Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Dustin D. Belyea"'
Publikováno v:
Journal of Magnetism and Magnetic Materials. 382:376-379
We report observing the anisotropic magnetothermopower in a variety of ferromagnetic thin films grown on macroscopic substrates. These measurements were enabled by eliminating spurious signals related to the Anomalous Nernst Effect by butt-mounting t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a915eed275f324b1fb9e1c911194bdc6
https://doi.org/10.1016/j.jmmm.2015.02.006
https://doi.org/10.1016/j.jmmm.2015.02.006
Autor:
Brian J. Kirby, Dustin D. Belyea, Andreas Berger, Alexander J. Grutter, Casey W. Miller, Patricia Riego, H.F. Belliveau, Paul A. Kienzle
A combination of experiments and numerical modeling was used to study the spatial evolution of the ferromagnetic phase transition in a thin film engineered to have a smooth gradient in exchange strength. Mean-field simulations predict, and experiment
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1cb4dfd8822cea73f6085f06b650c95b
http://arxiv.org/abs/1510.07535
http://arxiv.org/abs/1510.07535
Publikováno v:
Scientific Reports
The unpredictability of geopolitical tensions and resulting supply chain and pricing instabilities make it imperative to explore rare earth free magnetic materials. As such, we have investigated fully transition metal based “high entropy alloys”
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::24b6d9b40d9ca3836c0a7b6f598f3b14
https://pubmed.ncbi.nlm.nih.gov/26507636
https://pubmed.ncbi.nlm.nih.gov/26507636
Autor:
Blazej Grabowski, Matthew S. Lucas, Duancheng Ma, Casey W. Miller, Fritz Körmann, Marcel H. F. Sluiter, Dustin D. Belyea
Publikováno v:
Applied Physics Letters. 107:142404
The critical temperature and saturation magnetization for four- and five-component FCC transition metal alloys are predicted using a formalism that combines density functional theory and a magnetic mean-field model. Our theoretical results are in exc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::639e63a338cf31bedfe1c429c321a9e0
https://doi.org/10.1063/1.4932571
https://doi.org/10.1063/1.4932571
Publikováno v:
Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films. 32:040802
This review focuses on the magnetocaloric effect with special attention to nanoscale thin films and heterostructures. The authors outline the general phenomenon of the magnetocaloric effect and discuss how using materials in reduced dimensions can im
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4f1e64c968e3a97b67c44ce77b3d76cc
https://doi.org/10.1116/1.4882858
https://doi.org/10.1116/1.4882858
Autor:
Matthew S. Lucas, E. Michel, S. L. Semiatin, Casey W. Miller, J.C. Horwath, S. O. Leontsev, Dustin D. Belyea, C. Bauer, Michael E. McHenry, N. Bryant, Z. Turgut
Publikováno v:
Journal of Applied Physics. 113:17A923
The equimolar alloy FeCoCrNi, a high-entropy alloy, forms in the face-centered-cubic crystal structure and has a ferromagnetic Curie temperature of 130 K. In this study, we explore the effects of Cr concentration, cold-rolling, and subsequent heat tr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fce6b8699bddeec68c3fb5d89fafd1a2
https://doi.org/10.1063/1.4798340
https://doi.org/10.1063/1.4798340
Publikováno v:
Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films. 31:031506
The impact of the deposition temperature and chamber gettering on Ta(5 nm)/Gd(30 nm)/Ta(5 nm) thin films magnetocaloric effect properties was investigated. Increasing the deposition temperature generally improves the entropy peak (magnitude, full wid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7704702d456f959de8d99ae63a0c1b41
https://doi.org/10.1116/1.4795817
https://doi.org/10.1116/1.4795817
Publikováno v:
Journal of Applied Physics. 111:07A935
This work investigates the magnetocaloric effect of two epitaxial manganite heterostructures, one being a single layer La0.56Sr0.44MnO3 alloy with randomly distributed La and Sr cations, the other a digitally synthesized superlattice of LaMnO3 and Sr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c22bd4b395db9e122bed09dfdc1a8c5
https://doi.org/10.1063/1.3677670
https://doi.org/10.1063/1.3677670
Autor:
Casey W. Miller, Dustin D. Belyea
Publikováno v:
Applied Physics Letters. 96:022511
The impact of interface roughness on spin filter tunneling is considered at low biases as functions of temperature and barrier parameters. Roughness reduces the maximum achievable spin polarization, which results from tunneling “hot spots” (thin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e8a771f5c4520044ed080e9b4eb609f
https://doi.org/10.1063/1.3291065
https://doi.org/10.1063/1.3291065
Autor:
Casey W. Miller, Dustin D. Belyea
Publikováno v:
Journal of Applied Physics. 105:094505
We demonstrate that including continuous and discrete tunnel barrier height distributions in otherwise traditional tunneling formalisms enables straightforward modeling of several phenomena important to tunneling. Random barrier height inhomogeneitie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3251d9e71640d3b5672973a2c33c46d6
https://doi.org/10.1063/1.3122600
https://doi.org/10.1063/1.3122600