Prediction of a new class of half-metallic ferromagnets from first principles [A new class of half-metallic ferromagnets from first principles]
Abstract
Half-metallic ferromagnetism (HMFM) occurs rarely in materials and yet offers great potential for spintronic devices. Recent experiments suggest a class of compounds with the `ThCr$$_{2}$$Si$$_{2}$$' (122) structure -- isostructural and containing elements common with Fe pnictide-based superconductors -- can exhibit HMFM. Here we use $ab$ $initio$ density-functional theory calculations to understand the onset of half-metallicity in this family of materials and explain the appearance of ferromagnetism at a quantum critical point. We also predict new candidate materials with HMFM and high Curie temperatures through A-site alloying.
- Authors:
-
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Univ. of California, Berkeley, CA (United States)
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Univ. of California, Berkeley, CA (United States); Kavli Energy NanoScience Institute at Berkeley, Berkeley, CA (United States)
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1398513
- Alternate Identifier(s):
- OSTI ID: 1389680
- Grant/Contract Number:
- AC02-05CH11231
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review Materials
- Additional Journal Information:
- Journal Volume: 1; Journal Issue: 4; Journal ID: ISSN 2475-9953
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE
Citation Formats
Griffin, Sinead M., and Neaton, Jeffrey B. Prediction of a new class of half-metallic ferromagnets from first principles [A new class of half-metallic ferromagnets from first principles]. United States: N. p., 2017.
Web. doi:10.1103/PhysRevMaterials.1.044401.
Griffin, Sinead M., & Neaton, Jeffrey B. Prediction of a new class of half-metallic ferromagnets from first principles [A new class of half-metallic ferromagnets from first principles]. United States. https://doi.org/10.1103/PhysRevMaterials.1.044401
Griffin, Sinead M., and Neaton, Jeffrey B. Tue .
"Prediction of a new class of half-metallic ferromagnets from first principles [A new class of half-metallic ferromagnets from first principles]". United States. https://doi.org/10.1103/PhysRevMaterials.1.044401. https://www.osti.gov/servlets/purl/1398513.
@article{osti_1398513,
title = {Prediction of a new class of half-metallic ferromagnets from first principles [A new class of half-metallic ferromagnets from first principles]},
author = {Griffin, Sinead M. and Neaton, Jeffrey B.},
abstractNote = {Half-metallic ferromagnetism (HMFM) occurs rarely in materials and yet offers great potential for spintronic devices. Recent experiments suggest a class of compounds with the `ThCr$_{2}$Si$_{2}$' (122) structure -- isostructural and containing elements common with Fe pnictide-based superconductors -- can exhibit HMFM. Here we use $ab$ $initio$ density-functional theory calculations to understand the onset of half-metallicity in this family of materials and explain the appearance of ferromagnetism at a quantum critical point. We also predict new candidate materials with HMFM and high Curie temperatures through A-site alloying.},
doi = {10.1103/PhysRevMaterials.1.044401},
journal = {Physical Review Materials},
number = 4,
volume = 1,
place = {United States},
year = {Tue Sep 12 00:00:00 EDT 2017},
month = {Tue Sep 12 00:00:00 EDT 2017}
}
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Works referencing / citing this record:
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