Search Results - "Dutta, Partha S"

Early warning signals have limited applicability to empirical lake data by O’Brien, Duncan A., Deb, Smita, Gal, Gideon, Thackeray, Stephen J., Dutta, Partha S., Matsuzaki, Shin-ichiro S., May, Linda, Clements, Christopher F.

“…Research aimed at identifying indicators of persistent abrupt shifts in ecological communities, a.k.a regime shifts, has led to the development of a suite of…”
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Machine learning methods trained on simple models can predict critical transitions in complex natural systems by Deb, Smita, Sidheekh, Sahil, Clements, Christopher F, Krishnan, Narayanan C, Dutta, Partha S

“…Forecasting sudden changes in complex systems is a critical but challenging task, with previously developed methods varying widely in their reliability. Here…”
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Enhanced ultraviolet sensitivity of zinc oxide nanoparticle photoconductors by surface passivation by Qin, Liqiao, Shing, Christopher, Sawyer, Shayla, Dutta, Partha S.

“…Zinc oxide nanoparticles were created by a top-down wet-chemical etching process and then coated with polyvinyl-alcohol (PVA), exhibiting sizes ranging from 10…”
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Development of micro-hotplate and its reliability for gas sensing applications by Prasad, Mahanth, Dutta, Partha S.

“…This paper presents the development of a double spiral micro-heater and its reliability testing for gas sensing applications. The design and simulation of the…”
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Ultrafast carrier mobilities in high-resistivity iron-doped Ga0.69In0.31As photoconducting antennas by Sengupta, Suranjana, Wilke, Ingrid, Dutta, Partha. S.

“…We report measurements of terahertz (THz) frequency radiation pulses emitted by photoconducting (PC) antennas fabricated from high-resistivity Fe-doped…”
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Fabrication and passivation of GaSb photodiodes by Sridaran, Sujatha, Chavan, Ashonita, Dutta, Partha S.

“…A novel Zn diffusion technique in n-GaSb substrate from a low temperature chemical bath deposited ZnS layer has been developed to obtain high breakdown…”
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Optical efficiency–concentration ratio trade-off for a flat panel photovoltaic system with diffuser type concentrator by Kim, Jung Min, Dutta, Partha S.

“…Optical concentrators that could be used as a flat panel type stationary photovoltaic (PV) system will enable significant reduction in the cost of PV power…”
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Enhanced terahertz emission from impurity compensated GaSb by ASCAZUBI, Ricardo, SHNEIDER, Carl, WILKE, Ingrid, PINO, Robinson, DUTTA, Partha S

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Wireless Communication Networks for Gas Turbine Engine Testing by Mingding, Han, Yun Cai, Lim, Sasloglou, Konstantinos, Panella, Isabella, Strong, John, Atkinson, Robert, Glover, Ian, Dai, Xuewu, Chee Wei, Ang, Dutta, Partha S., Schiffers, Werner, Mitchell, John E.

“…A new trend in the field of Aeronautical Engine Health Monitoring is the implementation of wireless sensor networks (WSNs) for data acquisition and condition…”
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To share or not to share? Phytoplankton species coexistence puzzle in a competition model incorporating multiple resource-limitation and synthesizing unit concepts by Sarker, Subrata, Feudel, Ulrike, Meunier, Cédric L., Lemke, Peter, Dutta, Partha S., Wiltshire, Karen H.

“…•More species than resources can coexist with environmental variation.•Species coexist due to cyclic change in in biomass and niche configuration.•Non-linear…”
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THz radiation emission from InPAs and GaInAs crystals by Wilke, Ingrid, Dutta, Partha S., Slobodtchikov, Evgueni

“…An experimental study on the emission of THz-radiation from InP 1-x As x and Ga 1-x In x As crystals is reported. The semiconductor materials were grown by a…”
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Ultrafast carrier mobilities in high-resistivity iron-doped Ga 0.69 In 0.31 As photoconducting antennas by Sengupta, Suranjana, Wilke, Ingrid, Dutta, Partha S.

“…We report measurements of terahertz (THz) frequency radiation pulses emitted by photoconducting (PC) antennas fabricated from high-resistivity Fe-doped Ga 0.69…”
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Narrow bandgap semiconductor based THz-emitters by Wilke, Ingrid, Sengupta, Suranjana, Dutta, Partha S.

“…The emission of terahertz (THz)-radiation pulses from binary and ternary narrow bandgap semiconductors is discussed. Ga x In 1-x As:Fe is a THz-emitter…”
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InGaSb photodetectors using an InGaSb substrate for 2μm applications by Refaat, Tamer F., Abedin, M. Nurul, Bhagwat, Vinay, Bhat, Ishwara B., Dutta, Partha S., Singh, Upendra N.

“…Detectors operating at 2μm are important for several applications including optical communication and atmospheric remote sensing. In this letter, fabrication…”
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Forming stable partnerships by Dutta, Partha Sarathi, Sen, Sandip

“…Autonomous agents interacting in an open world can be considered to be primarily driven by self interests. In this paper, we evaluate the hypotheses that…”
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Cooperative Information Sharing to Improve Distributed Learning in Multi-Agent Systems by Dutta, P. S., Jennings, N. R., Moreau, L.

“…Effective coordination of agents' actions in partially-observable domains is a major challenge of multi-agent systems research. To address this, many…”
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Rate-Induced Transitions in Networked Complex Adaptive Systems: Exploring Dynamics and Management Implications Across Ecological, Social, and Socioecological Systems by Vasconcelos, Vítor V, Marquitti, Flávia M. D, Ong, Theresa, McManus, Lisa C, Aguiar, Marcus, Campos, Amanda B, Dutta, Partha S, Jovanelly, Kristen, Junquera, Victoria, Kong, Jude, Krueger, Elisabeth H, Levin, Simon A, Liao, Wenying, Lu, Mingzhen, Mittal, Dhruv, Pascual, Mercedes, Pinheiro, Flávio L, Rocha, Juan, Santos, Fernando P, Sloot, Peter, Chenyang, Su, Taylor, Benton, Tekwa, Eden, Terpstra, Sjoerd, Tilman, Andrew R, Watson, James R, Yang, Luojun, Yitbarek, Senay, Zhan, Qi

“…Complex adaptive systems (CASs), from ecosystems to economies, are open systems and inherently dependent on external conditions. While a system can transition…”
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Silicon carbide thin film radiators and gallium antimonide photovoltaic device layers on ceramic substrates for solar-thermophotovoltaic application by Notaro, Douglas Scott

“…The global annual energy consumption is projected to rise from its current value of 13 Terawatt-years to about 30 Terawatt-years within the next 40 years…”
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Synthesis and characterization of zinc oxide nanocolloid for transparent conducting thin films by Sharma, Swati

“…As technology advances, material research efforts need to keep pace with the changes. For example, new chemical precursors need to be continuously developed…”
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Nearly diffusion controlled segregation of tellurium in GaSb by Dutta, Partha S., Ostrogorsky, Aleksandar G.

“…〈1 1 1〉B and 〈1 0 0〉 oriented tellurium-doped GaSb single crystals have been grown by the vertical Bridgman technique, with and without a baffle in the melt…”
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