Peter D. Persans
Associate Department
Head, Department of Physics, Applied Physics, and Astronomy
Rensselaer Polytechnic Institute, 110 Eighth
Street, Troy, NY 12180-3590
Telephone: 518-276-2934
FAX: 518-276-6680
email: persap(at)rpi.edu
web:http//www.rpi.edu/~persap
Office: Science
Center, Room 1C10
Course Information and Schedule - Spring 2008
Spring 2008
PHYS 1200 - Physics 2 resource site-
also go to RPI LMS
(registration required)
PHYS 1960 - Honors
Physics 2 - go to RPI
LMS for this course
(registration required)
Education and Employment
BS Physics -1975 -Polytechnic Institute of New York
PhD Physics -1982 -University of Chicago
(Thesis advisor: H. Fritzsche)
Research Physicist -Exxon Corporate Research (1981-1986)
Physics Faculty -Rensselaer Polytechnic Institute (1986-present)
Research interests and expertise:
- Optoelectronic and
structural properties of amorphous, nanocrystalline, and quantum dot
materials
- Optoelectronic devices
and solar cells
- X-ray optics and
interface roughness
- Waveguide optical
interconnects
Selected Publications: (for a full publication list click here)
- H.
Fritzsche, C.C. Tsai and P. Persans, “Amorphous Semiconducting Silicon‑Hydride
Alloys", Solid State Technology 21, 55 (1978).
- E.A.
Schiff, P. Persans, H. Fritzsche and V. Akopyan, "A Doping‑Precipitated
Morphology in Plasma Deposited a‑Si:H", Appl. Phys. Lett. 38,
92 (1981).
- P.
Persans, "Dual Beam Photoconductivity Modulation Spectroscopy in a‑Si:H",
Philosophical Magazine B46, 435‑471 (1982).
- T.
Tiedje, B. Abeles, P. Persans, G. Cody and B. Brooks, "Bandgap and
Resistivity of Amorphous Semiconductor Superlattices”, J. Non‑Cryst.
Solids 66, 345 (1984).
- P.
Persans, A. Ruppert, S. Chan and G. Cody, "Relationship Between Bond
Angle Disorder and the Optical Edge of a‑Ge:H", Solid State Commun.
51, 203 (1984).
- P.
Persans, A.F. Ruppert, B. Abeles and T. Tiedje, "Raman Scattering
Study of Amorphous Si‑Ge Interfaces", Phys. Rev. B32, 5558
(1985).
- B.
Abeles, P. Persans, L. Yang, H. Stasiewski and W. Lanford, "Infrared
Spectroscopy of Interfaces in Amorphous Hydrogenated Silicon/Silicon
Nitride Superlattices", Appl. Phys. Lett. 48, 168 (1986).
- P.D.
Persans, "Vibrational Raman Studies of Amorphous Solid
Interfaces," Phys. Rev. B 39 1797 (1989)
- P.D.
Persans, A. Ruppert, Y.-J. Wu, B. Abeles, W. Lanford and V. Pantojas, "Stability
of Tetrahedrally-Bonded Amorphous Semiconductor Multilayers," J.
Non-Cryst. Sol. 114 771 (1989).
- P.D.
Persans, A.F. Ruppert, V. Pantojas, B. Abeles, K. Liang, G. Hughes,
"Interface roughness and x-ray reflectivity of amorphous
semiconductor multilayers," Mat. Res. Soc. Symp. Proc. 192 225
(1990)
- G.
Dalakos, J. Plawsky, and P. D. Persans, "Topographic evolution during deposition of plasma-deposited
hydrogenated silicon on glass", Phys Rev B 72 205305 (2005).
- George T. Dalakos, Joel L. Plawsky, Peter D. Persans, "Suppressed
surface morphology instabilities in amorphous hydrogenated silicon
deposition", Appl. Phys. Lett. 85 3462 (2004).
- G. Dalakos et al., "Surface
roughness and structural aspects of anodic and cathodic plasma deposited
a-Si:H at low-temperature"
J. Non-Cryst. Sol.,349 285 (2004).
- GT
Dalakos, JL Plawsky, PD Persans, "Smoothing of rough a-Si : H
surfaces by ion-assisted deposition and sputter erosion" ,
Materials Letters 60 15-18 (2006)
Quantum Dots and Nanostructures
- P. Persans,
A.F. Ruppert and B. Abeles, "Crystallization Kinetics of Amorphous
Si/SiO2 Superlattice Structures", J. of Non‑Cryst. Solids 102,
130 (1988).
- P.D.
Persans, A. Tu, Y.J. Wu and M. Lewis, ”Size-distribution dependent optical
properties of CdSSe nanocrystals”, J. Opt. Soc. Am. B, 6, 818 (1989)
- P.D.
Persans, E. Lu, A.F. Ruppert, G. Wagoner, and J. Haus, "Particle
shape effects on optical absorption in semiconductor colloids," in Physical
Phenomena in Granular Materials, eds. P. Sheng, G. Cody and T. Geballe,
Mat. Res. Soc. Symp. Proc. 195 591 (1990)
- A.Tu
and P. Persans, “Raman scattering as a probe of composition in II-VI
ternary semiconductor-glass composites,” Appl. Phys. Lett., 58, 1506 (1991)
- H
Yükselici, P D Persans, T M Hayes, "Optical studies of the growth of
Cd1-xZnxS nanocrystals in borosilicate glass", Phys Rev B, 52,
11763 (1995).
- K L
Stokes and P D Persans, "Excited states and size-dependent
electro-optical properties of CdSSe quantum dots," Phys. Rev. B, 54,
1892 (1996).
- E B Stokes, P D Persans, and
K L Stokes, "Superlinear energy dependence of photoluminescence from
Cd(S, Se) nanocrystallites in glass", Proc. Electrochemical Society,
95-17, (1996).
- J Schroeder and P D Persans,
"Spectroscopy of II-VI nanocrystals at high pressure and high temperature"
(A review article), J. Lumin., 70, 69-84, (1996).
- P D Persans, P W Deelman, K
L Stokes, L J Schowalter, A Byrne, T Thundat, "Optical studies of Ge
islanding on Si(111)", Appl. Phys. Lett. 70, 472 (1997).
- P D Persans and K L Stokes,
"Embedded Nanocrystal Spectroscopy" in Handbook of Nanophase
Materials ed. A. Goldstein, (Marcel Dekker, New York), 1997.
- G Wagoner, E Van Wagenen, G
Korenowski, P D Persans, "Second harmonic generation in MoS2",
J. Opt. Soc. Am. B, 15, 1017, (1998).
- P. D. Persans, IEEE-LEOS
Newsletter, "Optical Properties of Semiconductor Nanocrystal
Quantum Dots", October 1998
- T M Hayes, P D Persans, L B
Lurio, J Pant, "Growth and dissolution of CdS
nanoparticles in glass," Journal of Synchrotron Radiation, 6
(1999) 495.
- P D Persans, L B Lurio, J
Pant, H Yükselici, G D Lian, and T M Hayes, "Combining x-ray
and optical spectroscopies in the study of dilute semiconductor
nanoparticle composites," J Appl Phys 87 3850 (2000)
- P D Persans, L B Lurio, J
Pant, G D Lian, T M Hayes, "Zn incorporation in CdS nanoparticles in
glass," Phys Rev B 63 115320 (2001)
- T M Hayes, L B Lurio, J
Pant, and P D Persans, "Order in CdS Nanoparticles in Glass",
Sol State Commun 117 627 (2001)
- T. M. Hayes, L. B. Lurio, J.
Pant, P. D. Persans, “Growth and Dissolution of CdS Nanoparticles in
Glass”, J. Phys.: Cond. Matter 13, 425 (2001)
- T. M.
Hayes, L. B. Lurio, J. Pant, P. D. Persans, “Stability of CdS nanocrystals
in glass”, Phys. Rev. B 63 155417 (2001).
- P. D.
Persans, T. M. Hayes, and L. B. Lurio, "Size-dependent composition of
semiconductor nanoparticles in glass", J. Non-Crys. Sol. 349
315 (2004).
- A.
Filin, K. Babocsi, M. Schmitt, P. D. Persans, V. D. Kulakovskii, and W. Kiefer, “Exciton spin
dephasing in CdSe nanocrystals embedded in glass”, Phys Rev B 73 125322 (2006).
- P
D Persans, A. Filin, N. E. Berry, F. Huang, and E. Chan, " Exciton
Lifetime in PbS Quantum Dots in Glass", Mat. Res. Soc. Symp. Proc., 974E,
p.0974-CC06-01 (2006).
Optical Interconnects, Thin
Films, and Interfaces
- A.
Jain, J. L. Plawsky, S. Ponoth, S. Rogojevic, N. Agarwal, W.N. Gill, P.
Persans, "Porous Materials as Low-k Dielectrics for Electronic and
Optical Interconnects", Thin Solid Films 398, 513 (2001).
- N.
Agarwal, S. Ponoth, J. Plawsky, P. D. Persans, “Roughness evolution in
polyimide films due to plasma etching”, Appl. Phys. Lett. 78, 2294 (2001).
- S.
Ponoth, N. Agarwal, P. Persans, and J. Plawsky, “PECVD Silicon
Oxide-Aerogel and Polymer-Aerogel Optical Waveguides”, in Microphotonics
– Materials, Physics and Applications, (Materials Research Society
Proceedings Vol. 637, 2001).
- N.
Agarwal, Ponoth, S; Plawsky, J; Persans, PD , “Optimized oxygen plasma
etching of polyimide films for low loss optical waveguides”, J Vac Sci and
Tech A, Vol. 20, 1587, (2002).
- P. D.
Persans, N. Agarwal, S. Ponoth, J. Plawsky, “High-k Dielectrics: Waveguide
and packaging applications”, in “Interlayer Dielectrics for
Semiconductor Technologies”, ed. Shyam P. Murarka, Moshe Eizenberg,
and Ashok K. Sinha, (Academic Press, San Diego))
- P.
D. Persans, R. Ghoshal, S. Ponoth, J. Plawsky, N. Agarwal, A. Filin, Q.-Z.
Fang, “Siloxane-based polymer epoxies for optical waveguides”, in Applications
of Photonic Technology 6, ed. R. Lessard and G. Lampropoulos, SPIE
Vol. 5260, 331 (2003).
- S. Ponoth, N. T. Agarwal, P. D. Persans,
and J. L. Plawsky, "Fabrication of controlled sidewall angles in thin
films using isotropic etches", J. Vac. Soc. Tech. B 21, 1240,
(2003)
- B. N. Tran, J. C. Joseph, J. P. Ferris,
P. D. Persans, “Simulation of Titan Haze Formation using a Photochemical
Flow Reactor: Optical Constants of the Polymer”, Icarus 165, 379
(2003).
- Ponoth,
S.S.; Agarwal, N.T.; Persans, P.D.; Plawsky, J.L., "Fabrication of
micromirrors with self-aligned metallization using silicon
back-end-of-the-line processes", Thin Solid Films, 472, 169-79 (2005).
Memberships and
activities:
American
Physical Society
Materials Research Society
New York State Section of the American
Physical Society
Optical Society of America
Rensselaer Jazz Ensemble
Other interesting sites:
The Smalbanac - a useful guide
to the Capital District
Metroland - a free weekly
focused on local entertainment but with good political coverage