Thermodynamic phase transitions in a frustrated magnetic metamaterial

Nature Communications

Volumn 6, Issue , 2015, Pages

  Anghinolfi, L ^a,b   Luetkens, H ^c   Perron, J ^a,b,d,e   Flokstra, M G ^f   Sendetskyi, O ^a,b   Suter, A ^c   Prokscha, T ^c   Derlet, P M ^b   Lee, S L ^f   Heyderman, L J ^a,b  

^a ETH ZURICH   (Switzerland)

^b PAUL SCHERRER INSTITUTE   (Switzerland)

^c RUTHERFORD APPLETON LABORATORY   (United Kingdom)

^d SORBONNE UNIVERSITÉ   (France)

^e Université Pierre et Marie Curie   (France)

^f UNIVERSITY OF ST ANDREWS   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

FERROMAGNETIC MATERIAL;

CRITICAL STATE; EQUILIBRIUM; MAGNETIC PROPERTY; PHASE TRANSITION; THERMODYNAMICS;

ARTICLE; DEPOLARIZATION; ENERGY MUON SPECTROSCOPY; HIGH TEMPERATURE; MAGNETIC FIELD; MAGNETISM; MICROSCOPY; MONTE CARLO METHOD; MUON; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; PHASE TRANSITION; SPECTROSCOPY; TEMPERATURE DEPENDENCE; THERMODYNAMICS;

EID: 84942134316     PISSN: None     EISSN: 20411723     Source Type: Journal    
DOI: 10.1038/ncomms9278     Document Type: Article

References (29)

1. Harris, M. J., Bramwell, S. T., McMorrow, D. F., Zeiske, T. & Godfrey, K. W. Geometrical frustration in the ferromagnetic pyrochlore Ho2Ti2O7. Phys. Rev. Lett. 79, 2554-2557 (1997).
2. Ramirez, A. P., Hayashi, A., Cava, R. J., Siddharthan, R. & Shastry, B. S. Zero-point entropy in 'spin ice'. Nature 399, 333-335 (1999).
3. Balents, L. Spin liquids in frustrated magnets. Nature 464, 199-208 (2010).
4. Castelnovo, C., Moessner, R. & Sondhi, S. L. Magnetic monopoles in spin ice. Nature 451, 42-45 (2008).
5. Valentine, J. et al. Three-dimensional optical metamaterial with a negative refractive index. Nature 455, 376-379 (2008).
6. Schurig, D. et al. Metamaterial electromagnetic cloak at microwave frequencies. Science 314, 977-980 (2006).
7. Heyderman, L. J. & Stamps, R. L. Artificial ferroic systems: novel functionality from structure, interactions and dynamics. J. Phys. Condens. Mat. 25, 363201 (2013).
8. Nisoli, C., Moessner, R. & Schiffer, P. Colloquium: artificial spin ice: designing and imaging magnetic frustration. Rev. Mod. Phys. 85, 1473-1490 (2013).
9. Mengotti, E. et al. Real-space observation of emergent magnetic monopoles and associated Dirac strings in artificial kagome spin ice. Nat. Phys. 7, 68-74 (2011).
10. Zhang, S. et al. Crystallites of magnetic charges in artificial spin ice. Nature 500, 553-557 (2013).
11. Moller, G. & Moessner, R. Magnetic multipole analysis of kagome and artificial spin-ice dipolar arrays. Phys. Rev. B 80, 140409(R) (2009).
12. Chern, G. W., Mellado, P. & Tchernyshyov, O. Two-stage ordering of spins in dipolar spin ice on the kagome lattice. Phys. Rev. Lett. 106, 207202 (2011).
13. Chern, G.-W. & Tchernyshyov, O. Magnetic charge and ordering in kagome spin ice. Philos. Trans. A Math. Phys. Eng. Sci. 370, 5718-5737 (2012).
14. Kapaklis, V. et al. Melting artificial spin ice. N. J. Phys. 14, 035009 (2012).
15. Farhan, A. et al. Exploring hyper-cubic energy landscapes in thermally active finite artificial spin-ice systems. Nat. Phys. 9, 375-382 (2013).
16. Farhan, A. et al. Thermally induced magnetic relaxation in building blocks of artificial kagome spin ice. Phys. Rev. B 89, 214405 (2014).
17. Yaouanc, A. & Dalmas de Réotier, P. Muon Spin Rotation, Relaxation, and Resonance Applications to Condensed Matter (Oxford University Press, 2011).
18. Slichter, C. P. Principles of Magnetic Resonance, 3rd edn (Springer, 1990).
19. Ryan, D. H., Cadogan, J. M. & van Lierop, J. Muon spin resonance study of transverse spin freezing in a-FexZr100-x. Phys. Rev. B 61, 6816-6820 (2000).
20. Dalmas de Reotier, P. & Yaouanc, A. Muon spin rotation and relaxation in magnetic materials. J. Phys. Condens. Mat. 9, 9113-9166 (1997).
21. Jackson, T. J. et al. Superparamagnetic relaxation in iron nanoclusters measured by low energy muon spin rotation. J. Phys. Condens. Mat. 12, 1399-1411 (2000).
22. Perron, J. et al. Extended reciprocal space observation of artificial spin ice with x-ray resonant magnetic scattering. Phys. Rev. B 88, 214424 (2013).
23. Morenzoni, E. et al. Generation of very slow polarized positive muons. Phys. Rev. Lett. 72, 2793-2796 (1994).
24. Morenzoni, E., Prokscha, T., Suter, A., Luetkens, H. & Khasanov, R. Nano-scale thin film investigations with slow polarized muons. J. Phys. Condens. Mat. 16, S4583-S4601 (2004).
25. Prokscha, T. et al. The new mu E4 beam at PSI: A hybrid-type large acceptance channel for the generation of a high intensity surface-muon beam. Nucl. Instrum. Meth. A 595, 317-331 (2008).
26. Suter, A. & Wojek, B. M. musrfit: a free platform-independent framework for mu SR data analysis. Phys. Proc. 30, 69-73 (2012).
27. Provencher, S. W. Inverse problems in polymer characterization-direct analysis of polydispersity with photon correlation spectroscopy. Makromol. Chem. 180, 201-209 (1979).
28. Provencher, S. W. A constrained regularization method for inverting data represented by linear algebraic or integral-equations. Comput. Phys. Commun. 27, 213-227 (1982).
29. Provencher, S. W. Contin - a General-Purpose Constrained Regularization Program for Inverting Noisy Linear Algebraic and Integral-Equations. Comput. Phys. Commun. 27, 229-242 (1982).