Articles

Articles published in RIKEN Research and RIKEN News introducing the research of the RIKEN Center for Emergent Matter Science

  • Jun 10, 2017 RIKEN RESEARCH A skyrmion square dance
    Applying a magnetic field can switch a grid of magnetic vortices between triangular and square arrangements
  • Apr 20, 2017 RIKEN RESEARCH
    A method for calculating physical effects in materials with strong interactions between their electrons holds promise for analyzing these intriguing materials
  • Apr 14, 2017 RIKEN RESEARCH Putting a block on dot-to-dot
    Optimizing the tunneling of electrons between nanoscale electronic structures could aid the development of quantum computers
  • Mar 24, 2017 RIKEN RESEARCH Plugging leaks in printable logic
    Self-assembling thin films make it possible to produce flexible electronic devices using a single plastic transistor
  • Mar 03, 2017 RIKEN RESEARCH Weyl fermions, on the other hand
    Analogs of undiscovered elementary particles are predicted to exhibit an unusual effect in exotic materials
  • Feb 03, 2017 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
  • Jan 06, 2017 RIKEN RESEARCH Sturdy skyrmions stack up
    A new form of low-power computing that uses miniscule magnetic whirlpools to store and process data is a step closer to becoming a reality
  • Dec 16, 2016 RIKEN RESEARCH Exotic quantum technology realized using normal silicon
    Quantum circuits based on industry-standard silicon offer a route to scalable quantum computers
  • Dec 02, 2016 RIKEN RESEARCH Photonic water shows nanosheets’ true colors
    Aqueous suspensions of nanosheets that can be tuned to reflect over a wide range of wavelengths could lead to smarter optical filters and sensors
  • Nov 25, 2016 RIKEN RESEARCH Single photon excites two atoms at once
    Calculations reveal how one particle of light can excite two atoms simultaneously
  • Nov 18, 2016 RIKEN RESEARCH Switched-on skyrmions
    A lattice of magnetic vortices can be created or destroyed simply by applying an electric field
  • Oct 28, 2016 RIKEN RESEARCH The search for disorder in order
    A signature of an exotic state of matter that remains disordered even at very low temperatures has been experimentally identified
  • Oct 21, 2016 RIKEN RESEARCH ‘Snap freezing’ produces different state
    The state that a correlated-electron material adopts on cooling depends on how rapidly it is cooled
  • Sep 30, 2016 RIKEN RESEARCH Fluorine offers solar power boost
    Tweaking the chemical composition of polymer solar cells improves efficiency and voltage
  • Sep 02, 2016 RIKEN RESEARCH Super-material holds a quantum surprise
    An innovative deposition system unlocks possible quantum applications inside multifunctional metal oxide thin films
  • Aug 19, 2016 RIKEN RESEARCH A changed exchange for magnetic materials
    A method for controlling the magnetic texture of exotic materials offers a route to realizing the next generation of electronic devices
  • Aug 05, 2016 RIKEN RESEARCH Mystery solved in superconductor electron patterns
    Controlling an unusual ordering of charges could boost superconducting behavior
  • Jul 29, 2016 RIKEN RESEARCH A new tilt on an old particle
    When recreated in a solid, fundamental particles predicted over 80 years ago could exhibit more exotic properties than anticipated
  • Jul 08, 2016 RIKEN RESEARCH Photovoltaics stand to profit from electronic ‘catastrophes’
    Spontaneous redistribution of charge at nanometer-thin interfaces unlocks a fundamentally different technique for harvesting solar energy
  • Mar 25, 2016 RIKEN RESEARCH Single-atom lasers change gears
    Single-atom lasers that emit one light particle at a time are predicted to be switchable between two activity regimes
  • Jan 29, 2016 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
  • Jan 22, 2016 RIKEN RESEARCH Microwave synthesis ‘zaps’ graphene to perfection
    A simple procedure turns bulk graphite crystals into atomically thin super materials and magnetically aligned gels
  • Jan 15, 2016 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
  • Dec 18, 2015 RIKEN RESEARCH Helical pores make perfect hosts
    A porous framework consisting of liquid crystals aids the study of intriguing optical phenomena
  • Dec 11, 2015 RIKEN RESEARCH Metal−oxide interfaces create a flipping point
    Coating nanowires with an oxide layer can enhance by an order of magnitude the probability of ‘spin flips’ for spintronic devices
  • Dec 04, 2015 RIKEN RESEARCH Building better bilayers
    A strategy for generating stable lipid bilayers could simplify the study of biologically important membrane proteins
  • Nov 27, 2015 RIKEN RESEARCH A sensitive approach to atom counting
    Measurements of scattered photons can be used to detect the number of atoms trapped in the troughs of an optical lattice
  • Nov 20, 2015 RIKEN RESEARCH Melting of frozen frustrations
    Computations reveal how quantum interactions can break a deadlock in magnetic spin ice oxides
  • Nov 13, 2015 RIKEN RESEARCH Mind the gap!
    Scanning tunneling microscopy is used to probe electrons in an unconventional superconductor, and uncovers an unexpected energy gap
  • Nov 06, 2015 RIKEN RESEARCH Light-absorbing polymers stand to attention
    By lining up vertical strands of a polymer, researchers probe the unusual optical properties of thin films
  • Oct 16, 2015 RIKEN RESEARCH A hydrogel flexes its muscles
    A water-based polymer can stretch, contract and even walk like an artificial muscle in response to temperature changes
  • Oct 09, 2015 RIKEN RESEARCH Characterizing electrons in the smallest devices
    A technique for investigating the magnetic properties of electrons in quantum point contacts leads to a better understanding of these quantum devices
  • Oct 09, 2015 RIKEN RESEARCH Magnetic material feels the strain
    Stretching a material offers a way of tuning an exotic form of magnetism
  • Sep 25, 2015 RIKEN RESEARCH Entangled atoms
    The observation of quantum entangled atoms has important implications for quantum information processing
  • Sep 25, 2015 RIKEN RESEARCH A magnetic memory bubbling with opportunity
    Ultrafast laser pulses can manipulate ‘bubble’ domains for future spintronic and logic devices
  • Sep 11, 2015 RIKEN RESEARCH Materials enter a new phase
    Building materials one atomic layer at a time aids the search for exotic phases of matter
  • Sep 04, 2015 RIKEN RESEARCH Spins on the edge
    The edges of thin films could provide an ideal laboratory for studying the behavior of electron spins
  • Aug 28, 2015 RIKEN RESEARCH Electrons take a phonon bath
    A theoretical model enables the first exact and universal description of electrons moving in a ‘bath’ of atomic vibrations
  • Aug 28, 2015 RIKEN RESEARCH Electrons that stick together, superconduct together
    A newly uncovered electron-pairing mechanism challenges accepted wisdom in superconductor physics
  • Aug 07, 2015 RIKEN RESEARCH Spins in artificial atoms resemble those in natural ones
    A study of an artificial molecule containing five electrons reveals similarities with spin filling of natural atoms
  • Jul 03, 2015 RIKEN RESEARCH A surprisingly simple magnetic flip
    A simple technique makes it possible to control the spin directions of ‘magnetic twins’ hiding inside metallic crystals
  • Jun 26, 2015 RIKEN RESEARCH Interfering light waves produce unexpected forces
    Two interfering planar waves of light can exert a surprising perpendicular force and torque on small particles
  • Jun 19, 2015 RIKEN RESEARCH A bundled attraction
    A magnetic field and a protein jacket are all that is needed to create bundles of one-dimensional arrays of ‘superparamagnetic’ nanoparticles
  • Jun 12, 2015 RIKEN RESEARCH Working at the interface for future energy
    The efficiency of polymer solar cells could be improved by precisely controlling the interface between organic layers
  • May 29, 2015 RIKEN RESEARCH Even steps to quantum computation
    A rare class of quantum state that could be useful in information processes is observed in a two-dimensional oxide material system
  • May 18, 2015 RIKEN RESEARCH Flicking the switch on spin-driven devices
    Compressing magnetically and electrically active crystals in one direction unlocks exotic spintronic switching activity
  • May 09, 2015 RIKEN RESEARCH Squeezing light for stronger vibrations
    Precise control of interactions between light and vibrating mirrors at the level of single light particles could open a new field of complex quantum physical states
  • Apr 03, 2015 RIKEN RESEARCH One at a time, please
    Polymers held together by multiple weak intermolecular interactions but with tight control over the number of monomer units in each chain have been prepared for the first time
  • Mar 09, 2015 RIKEN RESEARCH Nanosheets line up to mimic nature
    A composite material mimics the properties of natural cartilage by exploiting the repulsion of like charges
  • Mar 09, 2015 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
  • Jan 28, 2015 RIKEN RESEARCH Particles find their mass
    Simulations indicate that a peculiar state of matter at close to absolute zero could be used to observe an elusive quantum phenomenon called quantum mass acquisition
  • Dec 19, 2014 RIKEN RESEARCH Skyrmions like it hot
    Pinpoint laser heating creates a maelstrom of magnetic nanotextures
  • Nov 28, 2014 RIKEN RESEARCH Electron quantum states set free
    A vortex of electrons provides unprecedented information on magnetic quantum states in solids
  • Nov 17, 2014 RIKEN RESEARCH Electrons move in different circles
    Scanning tunneling microscopy reveals the exotic properties of an unusual type of electron
  • Oct 28, 2014 RIKEN RESEARCH Multiplying solar harvests with ‘correlated’ technology
    Strongly interacting electrons turn oxide interfaces into magnetically controlled and extra-efficient solar cells
  • Oct 17, 2014 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
  • Oct 17, 2014 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
  • Oct 10, 2014 RIKEN RESEARCH A critical point for the materials of tomorrow
    Theoretical calculations predict an exotic state of matter in which electrons barely interact with each other
  • Sep 30, 2014 RIKEN RESEARCH Exploring the potential of ‘valleytronics’
    Harnessing an unusual ‘valley’ quantum property of electrons offers a new possibility for next-generation electronics
  • Sep 16, 2014 RIKEN RESEARCH Magnetism intensified by defects
    Electron microscopy reveals how certain nanoscale crystal defects can dramatically intensify ferromagnetism in metal alloys
  • Aug 29, 2014 RIKEN RESEARCH Back to the future for quantum computers
    An oscillator once used to build early computers could become a core part of quantum computers
  • Aug 29, 2014 RIKEN RESEARCH Separating the buckybowl twins
    Selective enrichment of one of the mirror-image forms of corannulene molecules could lead to exciting new possibilities in nanotechnology
  • Aug 15, 2014 RIKEN RESEARCH Thin films reveal hidden potential
    Thin films of oxide materials reveal topological electronic properties hidden in the three-dimensional form
  • Aug 08, 2014 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
  • May 30, 2014 RIKEN RESEARCH The shape of spins to come
    Electron holography reveals the startling beauty of nanoscale magnetic vortices targeted for future spintronic data storage systems
  • May 23, 2014 RIKEN RESEARCH Split beams reveal the fine print
    A holographic technique for imaging electric fields in the vicinity of toner microparticles could lead to higher-quality printing
  • May 16, 2014 RIKEN RESEARCH A glimpse into the quantum world
    A general theory describes how averaging over many quantum weak measurements makes it possible to probe quantum systems experimentally
  • Apr 25, 2014 RIKEN RESEARCH A new twist in the properties of light
    Evanescent electromagnetic waves are found to have very different fundamental dynamical properties to those of normal light
  • Mar 20, 2014 RIKEN RESEARCH Unraveling a quantum phase transition
    Phase transitions between different states of matter are normally driven by random thermal motions of atoms. However, when phase transitions occur at temperatures approaching absolute zero, quant ....
  • Mar 20, 2014 RIKEN RESEARCH Dance of the skyrmions
    Skymions are ‘whirls’ in the magnetization of certain magnetic materials that show promise for future electronics and spintronics applications if they can be harnessed and manipulated.
  • Mar 14, 2014 RIKEN RESEARCH An exotic phase to manipulate spin
    In conducting materials, free electrons can move from one point to another, conveying their electrical charge to produce an electrical current. Electrons have another property, known as spin, tha ....
  • Nov 15, 2013 RIKEN RESEARCH Taking the measure of skyrmions
    Twisting magnetic patterns known as skyrmions could become effective data carriers in a new generation of computers if researchers can understand how to create and control them
  • Mar 20, 2015 RIKEN RESEARCH The universal nature of three-body attraction
    A study of the interaction among three objects in peculiar resonant systems uncovers an unexpected universality

Research