Multiferroics/Magnetics/Spintronics https://www.mrsec.org/taxonomy/term/10/all en 2D Polar Metals and Heterostructures https://www.mrsec.org/research/2d-polar-metals-and-heterostructures <div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p><img alt="" src="https://www.mrsec.org/sites/default/files/IRG1_Penn%20State_2020.png" style="width:400px; margin:5px; float:left; height:285px" />IRG1 pursues the promise of a new materials platform that stabilizes a diverse array of two-dimensional polar metals and enables their integration into ground-breaking optically and electronically active heterostructures. Metals and alloys sit at the heart of materials research, but their susceptibility to surface oxidation has impeded their investigation in atomically thin form or as pristine surfaces exposed to the ambient environment.</p></div></div></div> Tue, 20 Oct 2020 15:05:21 +0000 divya.abhat 6601 at https://www.mrsec.org Complex Metal Oxides https://www.mrsec.org/research/complex-metal-oxides <div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p>Complex metal oxides are a diverse and highly versatile class of materials that can exhibit scientifically and technologically important behaviors ranging from magnetism to piezoelectricity.  New technologies and new fields of applications can be realized by expanding the scope of available ionic compositions and increasing the geometric complexity of nanostructures formed from crystalline oxide materials.</p></div></div></div> Wed, 30 Jan 2019 16:26:25 +0000 ashish.tonse 6408 at https://www.mrsec.org Controlling Electrons at Interfaces https://www.mrsec.org/research/controlling-electrons-interfaces <div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p><img src="http://stanford.edu/group/mrsec/research/logo_irg_1.gif" alt="logo_irg_1.gif" /> <strong>IRG</strong><strong> Senior Participants: </strong> <a href="http://www.chem.cornell.edu/faculty/index.asp?fac=11" rel="nofollow">Héctor Abruña</a> (C&amp;CB, co-leader), <a href="http://www.physics.cornell.edu/profpages/Ralph.htm" rel="nofollow">Dan Ralph</a> (Phys, co-leader), Piet Brouwer (Phys), Robert Buhrman (A&amp;EP), J. C. Séamus Davis (Phys), Paul McEuen (Phys), David Muller (A&amp;EP), Sandip Tiwari (ECE), R. Bruce van Dover (MS&amp;E) </p></div></div></div> Sun, 13 Mar 2016 22:50:40 +0000 cornell 5521 at https://www.mrsec.org Creation and Control of Metal/Magnetic-Insulator Interfaces https://www.mrsec.org/research/creation-and-control-metalmagnetic-insulator-interfaces <div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p>IRG-1 focuses on magnetic interactions at interfaces between metals and magnets. This team creates novel materials and systems that enable control of atoms at the interface between metals and magnets, determines the structure of the interface using high resolution microscopy, and investigates magnetic configurations and excitations using a variety of transport, magnetic and fast optical probes. Theoretical studies guide scientific directions and choice of materials and provide insight into experimental results.</p></div></div></div> Wed, 12 Aug 2020 12:29:04 +0000 divya.abhat 6568 at https://www.mrsec.org Crystalline Oxides with High Entropy https://www.mrsec.org/research/crystalline-oxides-high-entropy <div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p><img alt="" src="https://www.mrsec.org/sites/default/files/IRG2_Penn%20State_2020.jpg" style="width:400px; height:237px; margin:5px; float:left" />Crystals with high configurational entropy, engineered through chemical formulation, exhibit unique composition-structure-property combinations that are absent when chemical order prevails. These high-entropy materials follow unexpected crystal chemistry rules and hold promise for new functional properties.</p></div></div></div> Tue, 20 Oct 2020 15:07:34 +0000 divya.abhat 6602 at https://www.mrsec.org Designing Functionality into Layered Ferroics https://www.mrsec.org/research/designing-functionality-layered-ferroics <div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p>IRG1, Designing Functionality into Layered Ferroics, will showcase materials discovery by design for electric field control of electronic, optical, magnetic and structural response of materials starting from the level of atoms. The goal is to design and discover fundamental new mechanisms and material classes of acentric layered oxides with strong coupling to spin, charge, and lattice degrees of freedom.</p></div></div></div> Sun, 13 Mar 2016 22:50:40 +0000 pennstate 5528 at https://www.mrsec.org Development of Ultra-Coherent Quantum Materials (IRG 3) https://www.mrsec.org/research/development-ultra-coherent-quantum-materials-irg-3 <div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p></p></div></div></div> Sun, 13 Mar 2016 22:50:40 +0000 princeton 5529 at https://www.mrsec.org Electrostatic Control of Materials https://www.mrsec.org/research/electrostatic-control-materials <div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p><strong>The vision of IRG-1, Electrostatic Control of Materials, is to use a set of new techniques for electrostatic manipulation of charge carrier density at material surfaces as a universal platform to probe and control electronic properties in novel materials.</strong><span> Recently developed methods based on ionic liquids, ionic gels, and solid electrolyte structures are being used to generate unprecedented charge densities in a variety of materials, up to significant fractions of an electron per unit cell, enabling dramatic property modification.</span></p></div></div></div> Sun, 13 Mar 2016 22:50:40 +0000 umn 5537 at https://www.mrsec.org Functional Heteroanionic Materials via the Science of Synthesis https://www.mrsec.org/research/functional-heteroanionic-materials-science-synthesis <div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p>This IRG develops new heteroanionic materials with tunable electronic, ionic, thermal, and optical properties, which are otherwise inaccessible from simpler homoanionic structures and chemistries. Discovery of heteroanionic materials are facilitated by synthetic and characterization methods that provide a panoramic view of crystallization and diffusion processes in which emerging phases of interest are revealed and growth mechanisms are delineated.</p></div></div></div> Sun, 13 Mar 2016 22:50:40 +0000 northwestern 5545 at https://www.mrsec.org Harnessing Mixed Anion Systems to Create Novel Magnetic Properties https://www.mrsec.org/research/harnessing-mixed-anion-systems-create-novel-magnetic-properties <div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p>Precise synthetic control of the local electronic structure of metal centers within materials offers the potential to engender exotic physical properties. In particular, tuning the electronic structure of metal centers enables the creation of strongly correlated electron systems, enabling researchers to ask fundamental questions about magnetism and superconductivity. Within this Seed, a team of researchers is working on harnessing classes of mixed anion systems to discover and manipulate magnetic and superconducting properties of materials.</p></div></div></div> Sun, 13 Mar 2016 22:50:48 +0000 northwestern 5580 at https://www.mrsec.org Ionic Control of Materials https://www.mrsec.org/research/ionic-control-materials <div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p>The goal of this research group is to understand the mechanisms, capabilities, and applications of electrostatic and electrochemical gating and to gain electrical control over a wide range of electronic phases and functions.</p> </div></div></div> Wed, 05 Aug 2020 15:38:33 +0000 umn 6565 at https://www.mrsec.org Magnetic Heterostructures https://www.mrsec.org/research/magnetic-heterostructures <div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p><a href="https://www.mrsec.org/sites/default/files/research/wp-content/uploads/2008/10/irg3.jpg" title="UMN IRG3"><img src="https://www.mrsec.org/sites/default/files/research/wp-content/uploads/2008/10/irg3.thumbnail.jpg" alt="UMN IRG3" /></a>Magnetic Heterostructures uses advanced materials synthesis, novel measurement techniques and innovative theoretical approaches to explore spin transport across interfaces and in confined geometries.</p></div></div></div> Sun, 13 Mar 2016 22:50:48 +0000 umn 5559 at https://www.mrsec.org Magnetic Intermetallic Mesostructures https://www.mrsec.org/research/magnetic-intermetallic-mesostructures <div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p>Remarkable electrical, magnetic, and thermal phenonmena exist in functional intermetallics, and this richness stands to be amplified via multiscale microstructural design capable of further unlocking and harnessing their properties.  Hierarchically structured thermoelectric materials with high figures of merit exemplify the power and promise of this multiscale approach.  The materials challenge addressed in this IRG is to understand and develop unprecedented control over the couplings between strain, magnetization, and temperature (entropy) in single- and multiphase intermetallic compounds.</p></div></div></div> Sun, 13 Mar 2016 22:50:40 +0000 mrl-ucsb 5512 at https://www.mrsec.org Magnetoelectric Materials and Functional Interfaces https://www.mrsec.org/research/magnetoelectric-materials-and-functional-interfaces-0 <div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p>Magnetoelectric (ME) materials are at the frontier of materials research due to a variety of non-trivial coupling mechanisms interweaving electric and magnetic degrees of freedom. Their properties are in many aspects superior over today’s spintronic materials where the emphasis is on creating and manipulating spin-polarized (but nevertheless dissipating) electric currents.</p></div></div></div> Thu, 19 Oct 2017 20:31:06 +0000 unebraska 6294 at https://www.mrsec.org Mechanisms, Materials, and Devices for Spin Manipulation https://www.mrsec.org/research/mechanisms-materials-and-devices-spin-manipulation <div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p><strong>IRG Senior Participants:</strong><br /> Katja Nowack (Phys, co-leader), Dan Ralph (Phys, co-leader), Robert Buhrman (Appl Phys), Craig Fennie (Appl Phys),  Greg Fuchs (ApplPhys), Eun-Ah Kim (Phys), Kin Fai Mak (Phys), David Muller (ApplPhys), Farhan Rana (ElecE), Jie Shan (Appl Phys). </p> <p><strong>Collaborators:</strong> Tomas Arias (Cornell), Sol Gruner (Cornell), Darrell Schlom (Cornell). Industrial Collaborators: Qualcomm, Samsung, Western Digital</p></div></div></div> Sun, 13 Mar 2016 22:50:40 +0000 cornell 5508 at https://www.mrsec.org