Nevada Nanotechnology Center

Listed below are selected publications by the Nevada Nanotechnology Center research group. Publications available for viewing in pdf format are linked.

Invited Papers

1. B. Das; “High Vacumm Complex Nanosystem Implementation”; Int. Conf. Electronic, Photonic Materials, Devices and Systems”; Kolkata, India, Jan 4-6, 2006 (invited paper).

2. B. Das, “Nonlithographic Nanoscale Devices”, International Conf. on MEMS and semiconductor Nanotechnology, Kharagpur, India December, 2005, (invited paper).

3. B. Das, S.P. McGinnis, D. Gray, A.E. Miller, C. Arvin, P. Takhistov, and M. Crouse, “Template based semiconductor nanostructures for photonic applications”, Fall Meeting of the American Chemical Society, Chicago, IL, August, 2001 (invited paper).

4. B. Das, S.P. McGinnis, and P. Sines, “Template baesd semiconductor nanostructure fabrication and applications”, Eleventh International Workshop on the Physics of Semiconductor Devices, Delhi, India, December, 2001 (invited paper).

5. B. Das, "Novel properties and applications of back-gated GaAs/AlGaAs modulation doped heterostructures", 2nd International symposium on quantum confinement : physics and applications, San Francisco, CA, May 22-27, 1994 (invited paper).

6. S. Bandyopadhyay, S. Chaudhuri, B. Das and M. Cahay, "Features of quantum magnetotransport and electromigration in mesoscopic systems", Sixth International Conference on Superlattices, Microstructures and Microdevices, Xian, China, Aug. (1992) (invited paper).

Refereed Journal Papers

1. B. Das and A. Banerjee; “Implementation of Complex Nanosystems using a Ultra-High Vacuum Nonlithographic Technique”; Applied Physics Letters (in review).

2. B. Das and A. Banerjee; “A Novel Ultra-high Vacuum Nanofabrication System”, Rev. Sci. Inst (in review)

3. R. Krishna, A. Banerjee and B. Das; "Size controlled deposition of Cu and Si nano-clusters by an ultra-high vacuum sputtering gas aggregation technique"; Applied Physics A (in review).

4. B. Das; “A New Undergraduate Course on Sensors and Sensor-Systems”, IEEE Trans. Education (in review).

5. P. Singaraju, R. Venkat, R. Kanakala and B. Das; “Model for Porous Alumina Template Formation : Constant Voltage Anodization”, European Physical Journal, App. Phys 35, pp. 107-111 (2006)

6. P. Singaraju and B. Das; “Novel Nonlithographic Complex Quantum Wire Arrays”, J. Physics E (2006)

7. B. Das and C. Garman; “Capacitance-Voltage Characterization of Thin Film Nanoporous Alumina Templates”, Microelectronics Journal 37, pp. 695-699 (2006).

8. Biswajit Das and Pavan Singaraju; “Novel Quantum Wire Infrared Photodetectors”, Infrared Physics & Technology, Volume 46, pp. 209-218 (2005).

9. Raghunath Kanakala, P.V.Singaraju, Rama Venkat and Biswajit Das; “Modeling of Porous Alumina Template Formation under Constant Current Conditions”, J. Electrochemical Society 152 (1), p. 1 (2005).

10. Biswajit Das; “Investigation of Nanoporous Thin-Film Alumina Templates”, J. Electrochem Society Volume 151, Issue 6, pp. D46-D50 (2004).

11. Biswajit Das; “Observation of Capacitance-Voltage Oscillations in Porous Silicon” Physica E: Low-Dimensional Systems and Nanostructures, Volume 23, pp. 141-146 (2004).

12. B. Das and S. McGinnis, “Formation of porous silicon through the nanosized pores of an anodized alumina template” App Phys Lett 83, pp. 2904-2906 (2003).

13. C. Garman, P. Sines, S. McGinnis and B. Das, “An improved automated anodization apparatus for fabricating nanostructure devices and porous silicon”, Rev. Scientific. Instruments, 72, pp. 1-4, 2001.

14. S.P. McGinnis, B. Das and M. Dobrowolska, “The effect of electric field on the photoluminescence and absorption spectra of porous silicon”, Thin Solid Films, 365, pp. 1-4, (2000).

15. B. Das, S. Bandyopadhyay and M. R. Melloch, "Single particle lifetime in quasi-one-dimensional systems", Journal of Physics : Condensed Matter 12, L35 - L41 (2000).

16. B. Das, S. McGinnis and M. R. Melloch, "Effective channel width of quasi-one-dimensional split-gate devices on carrier density", Microelectronics Journal, 31, pp. 117-121, (2000).

17. B. Das and S. McGinnis, “Novel template based semiconductor nanostructures and their applications”, Applied Physics A, 71, pp. 1-8, (2000).

18. B. Das, S.P. McGinnis and P. Sines, “High efficiency solar cells based on Semiconductor nanostructures”, Solar Energy Materials & Solar Cells, 63, pp. 117-123, (2000).

19. B. Das and S.P. McGinnis, “Porous silicon P_N junction light emitting diodes”, Semiconductor Science and Technology,14, pp. 988-993 (1999).

20. P. Sines and B. Das, “Peltier Haptic Interface (PHI) for Improved Sensation of Touch in Virtual Environments”, Virtual Reality 4, pp. 260-264 (1999).

21. S. McGinnis, P. Sines, and B. Das, “Pulsed Current Anodization: An Effective Method for Fabricating Patterned Porous Silicon p-n Junction Light Emitting Diodes”, Electrochemical and Solid State Letters, 2 (9), (1999).

22. D. C. Diaz, M. Osmanski, H. Guan and B. Das, "An Improved Fabrication Technique for Porous Silicon", Rev. Sci. Instr. 64, pp. 507-509, (1993).

23. B. Das, S. Subramaniam, M. R. Melloch and D. C. Miller, "Single-particle and transport scattering times in a back-gated GaAs/AlGaAs modulation doped heterostructure", Phys. Rev. B 47, pp. 9650-9653, (1993).

24. B. Das, S. Subramaniam and M. R. Melloch, "Effects of Electron-Beam Induced Damage in Back-Gated GaAs/AlGaAs Devices", Semicond. Sci. & Technol. 8, pp. 1347-1351 (1993).

25. S. Subramaniam, S. Bandyopadhyay, B. Das, G. H. Bernstein and P. S. Sekula-Moise, "Anomalous Magnetoresistance Due to Correlation Between Boundary and Defect Scattering in a Two Dimensional Electron Gas", Phys. Rev. B, 45, pp. 3826-3829, (1992).

26. S. Bandyopadhyay, S. Chaudhuri, B. Das and M. Cahay, "Features of Quantum Magneto-transport and Electromigration in Mesoscopic Systems", Superlattices and Microstructures 12, pp. 123-132, (1992).

27. S. Datta and B. Das, "Electronic Analog of the Electro-optic Modulator", Appl. Phys. Lett. 56, pp. 665-667, (1990).

28. B. Das, S. Datta and R. Reifenberger, "Zero Field Spin Splitting in a Two Dimensional Electron Gas", Phys. Rev. B, 41, pp. 8278-8287, (1990).

29. B. Das, D. C. Miller, S. Datta, R. Reifenberger, W. P. Hong, P. K. Bhattacharya, J. Singh and M. Jaffe, "Evidence for Spin Splitting in InxGa1-xAs/In0.52Al0.48As Heterostructures as B0", Phys. Rev. B 39, pp. 1411-1414, (1989).

30. M. R. Melloch, D. C. Miller and B. Das, "Effect of a GaAs Buffer Layer Grown at Low Substrate Temperatures on a High-Electron-Mobility Modulation-Doped Two- Dimensional Electron Gas", Appl. Phys. Lett. 54, pp. 943-945, (1989).

31. W. P. Hong, G. I. Ng, P. K. Bhattacharya, D. Pavlidis, S. Willing and B. Das, "Low - and High -Field Transport Properties of Pseudomorphic InxGa1xAs/In0.52Al0.48As (0.53 ≤ x ≤ 0.65) Modulation-Doped Heterostructures", J. Appl. Phys., 64, pp. 1945-1949, (1988).

Conference Proceedings

1. B. Das; “Nanostructure based sensors for environmental monitoring and control”, Proc. SPIE Symposium on Optics East, Boston, MA, 1-4 October (2006).

2. B. Das and A. Banerjee; “Nonlithographic nanostructure devices and circuits" Proc. SPIE Symposium on Optics East, Boston, MA, 1-4 October (2006).

3. B. Das; “Nanostructured multispectral sensors”, Proc. SPIE Symposium on Optics East, Boston, MA, 1-4 October (2006).

4. B. Das and A. Banerjee; “High Vacuum Nonlithographic Complex Nanosystems”; Proc. Ultimate Lithography & Nanofabrication for Electronic and Life Science; Mareilles, France, 26-30 June (2006)

5. B. Das and A. Banerjee; “Nanostructure based optical sensors”; Proc. 3rd International Congress Nanotechnology, San Francisco, CA; Oct. 30 - Nov. 2 (2006).

6. B. Das; “Carbon Nanotube matrix in alumina for biochemical detection”; “Proc. of the Nano-Bio Europe 2006, Grenoble, France, June 14 (2006).

7. P. Singaraju and B. Das; “Novel Nonlithographic Semiconductor Quantum Wire Infrared Photodetectors”, Proc. International Conf. on MEMS and semiconductor Nanotechnology, Kharagpur, India, December (2005).

8. A. Banerjee and B. Das; “High Vacuum Nonlithographic Technique for the Fabrication of Complex Nanosystems”, Proc. International Conf. on MEMS and semiconductor Nanotechnology, Kharagpur, India, December (2005).

9. S. Mookerjea and B. Das; “Nanoscale magnetic antidot systems for potential application in GMR technology”; Proc. International Conf. on MEMS and semiconductor Nanotechnology, Kharagpur, India, December (2005).

10. B. Das and P. Singaraju; “Nanostructure based Electro-optic Modulators for High Speed Optical Communication”, Proc. 7th Int. Conf. Optoelectronics, Fiber Optics and Photonics, Dec. 9-11, Cochin, India; p. 343 (2004).

11. B. Das and S. Mookerjea; “Nonlithographic Quantum Dot Arrays for Quantum Computing”, Proc. 7th Int. Conf. Optoelectronics, Fiber Optics and Photonics, Dec. 9-11, Cochin, India; p. 418 (2004).

12. B. Das and P. Singaraju; “Template based Nanofabrication: Mechanical Characterization of Film-substrate Interface” 3rd International Conference on Experimental Mechanics, Nov. 29 – Dec. 1, Singapore, 2004.

13. Biswajit Das and Pavan Singaraju; “Nanostructure based Composite Material Coatings on Steel”, Int. Conf. Adv. Composite Mat (ICRACM-2004), 12/17-12/19, Varanasi, 2004.

14. B. Das; “Template based Nanoscale Devices”; International Conference on Nanoscience and Technology, India (2003).

15. B. Das, S.P. McGinnis, and P. Sines, “Nanostructure Arrays for Multijunction Solar Cells”, NCPV 2001 Program Review Meeting, Denver, CO, October, 2001.

16. B. Das, S.P. McGinnis, and P. Sines, “Nanostructure Based Electro-Optic Modulators for High Speed Optical Interconnects”, IEEE 2001 International Conference on Microwave and Optoelectronics, Belem, Brazil, August 2001.

17. A.E. Miller, C. Arvin, P. Takhistov, J. Jiang, S. P. McGinnis, P. Sines, D. Gray, and B. Das, “Template Based Electrochemical Fabrication of Nanostructured Materials and Their Applications”, 2001 Electronic Materials Conference, South Bend, IN, June 2001.

18. B. Das, S.P. McGinnis, P. Sines, and D. Gray, “Multijunction Solar Cells Based on Nanostructure Arrays”, Photovoltaics for the 21st Century, 199th ECS Meeting, Washington, DC, March 2001.

19. S. P. McGinnis, P. Sines, C. Garman, and B. Das, “Anodization of Silicon Using a Preformed Nanoscale Template”, 2000 MRS Fall Meeting, Boston, MA, 2000.

20. S.P. McGinnis, P. Sines, C. Garman, D. Grey, W. Zhang, and B. Das, “Template Based High Efficiency Nanostructure Photovoltaic Cells”, 28th IEEE Photovoltaic Specialist Conference, Anchorage, AK, Sept. 2000.

21. S. P. McGinnis, P. Sines, and B. Das, “Electrochemical fabrication of semiconductor quantum wires for photovoltaic applications”, 3rd International Conference on Low Dimensional Structures and Devices, Antalya, Turkey, Sept. 1999.

22. B. Das, S.P. McGinnis, and P. Sines, “A Low Cost High Efficiency Multijunction Photovoltaic Cell Using Electrochemically Fabricated Semiconductor Nanostructures”, Invited Presentation, Photovoltaics for the 21st Century, 196th ECS Meeting, Seattle, WA, May 1999.

23. S.P. McGinnis and B. Das, “A Nanostructure Based Scintillator for High Performance Gamma Photon Imaging”, Advances in Microcrystalline and Nanocrystalline Semiconductors - 1998, 1998 MRS Fall Meeting Proceedings, Boston, MA, 1998.

24. S.P. McGinnis, J.N. Cleary, B. Das, “The Fabrication of Semiconductor Nanostructure Arrays on a Silicon Substrate Using an Anodized Aluminum Template”, Advances in Microcrystalline and Nanocrystalline Semiconductors - 1996, 1996 MRS Fall Meeting Proceedings, Vol. 452, 1997.

25. B. Das and S.P. McGinnis, “Ultrafast and Efficient X-Ray Detectors Using Novel Semiconductor Nanostructure Arrays on Silicon”, SPIE International Symposium on Medical Imaging, February 1996.

26. B. Das, N.C. Grim and W. Buchanan, “Multimedia in Electrical Engineering & Technology, and Chemistry Education”, Proc. ASEE Southeastern Section Conference, April 14_16, University of Tennessee, Gatlinburg (1996).

27. B. Das and S.P. McGinnis, “Ultrafast and Efficient X-ray Detectors Utilizing Novel Semiconductor Nanostructure Arrays on Silicon”, Proc. SPIE Int. Symp. Med. Imag. Feb. 11-13, Newport Beach, CA (1996).

28. S.P. McGinnis and B. Das, “A Novel Technique for Fabricating Semiconductor Nanostructure Arrays on Silicon”, IEEE Cornell Conference on Advanced Concepts in High Speed Semiconductor Devices and Circuits, August 1995.

29. S.P. McGinnis and B. Das, “A Novel Technique for Fabricating Semiconductor Nanodevice Arrays on Silicon”, Proc. IEEE/Cornell Conf. Adv. Concepts High Speed Semi. Dev. & Cir., 179-188, (1995).

30. B. Das, L. A. Hornak and M. Lemmon, “A Model Undergraduate Integrated Optics Laboratory”, Proc. SPIE Education in Optics, 2525 136-147 (1995).

31. B. Das and M. Lemmon, “A Model Undergraduate Integrated Optics Laboratory”, 1995 Annual ASEE Conference, June 25-28, 1995, Annaheim, CA. (This paper was selected for broader exposure at the conference by the ASEE/DELOS division).

32. J. Qi, D. C. Diaz, H. Guan, B. Das, A. Yin and M. Dobrowolska, "Electroluminescence from novel porous silicon p-n junction devices", Proceedings of the SPIE's International Symposium on Optoelectronic and Microwave Engineering, Los Angeles, CA, Jan 22-28, 1994.

33. S. Bandyopadhyay, B. Das, A. E. Miller and J. A. Eastman, "Spontaneous spin polarization of electrons in a two-dimensional array of quantum dots : possibilities for a novel quantumcoupled computing architecture", 2nd International Symposium on Quantum Confinement : Physics and Applications, San Francisco, May 22 - 27, 1994.

34. B. Das, A. Yin and M. Dobrowolska, "Quantum Confined Stark Effect in Porous Silicon: Significance and Applications", 2nd International Symposium on Quantum Confinement : Physics and Applications, San Francisco, May 22 - 27, 1994.

35. B. Das, H. Guan, A. Yin and M. Dobrowolska, "Evidence of quantum confinement in porous silicon from observation of quantum confined Stark effect", 1993 Electronic Materials Conference, Santa Barbara, CA, June 23-25, (1993).

36. E. Miller, B. Das and S. Bandyopadhyay, "Superconducting quantum structures",1993 Summer workshop of MISCON, Notre Dame, IN July 6-8, (1993).

37. Danielle Walker, J. Qi and B. Das, "Low loss silicon waveguides implemented by porous silicon technology", 4th Annual Argonne Symposium for Undergraduates, Nov. 5-6, 1993.

38. S. Bandyopadhyay, B. Das, M. Cahay and S. Chaudhuri, "Low temperature conduction in ultranarrow wires : quantum transport and weak electromigration causing 1/f noise", Proceedings of the Meeting of the Electrochemical Society, Honolulu, Hawaii, May (1993).

39. Das, H. Guan, A. Yin and M. Dobrowolska, "Effect of electric field on photoluminescence spectra from porous silicon", Proceedings of the 6th European Conference on Integrated Optics, ECIO'93, Neuchatel, Switzerland, April 18-22 (1993).

40. B. Das, S. Subramaniam, G. H. Bernstein, S. Bandyopadhyay and M. R. Melloch, "Study of leakage currents in backgated GaAs/AlGaAs heterostructure devices fabricated using electron beam lithography", Bulletin of the American Physical Society, Vol. 37, No. 1, APS March Meeting, p. 344, (1992).

41. S. Subramaniam, S. Bandyopadhyay, B. Das, G. H. Bernstein and P. S. Sekula-Moise, "Anomalous magnetoresistance due to correlation between boundary and defect scattering in a two dimensional electron gas", Bulletin of the American Physical Society, Vol. 37, No. 1, APS March Meeting, p. 712, (1992).

42. Das, D. C. Miller, R. Reifenberger, S. Datta, W. P. Hong, P. K. Bhattacharya, J. Singh and M. Jaffe, "Spin splitting in InxGa1-xAs/In0.52Al0.48As Heterostructures as 0B", Bulletin of the Americam Physical Society, Vol. 34, No. 3, APS March Meeting, p. 680, (1989).

43. B. Das, D. R. Anderson, M. Yamanishi, T. C. Bonsett, S. Datta, R. L. Gunshor and L. A. Kolodziewjski, "In-plane electric field induced quenching of photoluminescence in (Zn,Mn)Se multiple quantum well structures", Proceedings of SPIE - the international society for optical engineering, Vol. 792, Quantum well and Superlattice Physics, Bay Point, Florida, 94 (1987).

44. S. Bandyopadhyay, B. Das, R. Reifenberger, S. Datta, W. P. Hong and P. K. Bhattacharya, "Aharonov-Bohm effect in a double quantum well structure with (InAs)-(GaAs) monolayer superlattices", Bulletin of the American Physical Society, Vol. 32, No. 3, APS MArch Meeting, p. 919, (1987).

45. S. Bandyopadhyay, M. R. Melloch, S. Datta, B. Das, J. A Cooper and M. S. Lundstrom, "A novel quantum interference transistor (QUIT) with extremely low power-delay product and very high transconductance", Technical Digest of the International Electron DevicesMeeting, IEDM, Los Angeles, CA, pp. 76-79 (1986).

Recent Tutorials & Presentations

1. B. Das, "Nanostructure Fabrication & Characterization", a three hour tutorial to be presented at the Int. Conf. On MEMS and Semiconductor Nanotechnology, Dec. 19-22, 2005, Kharagpur.

2. B. Das, "Nanoscale Device Fabrication", a three hour tutorial presented at the 7th Int. Conf. on Optoelectronics, Fiber Optics and Photonics, Dec. 8, 2004, Cochin.

3. B. Das; "Nanoscale Devices", IEEE Electron Devices Society, Santa Clara Valley Chapter, Jul. 8, 2004.

4. B. Das; "Spintronics", IEEE Electron Devices Society, Santa Clara Valley Chapter, Jul. 8, 2003.

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