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We have calculated Heisenberg exchange parameters for bcc-Fe, fcc-Co, and fcc-Ni using the scalar-relativistic spin-polarized Green function technique within the tight-binding linear muffin-tin orbital method and by employing the magnetic force theorem to calculate total energy changes associated with a local rotation of magnetization directions. We have… (More)

- Michal Pajda, Josef Kudrnovský, I. Turek, Václav Drchal, Paolo Bruno
- Physical review letters
- 2000

The effective exchange interactions of magnetic overlayers Fe/Cu(001) and Co/Cu(001) covered by a Cu-cap layer of varying thickness were calculated in real space from first principles. The effective two-dimensional Heisenberg Hamiltonian was constructed and used to estimate magnon dispersion laws, spin-wave stiffness constants, and overlayer Curie… (More)

- Ewa Klimiec, Wieslaw Zaraska, Krzysztof Zaraska, Kazimierz P. Gasiorski, Tadeusz Sadowski, Michal Pajda
- Microelectronics Reliability
- 2008

Piezoelectric polymer film material allows for conversion of mechanical energy into electrical energy that can be used for supplying electronic devices. While this method does not allow obtaining large useful power, recent advances in electronic technology, in particular wide availability of submicron low-power CMOS processes, have made feasible the idea of… (More)

- Michal Pajda, Rajeev Ahuja, +4 authors Olle Eriksson
- 1996

Self-consistent, general potential, electronic structure calculations have been performed for the Laves phase compound YMn2 and its hydrides YMn2Hx (x = 0.5 and 1.0). The parent material, YMn2, is found to be an itinerant antiferromagnet with a magnetic moment of 2.6μB per Mn atom whereas for the hydrides an additional ferrimagnetic component appears. This… (More)

- Dariusz Bogdal, Jan Pielichowski, +8 authors Phtalocyanines
- 2004

Heating in microwave ovens uses the ability of some liquids and solids to transform electromagnetic energy into heat and thereby drive chemical reactions. Since observed thermal effect depends on the properties of material exposed to microwave irradiation (materials for chemical reactions do not interact equally with the commonly used microwave… (More)

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