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| 4. |
- Broddefalk, A, et al.
(författare)
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Structural and magnetic properties of (Fe1-xMnx)3P (x < 0.25)
- 2000
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Ingår i: PHYSICAL REVIEW B. - : AMERICAN PHYSICAL SOC. - 1098-0121. ; 61:1, s. 413-421
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Tidskriftsartikel (refereegranskat)abstract
- Structural and magnetic properties of (Fe1-xMnx)(3)P compounds have been investigated by means of x-ray and neutron diffraction experiments, magnetization measurements, Mossbauer experiments, and first principles calculations. The Curie temperature of the
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| 5. |
- Cedervall, Johan, et al.
(författare)
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Magnetocaloric effect in Fe2 P: Magnetic and phonon degrees of freedom
- 2019
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Ingår i: Physical Review B. - 2469-9969 .- 2469-9950. ; 99:17
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Tidskriftsartikel (refereegranskat)abstract
- Devices based on magnetocaloric materials provide great hope for environmentally friendly and energy efficient cooling that does not rely on the use of harmful gasses. Fe2P based compounds are alloys that have shown great potential for magnetocaloric devices. The magnetic behavior in Fe2P is characterized by a strong magnetocaloric effect that coexists with a first-order magnetic transition (FOMT). Neutron diffraction and inelastic scattering, Mossbauer spectroscopy, and first-principles calculations have been used to determine the structural and magnetic state of Fe2P around the FOMT. The results reveal that ferromagnetic moments in the ordered phase are perturbed at the FOMT such that the moments cant away from the principle direction within a small temperature region. The acoustic-phonon modes reveal a temperature-dependent nonzero energy gap in the magnetically ordered phase that falls to zero at the FOMT. The interplay between the FOMT and the phonon energy gap indicates hybridization between magnetic modes strongly affected by spin-orbit coupling and phonon modes leading to magnon-phonon quasiparticles that drive the magnetocaloric effect.
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| 6. |
- Granberg, P, et al.
(författare)
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Anisotropic behaviour of the magnetoresistance in single crystalline iron films
- 1999
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Ingår i: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS. - : ELSEVIER SCIENCE BV. - 0304-8853. ; 195:1, s. 1-8
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Tidskriftsartikel (refereegranskat)abstract
- Magnetoresistive properties of single crystalline Fe(0 0 1) films with thickness in the range 5-100 nm are reported. The films possess low coercive fields (similar to 100 A/m) but a weak irreversible behaviour of the magnetization remains to fields of the
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| 7. |
- Granberg, P, et al.
(författare)
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Antiferromagnetic coupling and giant magnetoresistance in Fe/V(0 0 1) superlattices
- 1998
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Ingår i: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS. - : ELSEVIER SCIENCE BV. - 0304-8853. ; 186:1-2, s. 154-160
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Tidskriftsartikel (refereegranskat)abstract
- Structural and magnetic properties of Fe/V(0 0 1) superlattices consisting of 3 monolayers Fe separated by V interlayers of thickness in the range 8-17 monolayers have been investigated. RHEED and X-ray diffraction investigations show that the samples are
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| 8. |
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| 9. |
- Granberg, P, et al.
(författare)
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Magnetic and transport properties of epitaxial Fe/V(001) superlattice films
- 1996
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Ingår i: PHYSICAL REVIEW B-CONDENSED MATTER. - : AMER INST PHYSICS. - 0163-1829. ; 54:2, s. 1199-1204
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Tidskriftsartikel (refereegranskat)abstract
- Single-crystalline Fe(15 ML)/V (1-12 ML) superlattices, epitaxially grown in the (001) direction, have been investigated using magnetization and electrical transport measurements. For all V thicknesses the system exhibits ferromagnetic properties. Results
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| 10. |
- GRANBERG, P, et al.
(författare)
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MAGNETIC-PROPERTIES OF ND-FE-B MAGNETS PREPARED BY EXTRUSION AND SINTERING TECHNIQUES
- 1995
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Ingår i: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS. - : ELSEVIER SCIENCE BV. - 0304-8853. ; 140, s. 1067-1068
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Nd-Fe-B permanent magnets have been manufactured by extrusion of gas atomized powder of the nominal composition Nd16Fe78B6. The magnetic properties are found to be anisotropic. The energy product, intrinsic coercive field strength and the remanent flux d
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