強相関物性研究グループ

研究紹介記事

• 2021年08月19日RIKEN RESEARCH Electron–electron and spin–orbit interactions compete to control the electron

  

  The interactions that compete to control electron spin can give rise to novel electronic states useful for future quantum technologies

• 2020年07月17日RIKEN RESEARCH Skyrmions created in a centrosymmetric material lacking geometrical frustration

  

  Tiny magnetic swirls can form in a broader range of materials than have been used in previous experiments

• 2019年09月02日RIKEN RESEARCH Topological superconductivity studied in thin films

  

  A composite material reveals the relationship between superconductivity and exotic electronic states that could be useful in quantum computers

• 2018年10月19日RIKEN RESEARCH Anomalous Hall effect tested in defect-free thin-film magnetic semiconductor

  

  An improved understanding of why electrons take a curved path through magnetic materials could aid the design of the electronic devices of tomorrow

• 2018年04月20日RIKEN RESEARCH Electrical pulses shift the boundaries between magnetic patterns

  

  Electricity can be used to control magnetic patterns in an alloy, opening up the possibility of using them in high-performance devices

• 2018年04月13日RIKEN RESEARCH Anomalous and topological Hall effects can be controlled by an electric field

  

  Controlling the anomalous and topological Hall effects by applying an electric field could lead to new types of memory and logic devices

• 2018年03月16日RIKEN RESEARCH Domain walls allow dissipationless chiral edge conduction of electrons

  

  Chiral edge states could offer a way to store and manipulate information in low-power electronic devices

• 2018年03月02日RIKEN RESEARCH Axion insulator exhibits giant magnetoresistance at low magnetic fields

  

  The resistance of a new design of quantum material varies greatly with magnetic field, making it useful for novel devices

• 2018年02月23日RIKEN RESEARCH Chiral magnets show bulk diode effect due to spin fluctuation

  

  Materials with left- and right-handed responses to current exhibit an intriguing diode effect

• 2017年12月08日RIKEN RESEARCH Solar cells with a quantum shift

  

  A quantum-mechanical way of generating photocurrents may help solar devices overcome existing inefficiencies

• 2017年10月20日RIKEN RESEARCH Positive result for cuprate superconductor

  

  High-temperature superconductivity may be linked to the low-energy pairing of holes on oxygen sites

• 2017年02月03日RIKEN RESEARCH Magnetic bubbles pop up

  

  Skyrmionic bubbles, a potential data carrier in low-energy computing systems, can be controlled using temperature or a magnetic field

• 2016年11月18日RIKEN RESEARCH Switched-on skyrmions

  

  A lattice of magnetic vortices can be created or destroyed simply by applying an electric field

• 2016年01月29日RIKEN RESEARCH A better foundation for 3D memory

  

  The discovery of metal-like domain walls in magnetic insulators may help realize energy-efficient memory devices with massive storage capacities

• 2016年01月15日RIKEN RESEARCH Defrosting a magnetic mystery

  

  An intriguing quantum effect that is potentially useful for practical electronic devices has been realized at significantly higher temperatures than previously observed

• 2015年09月25日RIKEN RESEARCH A magnetic memory bubbling with opportunity

  

  Ultrafast laser pulses can manipulate ‘bubble’ domains for future spintronic and logic devices

• 2015年05月18日RIKEN RESEARCH Flicking the switch on spin-driven devices

  

  Compressing magnetically and electrically active crystals in one direction unlocks exotic spintronic switching activity

• 2015年03月09日RIKEN RESEARCH Skyrmions get a sonic touch

  

  The use of sound waves to probe nanoscale magnetic whirls called skyrmions could help to develop next-generation memory and data storage technology

• 2015年03月06日理研ニュース 新しい電磁気学を切り拓くスキルミオン

  

  2010年、理研創発物性科学研究センターの于秀珍上級研究員らは、磁石の中でたくさんの電子スピンが渦状に並んだ構造「スキルミオン」の直接観察に世界で初めて成功した。

• 2014年10月28日RIKEN RESEARCH Multiplying solar harvests with ‘correlated’ technology

  

  Strongly interacting electrons turn oxide interfaces into magnetically controlled and extra-efficient solar cells

• 2014年10月17日RIKEN RESEARCH Putting quantum forces on the map

  

  Mapping the relationship between two quantum effects in materials known as topological insulators could facilitate the development of quantum-based, low-power electronics

• 2014年10月17日RIKEN RESEARCH Light finds a one-way street

  

  A multiferroic material displays a novel spin structure that allows light to travel in only one direction

• 2014年08月08日RIKEN RESEARCH Boosting microelectronics with a little liquid logic

  

  The combination of ferroelectric crystal and ionic liquid could lead to a new class of transistor for fast, low-power memory and logic devices

• 2014年03月14日RIKEN RESEARCH An exotic phase to manipulate spin

  

  The experimental detection of an important quantum phenomenon in a semiconductor could lead to improved control of electron spin and the development of practical spintronics