CANCELLED // ONLINE - Fundamentals and Applications of Spintronics
CIC nanoGUNE Seminars
- Speaker
-
Hiromi Yuasa, Kyushu University
- When
-
2022/05/16
12:00 - Place
- nanoGUNE webinar online
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**Fundamentals and Applications of Spintronics**
Hiromi Yuasa
Kyushu University
[hiromi.yuasa@ed.kyushu-u.ac.jp ](mailto:hiromi.yuasa@ed.kyushu-u.ac.jp)
Spintronics is research or engineering for controlling the spin degrees of
freedom of electrons. The main parameter of spintronics is spin, whereas in
electronics it is electron. Since the spin becomes clear when a magnetic field
is applied, the spin originally exists in the magnetic material due to the
internal magnetic field. The most influential and successful market is the
high density of hard disk drives (HDDs), which has led the era of big data.
Later, non-volatile random access memory (MRAM) has been developed and non-
volatile high-speed operating memory was shipped. It is one of technologies
realizing the ultra-low power consumption computer systems. What is
interesting about the nature of spin is that information flows even when no
current flows. If the same number of up-spins and down-spins flow in opposite
directions, the information carrier can be transferred without Joule loss.
Spin interacts with various parameters in environment. One of them is the
phenomenon of converting heat flow into electromotive force. It enables
thermoelectric generation with a simple and uniform shape, that is one
candidate of energy harvesters. If low power consumption and minute power
generation are realized, we can contribute to the realization of an energy
harvesting IoT society. In the seminar, let me introduce some characteristic
phenomena and devices.
**Host:** A. Berger
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ONLINE nanoGUNE: Hiromi Yuasa, Kyushu University - CIC nanoGUNE
When: May 16, 2022 10:00 AM
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