarti, and P Bhattacharya. "Contribution of Field-Assisted Tunneling Emission to Dark Current in InAs-GaAs Quantum Dot Infrared Photodetectors." Ieee Photonics Technology Letters 16, no. 3 (2004): 867-869.
S Chakrabarti, AD Stiff-Roberts, P Bhattacharya, and SW Kennerly. "Heterostructures for achieving large responsivity in InAs/GaAs quantum dot infrared photodetectors." Journal of Vacuum Science & Technology. B, Microelectronics and Nanometer Structures : Processing, Measurement, and Phenomena : an Official Journal of the American Vacuum Society 22, no. 3 (2004): 1499-1502.
S Chakrabarti, AD Stiff-Roberts, P Bhattacharya, and SW Kennerly. "High responsivity AIAs/InAs/GaAs superlattice quantum dot infrared photodetector." Electronics Letters 40, no. 3 (2004): 197-198.
S Chakrabarti, AD Stiff-Roberts, P Bhattacharya, S Gunapala, S Bandara, SB Rafol, and SW Kennerly. "High-temperature operation of InAs-GaAs quantum-dot infrared photodetectors with large responsivity and detectivity." Ieee Photonics Technology Letters 16, no. 5 (2004): 1361-1363.
XH Su, S Chakrabarti, AD Stiff-Roberts, J Singh, and P Bhattacharya. "Quantum dot infrared photodetector design based on double-barrier resonant tunnelling." Electronics Letters 40, no. 17 (2004): 1082-1083.
P Bhattacharya, S Ghosh, and AD Stiff-Roberts. "Quantum dot opto-electronic devices." Annual Review of Materials Research 34 (2004): 1-40.
XH Su, AD Stiff-Roberts, S Chakrabarti, J Singh, and P Bhattacharya. "Resonant tunneling quantum dot infrared photodetector (RT-QDIP): Separating dark current and photocurrent." Device Research Conference Conference Digest, Drc (2004): 81-82.
2005
S Chakrabarti, AD Stiff-Roberts, XH Su, P Bhattacharya, G Ariyawansa, and AGU Perera. "High-performance mid-infrared quantum dot infrared photodetectors." Journal of Physics D: Applied Physics 38, no. 13 (2005): 2135-2141.
AD Stiff-Roberts, S Chakrabarti, SU Xiaohua, and P Bhattacharya. "Research propels quantum dots forward." Laser Focus World 41, no. 5 (2005): 103-108.
ZK Wu, H Choi, TB Norris, A Stiff-Roberts, and P Bhattacharya. "Ultrafast electronic dynamics in unipolar n-doped InAs/GaAs quantum dot structures." Optics Infobase Conference Papers (2005): 551-553.
2006
AD Stiff-Roberts, Z Zhao, and C Yi. "Control of dopant incorporation in InAs/GaAs quantum dots for infrared photodetection with low dark current." Conference on Lasers and Electro Optics and 2006 Quantum Electronics and Laser Science Conference, Cleo/Qels 2006 (2006): - .
P Bhattacharya, AD Stiff-Roberts, and S Chakrabarti. "Mid-infrared quantum dot photodetectors." Springer Series in Optical Sciences 118 (2006): 487-513.
AD Stiff-Roberts, A Gupta, and Z Zhao. "Optical characterization of CdSe colloidal quantum dot/ MEH-PPV polymer nanocomposites spin-cast on GaAs substrates." Materials Research Society Symposium Proceedings 939 (2006): 8-13.
EB Stokes, AD Stiff-Roberts, and CT Dameron. "Quantum dots in semiconductor optoelectronic devices." Electrochemical Society Interface 15, no. 4 (2006): 23-27.
2007
H Yang, L Chen, Z Qiang, W Zhou, W Zhang, A Stiff-Roberts, S Krishna, and GJ Brown. "Characteristics of photonic crystal cavity based infrared photodetectors." Conference Proceedings Lasers and Electro Optics Society Annual Meeting Leos (2007): 36-37.
ZY Zhao, WM Zhang, C Yi, AD Stiff-Roberts, BJ Rodriguez, and AP Baddorf. "Doping characterization of InAs/GaAs quantum dot heterostructure by cross-sectional scanning capacitance microscopy." Conference Proceedings Lasers and Electro Optics Society Annual Meeting Leos (2007): 32-33.
Z Zhao, KR Lantz, C Yi, and AD Stiff-Roberts. "Doping effect on carrier occupation and transport in InAs/GaAs quantum dot infrared photodetectors: A capacitance-voltage spectroscopy study." Optics Infobase Conference Papers (2007): - .
ZY Zhao, C Yi, AD Stiff-Roberts, AJ Hoffman, D Wasserman, and C Gmachl. "DX -like centers in InAsGaAs QDIPs observed by polarization-dependent Fourier transform infrared spectroscopy." Journal of Vacuum Science & Technology. B, Microelectronics and Nanometer Structures : Processing, Measurement, and Phenomena : an Official Journal of the American Vacuum Society 25, no. 3 (2007): 1108-1112.
ZY Zhao, C Yi, KR Lantz, and AD Stiff-Roberts. "Effect of donor-complex-defect-induced dipole field on InAs/GaAs quantum dot infrared photodetector activation energy." Applied Physics Letters 90, no. 23 (2007): 233511.
KR Lantz, and AD Stiff-Roberts. "Fourier transform infrared absorbance and photoluminescence spectroscopy studies of CdSe colloidal quantum dot/conducting polymer nanocomposites for application to infrared photodetectors." Materials Research Society Symposium Proceedings 1015 (2007): 113-118.
AD Stiff-Roberts. "Hybrid nanomaterials for multi-spectral infrared photodetection." International Journal of High Speed Electronics and Systems 17, no. 1 (2007): 165-172.
ZY Zhao, C Yi, AD Stiff-Roberts, AJ Hoffman, D Wasserman, and C Gmachl. "Probing dopant incorporation in InAs/GaAs QDIPs by polarization-dependent Fourier transform infrared spectroscopy." Infrared Physics & Technology 51, no. 2 (2007): 131-135.
AD Stiff-Roberts, W Zhang, J Xu, H Peng, and HO Everitt. "Spin-cast deposition of CdSe-CdS core-shell colloidal quantum dots on doped GaAs substrates: Structural and optical characterization." Ieee Transactions on Nanotechnology 6, no. 4 (2007): 413-419.
2008
KR Lantz, R Pate, and AD Stiff-Roberts. "Device characterization of CdSe/poly[2-methoxy-5-(2′-ethylhexyloxy)- 1,4-(1-cyanovinylene)phenylene] nanocomposite infrared photodetectors deposited via matrix assisted pulsed laser evaporation on GaAs." Materials Research Society Symposium Proceedings 1114 (2008): 144-149.
ZY Zhao, WM Zhang, C Yi, AD Stiff-Roberts, BJ Rodriguez, and AP Baddorf. "Doping characterization of InAsGaAs quantum dot heterostructure by cross-sectional scanning capacitance microscopy." Applied Physics Letters 92, no. 9 (2008): - .

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