Thematic Programs

Creating a New Frontier through the Synergy of Quasicrystals and Strongly Correlated Electron Systems

Information

This meeting is organized by “Hypermaterials”, Innovation of materials science in hyper space, Ministry of Education, Culture, Sports, Science, and Technology, Grant–in–Aid for Scientific Research on Innovative Areas (Research in a proposed research area) for FY 2019 – 23, and collaboratively by Tohoku University (TFC), and supported by Network Joint Research Center for Materials and Devices, Dynamic Alliance for Open Innovation Bridging Human, Environment and Materials.

*This lecture will be delivered in English.

Date

February 18, 2020 – February 20, 2020

Venue

・TOKYO ELECTRON House of Creativity 3F, Lecture Theater, Katahira Campus, Tohoku University [Access]

Organizing committee

Hiroyuki Takura (Hokkaido University)
Ryuji Tamura (Tokyo University of Science)
Nobuhisa Fujita (IMRAM, Tohoku University)

Invited Speakers

Marc de Boissieu (CNRS, UGA, Grenoble INP)
Wolf Widdra (Martin Luther University of Halle–Wittenberg)
Cesar Baban Pay Gómez (Ångström Laboratory, Uppsala University)
Jens R. Stellhorn (Hiroshima University)

Time Schedule

Tuesday, February 18, 2020

10:00 – 10:30

Registration

10:30 – 10:40

Opening

Session 1: Synthesis of Hypermaterials

Chair: Kazuhiko Deguchi (Nagoya University)

10:40 – 11:00

Ryuji Tamura (Tokyo University of Science)

Synthesis of magnetic hypermaterials

11:00 – 11:20

Tsutomu Ishimasa (Toyota Physical and Chemical Research Institute)

Modulations in Tsai–type: the problems can be solved but could not be solved

11:20 – 11:40

Kaoru Kimura (University of Tokyo)

Search for semiconducting quasicrystal and high–performance thermoelectric material II

11:40 – 12:00

Yuji Muro (Toyama Prefectural University)

Magnetic property of rare–earth based Shastry–Sutherland lattice systems as a decagonal quasicrystalline approximant

12:00 – 12:20

Tsunetomo Yamada (Tokyo University of Science)

4–dimensional structure model of the Ti–O–Ba quasicrystalline thin film

12:20 – 13:30

Lunch

Session 2: Hypermaterials Informatics and the Search for Hidden Orders

Chair: Kaoru Kimura (University of Tokyo)

13:30 – 13:50

Ryo Yoshida (Institute of Statistical Mathematics)

High–throughput screening with supervised machine learning

13:50 – 14:10

Yukari Katsura (University of Tokyo)

Element descriptors and compound maps from the crystal structure database

14:10 – 14:30

Akiji Yamamoto (National Institute for Materials Science)

Implementation of Band Calculation Methods in Quasicrystals to QE

14:30 – 14:45

Coffee Break

Session 3

Chair: Nobuhisa Fujita (IMRAM, Tohoku University)

14:45 – 15:05

Satoshi Ohhashi (Tohoku University)

In–situ TEM observation for the re–precipitation of Mg–Cd–Yb quasicrystals in Mg matrix

15:05 – 15:25

Yutaka iwasaki (University of Tokyo)

Carrier doping effect on thermoelectric properties of Al–Si–Ru quasicrystalline approximant

15:25 – 15:45

Keiichiro Imura (Nagoya University)

Magnetic property of mixed–valence Yb–based quasicrystals and approximant crystals

15:45 – 16:00

Coffee Break

16:00 – 17:50

Poster session (AIMR 1st floor, Meeting Room, Katahira Campus)

Wednesday, February 19, 2020

Session 4: Physics of Hypermaterials and the Search for Hidden Orders

Chair: Yoshiki Takagiwa (National Institute for Materials Science)

09:00 – 09:20

Kazuhiko Deguchi (Nagoya University)

Magnetism and substitution effect of Quasicrystals and Approximants with Tsai–type clusters

09:20 – 09:40

Akihisa Koga (Tokyo Institute of Technology)

Ordered states in the strongly correlated electron systems on the Penrose tiling

09:40 – 10:00

Takanori Sugimoto (Tokyo University of Science)

Quantum Criticality in Spin–Cantor Model II

10:00 – 10:20

Yoichiro Hashizume (Tokyo University of Science)

Thermodynamic properties and entropy production on Cantor lattice Ising model

10:20 – 10:40

Keiichi Edagawa (University of Tokyo)

High dimensionality in growth and specific heat of quasicrystals

10:40 – 11:00

Coffee break

Session 5: Special session for young researchers (English session1)

Chair: Hiroyuki Takakura (Hokkaido University)

11:00 – 11:40

Marc de Boissieu (CNRS, UGA, Grenoble INP)

Physical properties of aperiodic crystals and superspace approach

11:40 – 12:00

Farid Labib (Tohoku University)

Magnetic properties of Icosahedral quasicrystals and their cubic approximants in Cd–Mg–RE (RE = Gd, Tb, Dy, Ho, Er, Tm) systems

12:00 – 12:20

Sam Coates (Tokyo University of Science)

Initial surface studies of the (111) termination of the 1/1 Au–Al–Tb approximant

12:20 – 13:30

Lunch

Session 6: Special session for young researchers (English session2)

Chair: Ryuji Tamura (Tokyo University of Science)

13:30 – 14:10

Wolf Widdra (Martin Luther University of Halle–Wittenberg)

Dodecagonal oxide quasicrystals in real space, perp space and reciprocal space

14:10 – 14:30

Koichi Kitahara (University of Tokyo)

Thermoelectric Properties of Al–Cu–Ir Quasicrystalline Approximant

14:30 – 15:50

Shintaro Suzuki (Tokyo University of Science)

Synthesis and Magnetic properties of Au–SM–Ce 1/1 approximants

14:50 – 15:10

Coffee break + photo

Session 7: Special session for young researchers (English session3)

Chair: Taku J. Sato (Tohoku University)

15:10 – 15:50

Cesar Baban Pay Gómez (Ångström Laboratory, Uppsala University)

Functional Quasicrystals? – Harnessing the complexity of aperiodic intermetallic compounds

15:50 – 16:10

Takanobu Hiroto (National Institute for Materials Science)

Possible structural change originating from structural complexity and ambiguity of β–rhombohedral boron around 550 K

16:10 – 16:30

Jens R. Stellhorn (Hiroshima University)

Experimental Investigation of the Local Atomic Structure in Decagonal Quasicrystals by X Ray Fluorescence Holography

16:30 – 16:45

Coffee break

Session 8

Chair: Kazuhiko Deguchi (Nagoya University)

16:45 – 17:05

Taku J. Sato (Tohoku University)

Magnetic structure and crystalline–electric–field anisotropy in the Au–Si–Tb approximant

17:05 – 17:25

Asuka Ishikawa (Tokyo University of Science)

Magnetic properties of Au–SM–RE(RE = Eu,Gd,Tb) approximatnts

16:25 – 16:45

Kazuki Nozawa (Kagoshima University)

First–principles study of single–element quasiperiodic ultra–thin film of Bi

17:45 – 18:00

Break

18:00 – 20:00

Get–together (Kitamon Kaikan 2F Espace)

Thursday, February 20, 2020

Session 9: Structure of Hypermaterials

Chair: Tsunetomo Yamada (Tokyo University of Science)

09:30 – 09:50

Hiroyuki Takakura (Hokkaido University)

A new quasicrystalline approximant in the Al–Mg–Zn system

09:50 – 10:10

Nobuhisa Fujita (IMRAM, Tohoku University)

Atomic nets and packings in hypermaterials

10:10 – 10:30

Yoshitaka Matsushita (National Institute for Materials Science)

Empirical Rietveld analysis using COMBO

10:30 – 10:50

Tetsu Watanuki (National Institutes for Quantum and Radiological Science and Technology)

Present status of Bragg coherent X–ray diffraction imaging at QST

10:50 – 11:10

Masato Matsuura (Comprehensive Research Organization for Science and Society)

Summary of previous studies and future plan of phonons in quasicrystals

11:10 – 11:40

Review

11:40 – 11:50

Closing

Abstract

– Download [PDF]

Organizer

Hypermaterials, Innovation of materials science in hyperspace, Ministry of Education, Culture, Sports, Science, and Technology, Grant–in–Aid for Scientific Research on Innovative Areas (Research in a proposed research area) for FY 2019 – 23

Co–sponsorship

Network Joint Research Center for Materials and Devices, Dynamic Alliance for Open Innovation Bridging Human, Environment and Materials

Link

Contact

Email: takakura*eng.hokudai.ac.jp (change * to @)