Labs in The University of Osaka, School of Engineering

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The lab uses positrons and computation to investigate defects in materials at the atomic level.

The Araki Lab (Quantum Functional Materials Design) uses positrons, the antimatter counterpart of electrons, to observe the internal structure of materials at the atomic scale. The lab investigates how metallic materials such as aluminum alloys for automobiles and high-strength steels, high-entropy alloys, and alloys made with metal 3D printers come to show excellent properties. By combining experiments using positrons with computer simulation based on first-principles calculations, the lab conducts research aimed at designing new materials.

#Positron annihilation spectroscopy #Lattice defects #First-principles calculations

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A lab that aims to advance and apply systems such as autonomous driving and drones.

The Intelligent Systems Lab (Takai Lab) explores clues to a richer future for people and society through system development. One of its research topics, “discrete event systems,” was used in the “automation” that flourished at production sites such as factories from around the 1960s. Such systems have continued to develop over time and are still used today in a wide range of fields, including autonomous driving, drone piloting, and the operation and management of unmanned logistics warehouses. Research themes include adaptation to unknown environments, path planning for wirelessly powered drones, control of large language models, and exploration of the lunar polar regions.

#Adaptive safety control #Wirelessly powered drones #Large language models

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A lab that studies sensing of weather phenomena using radar and satellites.

The Sensing Systems Lab (Tomoo Lab) conducts research on developing sensing systems centered on weather phenomena. The lab develops phased array weather radar and wideband weather radar, and works with JAXA in joint research on GSMaP, a near-real-time global rainfall distribution map based on satellite observations. The 2021 home page introduction also lists research on support vector machines and the development of an optimal solution search method using chaotic dynamics. The lab accepts undergraduate students and graduate students of the Division of Electrical, Electronic and Infocommunications Engineering.

#Weather radar #Satellite rainfall observation #Lightning observation

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A nanoelectronics lab that builds sensors and semiconductor devices from carbon materials.

The Nanomaterial Electronics Lab studies electronic devices, focusing on carbon materials as a leading candidate for a new semiconductor material to replace silicon. Carbon is a material with diverse properties, ranging from wide-bandgap semiconductors such as diamond to high-mobility zero-bandgap semiconductors such as graphene. Its research rests on two pillars: developing gas sensors using carbon nanotubes and two-dimensional materials, and growing diamond crystals and applying them to devices. Its goal is to realize “carbon electronics,” a foundation for next-generation electronic devices.

#Carbon nanotubes #Gas sensors #Diamond semiconductors

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A lab that explores electricity from generation to use by evaluating and modeling its components.

The Power Systems Lab (Funaki Lab) looks ahead to carbon neutrality by 2050 and covers education and research on electricity from generation to use. The lab evaluates and designs the components of power systems, such as generators, solar cells, power semiconductor devices, and motors, and builds systems that combine them. In evaluation and design, the lab also carries out modeling based on theory and experimental values using mathematical analysis methods, as well as parameter identification and optimization. On the lab's website, it is introduced under the name "Funaki Lab."

#Power systems #Modeling #Numerical simulation

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A materials lab that grows crystals that generate ultraviolet light, as well as GaN crystals.

The Materials Innovation Lab aims to create materials innovation that will be key to solving future challenges in environmental issues, the advanced information society, and the aging society. The lab conducts education and research in particular on optical crystals essential for AI manufacturing, nitride semiconductor crystals essential for 5G and power devices, and biological compound crystals that help prevent disease. The lab puts into practice everything from basic research to commercialization through industry-academia collaboration and venture creation. On the lab's website, it is introduced under the name "Mori Lab."

#Wavelength conversion crystals #GaN crystals #Nitride semiconductors

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A lab that generates multiply charged ion beams from ECR plasma and puts them to use.

The Advanced Beam Systems Engineering Lab studies the development of ion sources that produce multiply charged ions using ECR plasma, and the applications of the ion beams extracted from them. Plasma, also called the fourth state of matter, consists of charged particles and neutral particles and behaves differently from a gas. ECR ion sources can produce relatively high-density plasma even at low pressure, and are used in a wide range of fields, including ion implantation, heavy-ion cancer therapy, ion engines, the search for new elements, and endohedral fullerenes. The lab aims to realize a universal source that can produce a variety of ion species with a single device.

#ECR ion sources #Heavy ion cancer therapy #Ion beams

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The lab is working on third-generation semiconductor lasers.

The Information Device Lab (Kondow Lab) studies new semiconductor materials and devices. The lab studies photonic crystals, which are nanoscale ultrafine structures, and new semiconductor materials such as GaInNAs, through both theory and experiment. The entire lab is also committed to developing devices for realizing third-generation semiconductor lasers. On the lab's website, it is introduced under the name "Kondow Lab."

#Semiconductor lasers #Photonic crystals #Semiconductor materials

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The lab explores new physical properties, devices, and systems using semiconductor-based optical materials.

The Novel Functional Materials Lab studies optical materials, centered on wide-bandgap semiconductors. The lab aims to explore previously unknown physical properties and to propose and create device structures and systems. Examples include the lab's own development of a gigabit-class deep-ultraviolet LED optical wireless communication system for 6G and a new spectroscopic analysis technique (ODPL spectroscopy). On the lab's website, it is introduced under the name "Kojima Lab."

#Wide-bandgap semiconductors #Deep-ultraviolet LEDs #ODPL spectroscopy

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A lab in the field of organic electronics devices.

The Organic Electronics Device Lab is run by Professor Kazunobu Kojima of the Graduate School of Engineering, Osaka University. Professor Kazunobu Kojima is listed on the official page of the Photonics Center, Osaka University, as the person in charge of a member lab of the center.