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ESE Seminar: “Fluorite and Wurtzite Structure Ferroelectrics. From Fundamentals to Semiconductor Applications”

Glandt Forum, Singh Center for Nanotechnology 3205 Walnut Street, Philadelphia, PA, United States

Ferroelectric properties were initially discovered in perovskite-structured materials over a century ago. However, it was only in the last two decades that these properties were confirmed in fluorite-structured doped HfO2 and wurtzite-structured AlN films, respectively. The ferroelectricity in doped HfO2 or ZrO2 has been attributed to a previously unknown non-centrosymmetric orthorhombic Pca21 phase, while it […]

Summer 2024 GRASP on Robotics: Sami Atiya, ABB Ltd., “The Evolution of Robotics/AI: an Industry Perspective”

Wu and Chen Auditorium (Room 101), Levine Hall 3330 Walnut Street, Philadelphia, PA, United States

This seminar will be held in-person in Wu and Chen as well as virtually via Zoom. ABSTRACT Since its inception, Robotics has constantly used technological developments to address new customer needs. These developments have occurred in two areas: mechatronics and software & control. Mechatronic advances made robots stronger, faster, and more accurate. In parallel, software […]

MEAM Seminar: “Metallivore Robots Powered by Aluminum-air Batteries”

Room 337, Towne Building 220 South 33rd Street, Philadelphia, PA, United States

Mobile robots have shown significant advancements in agility, intelligence, and efficiency over the past few decades. However, their endurance and overall performance remain limited by the onboard power supplies. Current power sources typically restrict mobile robots to areas close to the electrical grid and necessitate heavier batteries for extended range. Energy refueling could be significantly […]

ESE Seminar: “Designing emerging computing systems with ferroelectric devices”

Greenberg Lounge (Room 114), Skirkanich Hall 210 South 33rd Street, Philadelphia, PA, United States

This talk will present a brief overview of advances in ferroelectric devices and their integration into computing systems to provide novel functionality and energy efficiency in various data intensive applications. The talk will emphasize on cross-stack design opportunities in designing stacked intelligent 3D memory systems.

MEAM Seminar: “Examples of Elasto-Capillary Mediated Interactions on Thin Elastic Film”

Levine 307 3330 Walnut Street, Philadelphia, PA, United States

I plan to tell two short stories. The first story is about a new drop fluidics that uses a deformable and stretchable elastomeric film as the platform. Such a soft film decorated with magnetic particles can be deformed locally with an external magnetic field. When these deformations are coupled with capillary force, small liquid drops […]

MEAM Seminar: “Tribosintering of Metal Oxide Nanocrystal Antiwear Additives: Growth, Wear, and Modeling”

Room 337, Towne Building 220 South 33rd Street, Philadelphia, PA, United States

Machinery relies on lubrication to regulate the friction and wear at contacting interfaces. As new lubricants become less viscous to comply with environmental and cost-saving standards, the risk of surface-initiated machine failure grows. We show that metal oxide additives in low-viscosity lubricants will form protective coatings, or tribofilms, in situ at contacting interfaces. Compared to […]

BE/PICS Joint Seminar: Uma Balakrishnan and Kunal Poorey, Sandia National Laboratories

Room 534 A Wing, 3401 Walnut 3401 Walnut Street, Philadelphia, PA, United States

These talks will be held jointly, with each talk 30 minutes each (1 hour total). Talk 1: "Optimizing Anomaly Detection for GenAI based Digital Twins of Wearable Data" (Uma Balakrishnan) In this presentation, we introduce a methodology that utilizes both real and synthetic datasets (digital twins) to address the uncertainties associated with anomaly detection thresholds […]

MEAM Seminar: “Bio-inspired Architected Materials/Structures with Enhanced Failure Characteristics”

Heilmeier Hall (Room 100), Towne Building 220 South 33rd Street, Philadelphia, PA, United States

Structural failure is a critically important design consideration in many engineering applications. Nature provides a number of interesting examples of lightweight structural features that exhibit outstanding failure characteristics. Recent progress in additive manufacturing has facilitated precise control over geometric features, allowing for the implementation of bio-inspired structural designs on a layer-by-layer basis. In this talk, […]

MEAM/MSE Special Seminar: “Starfish-Inspired Tubefeet for Temporary Underwater Adhesion”

Towne 227 (MEAM Conference Room) 220 S. 33rd Street, Philadelphia, PA, United States

Temporary and switchable underwater adhesion plays an important role in robotic underwater locomotion and transportation. The physical features of the suction cups of octopuses have been mimicked, where the vacuum chamber formed by the deformation of these cups enable strong adhesion. However, the works mainly focused on the strength of the underwater adhesion. For the […]