Laboratory for Classical and Emerging Electronic Devices

News

04/2024  Marco Fratus' photo titled 'Sugar Wars: A New (Wearable) Hope' won the Second Prize in the 'Say It in 6 Words' competition at Purdue University.

12/2023  In his plenary talk at the  XXII International Workshop on the Physics of Semiconductor Devices, , Prof. Alam spoke about "Reliable Sensing with Unreliable Sensors: Reading the Heartbeats of Field Deployed Electronic Devices" explaining why field-deployed system will always be "unreliable" and how a synthesis of information theory and social sensing provides a foundational pathway out of the challenge. 

08/2023  Marco Fratus' abstract titled "The Emergence of Microneedle-based Smart Sensor/Drug-Delivery Patches: A Scaling Theory Defines the Trade-off between Response Time and Limits of Detection" has been accepted for The 2nd International Electronic Conference on Chemical Sensors and Analytical Chemistry. 

05/2023  At the SMART consortium meeting, Ajanta Saha received the best poster award for her preliminary analysis of "A Google-translate system for manufacturing data."

04/2023  At the 2023 Birck Annual Research Conference (NanoVisions), Marco Fratus received the best poster award for his poster titled "S.O.S. fast response for microneedle-based patches: How can a physics-based model save us?".

04/2023  Prof. Alam will present a tutorial on "Introduction to Machine Learning"  at the 2023 International VLSI Symposium on Technology, Systems, and Applications.  A follow-up tutorial is presented by Prof. Changwook Jeorg.

02/2023 PV-MAPS -- The first solar farm software to predict worldwide energy yield of various configurations of solar farms is published. 

01/2023  Following the Distinguished Lecture by Dario Gill from IBM on "The Future of AI and Quantum Computing," Prof. Alam joined his colleagues Prof. Anand Raghunathan and Boltasseva, and Mark Lundstrom to discuss the broader societal implications of next-generation computing. 

12/2022   Transistor was invented at Bell Labs on Dec. 16, 1947. Purdue arranged an hourlong event to commemorate the day, and to highlight Purdue's role in developing the technology.  Prof. Alam spoke about Mohammed Atalla, a Purdue Alum, who developed thermal oxidation and created MOSFET. 

11/2022  Prof. Alam's interview podcast has been posted on the EDS website.  And the perspective article co-authored with Prof. Lundstrom appears in a special issue of Science Magazine that celebrates the 75th Anniversary of the invention of the transistor. 

09/2022 Marco Fratus poster's "Impact of microelectrode geometry and surface finish on enzymatic biosensor performance" won the 'People's Choice Award' during the Purdue Engineering Virtual Graduate Showcase 2022. 

07/2022  Purdue introduces a new Semiconductor degree  program and multiple semiconductor companies, such as Skywater and MediaTek are opening up major facilities close to Purdue.

07/2022  A book by Prof. Alam and Khan titled  "Principles of Solar Cells: Connecting Perspectives on Devices, Systems, Reliability, and Data Science" is informed by their decade long research on this topic and is published by World Scientific. 

06/2022 Jabir and Tahir's work on Physics-Guided Machine Learning of Solar Farms won the best poster award at the 49th IEEE PVSC Conference.  

04/2022  Prof. Alam to offer a series of lectures on Atom-to-Farm Physics of Solar Cells. 

03/2022 Prof. Alam and Nuo Xu from TSMC will be moderating a IRPS workshop on the "Dawn or Dusk of Transistor Reliability Physics."  You can contribute by filling up the google form. 

01/2022 Prof.  Alam joins the editorial board of the Journal "Innovative and Emerging Technologies" published by World Scientific Press.  

10/2021 Marco Fratus poster's "Universal scaling of electrochemical immunosensors: An analytical-based approach" won the 'People's Choice Award' during the Purdue Engineering Virtual Graduate Showcase 2021.

05/2021  The International Energy Commission IEA-PVPS report on the technology potential of next-generation solar Cells includes our contributions to thermodynamics and design considerations of bifacial solar cells. 

04/2021  Nicolo Zagni's paper on NC-BioFET is highlighted as one of the most important papers on 2D electronics published by Applied Physics Letters.

03/2021  An article in the global Edition of PV Magazine has highlighted the collaborative international study by Tahir Patel on “Global analysis of next-generation utility-scale PV: Tracking bifacial solar farms,” published in Applied Energy.

07/2020  An article in the global Edition of PV Magazine has highlighted the importance of Tahir Patel's recent work on “Temperature-dependent energy gain of bifacial PV farms: A global perspective,” published in Applied Energy. 

06/2020   A Purdue news release highlights the significance of our recent PNAS paper on the thermodynamic limits of bifacial solar cells.  An interview with "Inside Indiana Business" offers a broader perspective. 

08/2019  "New Era Electronics" launched

Recent Highlights

[Reliability] The paper titled "Highly Robust All-Oxide Transistors with Ultrathin In2O3 as Channel and Thick In2O3 as Metal Gate Towards Vertical Logic and Memory" has been accepted for presentation at IEEE Symposium on VLSI Technology and Circuits. 

[Biosensors] Fratus, M., Alam, M.A. "Theory of Nanostructured Sensors Integrated In/On Microneedles for Diagnostics and Therapy", Biosensors and Bioelectronics, 255, 116238 (2024).   https://doi.org/10.1016/j.bios.2024.116238

[Biosensors] Fratus, M., Alam, M.A. "Performance gain and electro-mechanical design optimization of microneedles for wearable sensor systems." Biomed Microdevices 26, 4 (2024). https://doi.org/10.1007/s10544-023-00683-x. 

[Biosensors] The reviewers wrote that the recently published ACS Applied Materials & Interfaces paper titled "Wearable Sensor Patch with Hydrogel Microneedles for In Situ Analysis of Interstitial Fluid" "provides a new solution for continuous health monitoring and disease management. I think this is an elegant demonstration showcasing the power of combination of soft material and electrical engineering, and theoretical modeling".

[Biosensors] M. Fratus et al., "Geometry-defined Response Time and Sensitivity for Microneedle-based Amperometric Sensors," in IEEE Sensors Journal, doi: 10.1109/JSEN.2023.3277425. 

[Biosensors] The reviewers wrote that the recently accepted IEEE Sensors paper on "Modeling Selectivity, Sensitivity and Detection Range of Ion-Selective Membranes for Electrochemical Potentiometric Sensors by equilibrium model based on the Poisson-Boltzmann equations," should be required reading for all researchers working in the field of Ion-Selective Potentiometric Sensors. 

[Transistors] "Positive Bias Temperature Instability and Hot Carrier Degradation of Back-End-of-Line, nm-Thick, In2O3 Thin-Film Transistors,"  Yen-Pu Chen, Mengwei Si, Bikram Kishore Mahajan, Zehao Lin, Peide D. Ye, and Muhammad A. Alam, IEEE Electron Device Letters, 2021. PDF

[Solar Cells] "Light-activated interlayer contraction in two-dimensional perovskites for high-efficiency solar cells," Nature Nanotechnology, 2021. PDF

[Transistors] "Highly Sensitive Active Pixel Image Sensor Array Driven by Large-area Bilayer MoS2 Transistor Circuitry,"  S. Kim et al., Nature Communications, 2021.  PDF

[Solar Cells]  "Shockley-Queisser Triangle Predicts the Thermodynamic Efficiency Limits of Arbitrarily Complex Multi-junction Tandem and Bifacial Solar Cells,"  M. A. Alam and M. R. Khan,  Proc. National Academy of Sciences, 2019. 

[Transistors]  "Negative Capacitor Field Effect Transistor: A Review,"  M. Alam, M. Si, and P. Ye,  Applied Physics Letters, 2019.  PDF   Editorial

[Solar Cells] "Ground-sculpted Vertical Bifacial Solar Farms," M. Ryyan Khan, E. Sakr, X. Sun, P. Bermel, and M. Alam,  Applied Energy, 241, 592-598, 2019.  PDF

[Transistors] "Steep Slope Hysteresis-free Negative Capacitance MoS2 Transistors,"  M. Si, C.-J. Su, C. Jiang, N. J. Conrad, H. Zhou, K. D. Maize, G. Qiu, C.-T. Wu, A. Shakouri, M. A. Alam and Peide D. Ye,  Nature Nanotechnology (2017) doi:10.1038/s41565-017-0010-1

[Solar Cells] “Thermodynamic Efficiency Limits of Classical and Bifacial Multi-junction Tandem Solar Cells: An Analytical Approach”,  M. A. Alam and R. Khan, Applied Physics Letters, 109 (17), 173504, 2016.

[Biosensors] “Evaporation-induced Stimulation of Bacterial Osmoregulation for Electrical Assessment of Cell Viability”, A. Ebrahimi and M. A. Alam, PNAS, 113, 059-7064, 2016. The work has been highlighted in news outlets, including ScienceDaily (June 2016).

[Solar Cells] “High Efficiency Solution-Processed Perovskite Solar Cells with Millimeter-Scale Grains,” W. Nie, H. Tsai, R. Asadpour, J.-C. Blancon, A. J. Neukirch, G. Gupta, J. Crochet, M. Chhowalla, S. Tretiak, M. A. Alam, H.-L. Wang, and A. D. Mohite,  Science 347 (6221), 522, 2015.

[Solar Cells] “A Collection Limited Theory Interprets the Extraordinary Response of Single Semiconductor Organic Solar Cells”, B. Ray, A. Baradwaj, R. Khan, B. Boudouris, and M. A. Alam, Proc. of National Academy of Sciences, 112(36), 11193-11198,  2015.