Half-metallic ferromagnets: materials fundamentals for next-generation spintronics
Lead Research Organisation:
University of Warwick
Department Name: Physics
Abstract
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Publications
Achinuq B
(2018)
Correlation between spin transport signal and Heusler/semiconductor interface quality in lateral spin-valve devices
in Physical Review B
BELL G
(2015)
EPITAXIAL GROWTH OF CUBIC MnSb ON GaAs AND InGaAs (111)
in SPIN
Burrows C
(2018)
Hybrid Heteroepitaxial Growth Mode
in physica status solidi (a)
Burrows C
(2016)
Depth sensitive X-ray diffraction as a probe of buried half-metallic inclusions
in physica status solidi (b)
Burrows C
(2019)
Epitaxial growth and surface reconstruction of CrSb(0001)
in Results in Physics
Burrows C
(2013)
Heteroepitaxial Growth of Ferromagnetic MnSb(0001) Films on Ge/Si(111) Virtual Substrates
in Crystal Growth & Design
Burrows CW
(2014)
Interaction of Mn with GaAs and InSb: incorporation, surface reconstruction and nano-cluster formation.
in Journal of physics. Condensed matter : an Institute of Physics journal
Gilks D
(2014)
Structural study of Fe 3 O 4 (111) thin films with bulk like magnetic and magnetotransport behaviour
in Journal of Applied Physics
Glover SE
(2018)
Magnetic and structural depth profiles of Heusler alloy Co2FeAl0.5Si0.5 epitaxial films on Si(1 1 1).
in Journal of physics. Condensed matter : an Institute of Physics journal
| Description | We are worked on 3 types of advanced magnetic material to combine with semiconductor materials. Structures including our materials will enable new types of efficient spin-electronic devices to be made. We discovered a combination of materials which has outstanding properties for supporting semiconductor spintronics and in collaboration with a group in Japan demonstrated an efficient spintronic device. |
| Exploitation Route | We have worked with Toshiba (in Cambridge) to make electronic devices with our advanced materials which could provide low-power, efficient data storage and processing for next-generation computer devices. |
| Sectors | Digital/Communication/Information Technologies (including Software),Electronics,Energy,Manufacturing, including Industrial Biotechology |
| URL | http://www.warwick.ac.uk/halfmetals |
| Description | Our spintronic materials have been investigated by industry partner for use in devices. Furthermore our theoretical methods have been used by a new industry partner to investigate energy recovery materials. A substantial team of early career researchers in York and Warwick, including 3 UK PhD students and 4 overseas PhD students, have graduated from the project into further science and technology jobs, including industry collaborations and at prestigious research institutes. |
| First Year Of Impact | 2016 |
| Sector | Digital/Communication/Information Technologies (including Software),Energy |
| Impact Types | Societal |
| Description | PhD studentship - Centre for Scientific Computing |
| Amount | £16,000 (GBP) |
| Organisation | University of Warwick |
| Sector | Academic/University |
| Country | United Kingdom |
| Start | 11/2013 |
| End | 11/2015 |
| Description | PhD studentship CO |
| Amount | £53,730 (GBP) |
| Organisation | Government of Nigeria |
| Sector | Public |
| Country | Nigeria |
| Start | 02/2013 |
| End | 02/2016 |
| Description | Epitaxy, interface control and surface modification of novel spin-functional materials |
| Organisation | Diamond Light Source |
| Country | United Kingdom |
| Sector | Private |
| PI Contribution | The project is a joint 3.5 year PhD studentship with Diamond Light Source Ltd. The PhD student, Philip Mousley, began work on the project in October 2013. We will study materials grown in the joint York-Warwick project as well as materials grown in Warwick's single crystal growth facility. We will be able to exploit the world-leading facilities of Diamond Light Source to analyse half-metallic and topological insulator surfaces. |
| Collaborator Contribution | The facilities of beamline I07 and the Surface Village at Diamond Light Source. |
| Impact | Obtained beam time at the SPring-8 synchrotron radiation facility in Japan to run experiments on novel spintronic structures. |
| Start Year | 2013 |
| Description | ILL internship / collaboration |
| Organisation | Institut Laue–Langevin |
| Country | France |
| Sector | Academic/University |
| PI Contribution | PhD student internship at Institut Laue-Langevin for 3 months, plus research collaboration on polarized neutron reflectivity. |
| Collaborator Contribution | Training and data analysis. |
| Impact | Several papers and important contribution to PhD thesis; advances in PNR analysis including work with author of major software package used worldwide. |
| Start Year | 2015 |
| Description | Topological thin films |
| Organisation | Santa Clara University |
| Country | United States |
| Sector | Academic/University |
| PI Contribution | A new partnership to investigate topologically non-trivial materials in thin-film epitaxial form. The materials are related to those grown in our Half-metallic Ferromagnets EPSRC project. COVID-19 has interrupted development of the collaboration during 2020 but we are now preparing research proposals and exchanges in 2021. |
| Collaborator Contribution | Ideas, contributions to research proposals, access to experimental facilities. |
| Impact | none yet |
| Start Year | 2019 |
| Description | Toshiba sample growth contract |
| Organisation | Toshiba Research Europe Ltd |
| Country | United Kingdom |
| Sector | Private |
| PI Contribution | Sample growth of novel spintronic heterostructures for Toshiba Research Europe Ltd. |
| Collaborator Contribution | Magneto-transport measurements. |
| Impact | Multi-disciplinary: electrical engineering & physics. |
| Start Year | 2013 |