Publications

Nano-bioelectronics

M. Gong, B. Y. Kim, B. R. Flachsbart, M. S. Shannon, P. W. Bohn, and J. V. Sweedler, "An on-chip fluorogenic enzyme assay using a multilayer microchip interconnected with a nanocapillary array membrane," IEEE Sensors Journal, 8, 5, 2008.

S. Prakash, A. Piruska, E. N. Gatimu, P. W. Bohn, J. V. Sweedler, and M. A. Shannon, "Nanofluidics: Systems and applications," IEEE Sensors Journal, 8, 5, 2008.

M. A. Shannon, P. W. Bohn, M. Elimelech, J. G. Georgiadis, B. J. Mariñas, and A. M. Mayes, "Science and technology for water purification in the coming decades," Nature, 452, 2008.

A. Piruska, S. Branagan, D. M. Cropek, J. V. Sweedler, and P. W. Bohn, "Electrokinetically driven fluidic transport in integrated three-dimensional microfluidic devices incorporating gold-coated nanocapillary array membranes," 8, 1625-1631, 2008.

P. Shi and P. W. Bohn, "Stable atom-scale junctions on silicon fabricated by kinetically controlled electrochemical deposition and dissolution," ACS Nano, 2, 8, 1581-1588, 2008.

M. Gong, B. R. Flachsbart, M. A. Shannon, P. W. Bohn, and J. V. Sweedler, "Fluidic communication between multiple vertically segregated microfluidic channels connected by nanocapillary array membranes," Electrophoresis, 29, 1237-1244, 2008.

T. S. Dalavoy, D. P. Wernette, M. Gong, J. V. Sweedler, Y. Lu, B. R. Flachsbart, M. A. Shannon, P. W. Bohn, and D. M. Cropek, "Immobilization of DNAzyme catalytic beacons on PMMA for Pb2+ detection," Lab on a Chip, 8, 786-793.

New materials and nanostructures

R. Beaulac, P. I. Archer, X. Liu, S. Lee, G. M. Salley, M. Dobrowolska, J. K. Furdyna, and D. R. Gamelin, "Spin-polarizable excitonic luminescence in colloidal Mn2+-doped CdSe quantum dots," Nano Lett., 8, 4, 1197-1201, 2008.

A. V. Koudinov, B. R. Namozov, Y. G. Kusrayev, S. Lee, M. Dobrowolska, and J. K. Furdyna, "Two-step versus one-step model of the interpolarization conversion and statistics of CdSe/ZnSe quantum dot elongations," Phys. Rev. B, 78, 045309, 2008.

P. Frantsuzov, M. Kuno, B. Jankó, and R. A. Marcus, "Universal emission intermittency in quantum dots, nanorods and nanowires," Nature Physics, 4, 2008.

J. A. Goebl, R. W. Black, J. Puthussery, J. Giblin, T. H. Kosel, and M. Kuno, "Solution-based II-VI core/shell nanowire heterostructures," J. Am. Chem. Soc., 2008.

J. Puthussery, A. Lan, T. H. Kosel, and M. Kuno, "Band-filling of solution-synthesized CdS nanowires," ACS Nano, 2, 2, 357-367, 2008.

Y. Yu, V. Protasenko, D. Jena, H. G. Xing, and M. Kuno, "Photocurrent polarization anistropy of randomly oriented nanowire networks," Nano Letters, 8, 5, 1352-1357, 2008.

S. Shen, X. Liu, Z. Ge, J. K. Furdyna, M. Dobrowolska, and J. Jaroszynski, "Scaling of the anomalous Hall effect in low Mn concentration (Ga,Mn)As," J. Appl. Phys., 103, 07D134, 2008.

B. J. Kirby, J. A. Borchers, X. Liu, Z. Ge, Y. J. Cho, M. Dobrowolska, and J. K. Furdyna, "Magnetization reversal of Ga1-xMnxAs layers separated by a nanomagnetic spacer," J. Appl. Phys., 103, 07D116, 2008.

P. Brown, K. Takechi, and P. V. Kamat, "Single-walled carbon nanotube scaffolds for dye-sensitized solar cells," J. Phys. Chem. C, 112, 4776-4782, 2008.

Z. Zhang, D. Meisel, P. Kamat, and M. Kuno, "Layer-by-layer self-assembly of colloidal gold-silica multilayers," Chem. Educator, 13, 153-157, 2008.

M. Kuno, "An overview of solution-based semiconductor nanowires: synthesis and optical studies," Phys. Chem. Chem. Phys., 10, 620-639, 2008.

A. Lan, J. Giblin, V. Protasenko, and M. Kuno, "Excitation and photoluminescence polarization anisotropy of single CdSe nanowires," Appl. Phys. Lett., 92, 183110, 2008.

Y. Cao, A. Orlov, H. G. Xing, and D. Jena, "Very low sheet resistance and Shubnikov-de-Haas oscillations in two dimensional electron gas at ultrathin binary AlN/GaN heterojunctions," Appl. Phys. Lett., 92(15), 152112, 2008.

G. O'Neil, D. Schmidt, N. A. Miller, J. N. Ullom, A. Williams, G. B. Arnold, and S. T. Ruggiero, "Observation of nonmagnetic resonant scattering effects by tunneling in dilute Al-Mn alloy superconductors," Phys. Rev. Lett., 100, 056804, 2008.

R. Muszynski, B. Seger, and P. V. Kamat, "Decorating graphene sheets with gold nanoparticles," J. Phys. Chem. C, 112, 5263-5266, 2008.

G. Williams, B. Seger, and P. V. Kamat, "TiO2-graphene nanocomposites. UV-assisted photocatalytic reduction of graphene oxide," ACS Nano, 2008.

Nanoelectronics and physical limits to computation

T. J. Dysart and P. M. Kogge, "Analyzing the inherent reliability of moderately sized magnetic and electrostatic QCA circuits via probabilistic transfer matrices," IEEE Trans. on VLSI Systems, 2008.

A. M. Mintairov, Y. Chu, Y. He, S. Blokhin, A. Nadtochy, M. Maximov, V. Tokranov, S. Oktyabrsky, and J. L. Merz, "High-spatial-resolution near-field photoluminescence and imaging of whispering-gallery modes in semiconductor microdisks with embedded quantum dots," Phys. Rev. B, 77, 195322, 2008.

A. O. Orlov, X. Luo, K. K. Yadavalli, I. S. Beloborodov, and G. L. Snider, "Using granular film to suppress charge leakage in a single-electron latch," Phys. Rev. B, 77, 075414, 2008.

N. Su, Y. Tang, Z. Zhang, T. F. Kuech, and P. Fay, "Observation and control of electrochemical etching effects in the fabrication of InAs/AlSb/GaSb heterostructure devices," J. Vac. Sci. Technol. B, 26(3), 2008.

N. Su, R. Rajavel, P. Deelman, J. N. Schulman, and P. Fay, "Sb-heterostructure millimeter-wave detectors with reduced capacitance and noise equivalent power," IEEE Electron Dev. Lett., 29, 6, 2008.

Q. Zhang, T. Fang, G. Xing, A. Seabaugh, and D. Jena, "Graphene nanoribbon tunnel transistors," IEEE Electron Dev. Lett., 29, 1344, 2008.

T. Fang, A. Konar, H. Xing, and D. Jena, "Mobility in semiconducting graphene nanoribbons: Phonon, impurity and edge roughness scattering," Phys. Rev. B, 78, 205403, 2008.

D. Jena, T. Fang, Q. Zhang, and H. Xing, "Zener tunneling in semiconducting nanotube and graphene nanoribbon p-n junctions," Appl. Phys. Lett., 93, 112106, 2008.

C. Lian, H. G. Xing, Y.-C. Chang, and N. Fichtenbaum, "Electrical transport properties of wafer-fused p-GaAs/n-GaN heterojunctions," Appl. Phys. Lett., 93, 112103, 2008.

C. Lian, H. G. Xing, Y.-C. Chang, and N. Fichtenbaum, "The role of doping type in setback layers on wafer-fused AlGaAs/GaAs/GaN HBTs," Phys. Solid. Stat. (c), 5(9), 2960, 2008.

C. Lian, X. Xing, P. Fay, Y.-C. Chang, Z. Chen, and H. Xing, "Wafer fused AlGaAs/GaAs/GaN HBTs with current gain of ~ 20 and ft of ~ 2.6 GHz," Conference Digest of the 66th Device Research Conference, UCSB, June 2008.

X. Luo, Y. Lee, A. Konar, T. Fang, G. Snider, H. Xing, and D. Jena, "Current-carrying capacity of long and short channel 2D graphene transistors," Conference Digest of the 66th Device Research Conference, UCSB, June 2008.

J. Simon, H. Xing, and D. Jena, "Ultrathin AlN/GaN superlattice p-n junctions by MBE," Conference Digest of the 66th Device Research Conference, UCSB, June 2008.

T. Zimmermann, D. Deen, Y. Cao, J. Simon, P. Fay, D. Jena and H. G. Xing, "AlN/GaN insulated gate HEMTs with 2.3 A/mm output current and 480 mS/mm transconductance," IEEE Electron Device Lett., 29(7), 661, 2008.

H. Xing, T. Zimmerman, D. Deen, Y. Cao, D. Jena, and P. Fay, "Ultrathin AlN/GaN heterostructure based HEMTs," invited paper, International Conference on Compound Semiconductor Manufacturing Technology, Chicago, April 2008.

C. Lian and H. G. Xing, "Wafer fused AlGaAs/GaAs/GaN HBTs with current gain ~ 20 and VBR> 35 V," International Conference on Compound Semiconductor Manufacturing Technology, Chicago, April 2008.

D. Deen, T. Zimmermann, Y. Cao, D. Jena, and H. G. Xing, "2.3 nm AlN/GaN high electron mobility transistors with insulated gates," Phys. Solid. Stat. (c), 5(6) 2047, 2008.

T. Zimmermann, D. Deen, Y. Cao, D. Jena and H. G. Xing, "Formation of ohmic contacts to ultra-thin channel AlN/GaN HEMTs," Phys. Solid. Stat. (c), 5(6) 2030, 2008.

C. Lian and H. G. Xing, "The role of setback layers on the breakdown characteristics of AlGaAs/GaAs/GaN HBTs," Phys. Solid. Stat. (c), 5(6) 1989, 2008.

M. F. Hochella Jr., S. K. Lower, P. A. Maurice, R. L. Penn, N. Sahai, D. L. Sparks, and B. S. Twining, "Nanominerals, mineral nanoparticles, and earth systems," Science, 319, 1631-1635, 2008.

A. Orlov, A. Imre, G. Csaba, L. Ji, W. Porod, and G. H. Bernstein, "Magnetic quantum-dot cellular automata: Recent developments and prospects," J. Nanoelectron. Optoelectron., 3, 1, 1-14, 2008.

Energy harvesting technologies

J. A. Bean, B. Tiwari, G. H. Bernstein, P. Fay, and W. Porod, "Thermal infrared detection using dipole antenna-coupled metal-oxide-metal diodes," J. Vac. Sci. Technol. B, 27(1), 2009.

P. Brown and P. V. Kamat, "Quantum dot solar cells. Electrophoretic deposition of CdSe-C60 composite films and capture of photogenerated electrons with nC60 cluster shell," J. Am. Chem. Soc., 130, 8890-8891, 2008.

P. V. Kamat, "Quantum dot solar cells. Semiconductor nanocrystals as light harvesters," J. Phys. Chem. C, 112, 18737-18753, 2008.

Y. Matsunaga, K. Takechi, T. Akasaka, A. R. Ramesh, P. V. James, K. George Thomas, and P. V. Kamat, "Excited-state and photoelectrochemical behavior of pyrene-linked phenyleneethynylene," J. Phys. Chem B, 112, 14539-14547, 2008.

T. Hasobe, S. Fukuzumi, P. V. Kamat, and H. Murata, "Fullerene-based supramolecular nanoclusters with Poly[2-methoxy-5-(2'-ethylhexyloxy)-p-phenylenevinylene] for light energy conversion," Japanese J. Appl. Phys., 47, 2, 1223-1229, 2008.

A. Kongkanand, K. Tvrdy, K. Takechi, M. Kuno, and P. V. Kamat, "Quantum dot solar cells. Tuning photoresponse through size and shape control of CdSe-TiO2 architecture," J. Am. Chem. Soc., 2008.

K. Takechi, P. V. Kamat, R. R. Avirah, K. Jyothish, and D. Ramaiah, "Harvesting infrared photons with Croconate dyes," Chem. Mater., 20, 265-272, 2008.

K. Takechi and P.V. Kamat, "Harvesting infrared photons with croconate dyes," Chem. Mater., 20, 265-272, 2008.

Y. Yu, V. Protasenko, D. Jena, H. G. Xing, and M. Kuno, "Photocurrent polarization anisotropy of random nanowire network," NanoLetters, 2008.