Zobrazeno 1 - 10
of 21
pro vyhledávání: '"D. M. C. Nicholson"'
Autor:
Gerard M. Ludtka, Harry Bhadeshia, S. M. Kelly, Roger A. Kisner, S. Suresh Babu, Roger A Jaramillo, Gail Mackiewicz-Ludtka, John B Wilgen, M. Murugananth, D. M. C. Nicholson
Publikováno v:
Scripta Materialia. 52:461-466
The continuous cooling transformation characteristics of novel bainitic steels have been studied, both under ordinary conditions and whilst subjected to a 30 T magnetic field. The magnetic field has been found to completely change the microstructure
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c804a0ed96cd695163be69d0b97a0c65
https://doi.org/10.1016/j.scriptamat.2004.11.015
https://doi.org/10.1016/j.scriptamat.2004.11.015
Autor:
Gail Mackiewicz-Ludtka, Roger A Jaramillo, Gerard M. Ludtka, John B Wilgen, Peter N. Kalu, Roger A. Kisner, D. M. C. Nicholson
Publikováno v:
Scripta Materialia. 51:171-174
A medium carbon steel was cooled from 850 °C at various rates with and without a 30-T magnetic field. Due to the magnetic field, the onset of thermal recalescence associated with the release of latent heat showed 70–90 °C increase, indicating acc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3bc4cf5c85f13c2af0cb42d796f7fcc6
https://doi.org/10.1016/j.scriptamat.2004.03.029
https://doi.org/10.1016/j.scriptamat.2004.03.029
Autor:
X. G. Zhang, D. M. C. Nicholson
Publikováno v:
Physical Review B. 60:4551-4557
An alternative density functional for the spherical approximation of cell potentials is formulated. It relies on overlapping atomic spheres for the calculation of the kinetic energy, similar to the atomic sphere approximation (ASA), however, a shape
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cfee76f1ee8239ce5e1c640de067d15c
https://doi.org/10.1103/physrevb.60.4551
https://doi.org/10.1103/physrevb.60.4551
Publikováno v:
Physical Review Letters. 83:207-210
Using the adiabatic approximation, we derive the equations of motion for local spin moments which are valid for itinerant as well as tight-binding spins. Material parameters in the equations of motion can be obtained using standard density functional
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::23523400c01658cb130e460a2fffef7b
https://doi.org/10.1103/physrevlett.83.207
https://doi.org/10.1103/physrevlett.83.207
Autor:
Yang Wang, Balazs L. Gyorffy, Balazs Ujfalussy, Andrew Canning, G. M. Stocks, Xindong Wang, William A. Shelton, D. M. C. Nicholson
Publikováno v:
Philosophical Magazine B. 78:665-673
We argue that, as originally formulated, the first principles spin dynamics of the finite-temperature and non-equilibrium properties of itinerant magnets recently proposed by Antropov et al. is not clearly defined within density functional theory. We
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d6bcbbf5c215278a272f2931486ebdfb
https://doi.org/10.1080/13642819808206775
https://doi.org/10.1080/13642819808206775
Publikováno v:
Physical Review Letters. 110
The elementary excitations of vibration in solids are phonons. But in liquids phonons are extremely short-lived and marginalized. In this letter through classical and ab-initio molecular dynamics simulations of the liquid state of various metallic sy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9a2c095c70d80902b6fa9b08b83975a8
https://doi.org/10.1103/physrevlett.110.205504
https://doi.org/10.1103/physrevlett.110.205504
Publikováno v:
Physical Review B. 52:13399-13410
We show that the Kubo formula can be used to calculate the nonlocal electrical conductivity of layered systems from first principles. We use the layer Korringa-Kohn-Rostoker method to calculate the electronic structure and Green function of a slab of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fccec9b60791d62637ac67dc10cbf3db
https://doi.org/10.1103/physrevb.52.13399
https://doi.org/10.1103/physrevb.52.13399
Autor:
Yang Wang, Walter Temmerman, Zdzislawa Szotek, G. M. Stocks, William A. Shelton, D. M. C. Nicholson
Publikováno v:
Physical Review B. 50:14686-14689
The number of operations required for conventional density-functional algorithms grows as the cube of the number of atoms, [ital N]. For large systems the computing requirements are unattainable. To overcome this limitation it is acceptable to approx
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2c92c53016ec7feddae1376c399fd128
https://doi.org/10.1103/physrevb.50.14686
https://doi.org/10.1103/physrevb.50.14686
Electrical resistivity ofNi0.8Mo0.2: Explanation of anomalous behavior in short-range ordered alloys
Autor:
R. H. Brown, D. M. C. Nicholson
Publikováno v:
Physical Review Letters. 70:3311-3314
We explain the counterintuitive result that increased short-range order reduces the conductivity in ${\mathrm{Ni}}_{0.8}$${\mathrm{Mo}}_{0.2}$ and suggest an explanation for the ``K-state'' effect, in which severe deformation can significantly increa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8a04f82b88e54561af56a3b1e6f13f81
https://doi.org/10.1103/physrevlett.70.3311
https://doi.org/10.1103/physrevlett.70.3311
Autor:
B. Radhakrishnan, Tae-Hwan Kim, D. M. C. Nicholson, An-Ping Li, Boyd M. Evans, Nagraj S. Kulkarni, Xiaoguang Zhang, Edward A. Kenik
Publikováno v:
Nano letters. 10(8)
Copper is the current interconnect metal of choice in integrated circuits. As interconnect dimensions decrease, the resistivity of copper increases dramatically because of electron scattering from surfaces, impurities, and grain boundaries (GBs) and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dc468cf81f17a7dc636a26b31bb509e7
https://pubmed.ncbi.nlm.nih.gov/20608715
https://pubmed.ncbi.nlm.nih.gov/20608715