Two-stage orbital order and dynamical spin frustration in KCuF3

Nature Physics

Volumn 8, Issue 1, 2012, Pages 63-66

  Lee, James C T ^a   Yuan, Shi ^a   Lal, Siddhartha ^a,b,f   Joe, Young Il ^a   Gan, Yu ^a   Smadici, Serban ^a   Finkelstein, Ken ^c   Feng, Yejun ^d   Rusydi, Andrivo ^e   Goldbart, Paul M ^a,b   Lance Cooper, S ^a   Abbamonte, Peter ^a  

^a University of Illinois at Urbana Champaign   (United States)

^b UNIVERSITY OF ILLINOIS AT URBANA CHAMPAIGN   (United States)

^c Department of Obstetrics Gynecology   (United States)

^d ARGONNE NATIONAL LABORATORY   (United States)

^e NATIONAL UNIVERSITY OF SINGAPORE   (Singapore)

^f INDIAN INSTITUTE OF SCIENCE EDUCATION AND RESEARCH KOLKATA   (India)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 84355162950     PISSN: 17452473     EISSN: 17452481     Source Type: Journal    
DOI: 10.1038/nphys2117     Document Type: Article

References (25)

1. Kugel, K. I. & Khomskii, D. I. Crystal structure and magnetic properties of substances with orbital degeneracy. Sov. Phys.-JETP 37, 725-730 (1973).
2. Tokura, Y. & Nagaosa, N. Orbital physics in transition-metal oxides. Science 21, 462-468 (2000). (Pubitemid 30236021)
3. Mostovoy, M. V. & Khomskii, D. I. Orbital ordering in charge transfer insulators. Phys. Rev. Lett. 92, 167201 (2004).
4. 3. J. Phys. Soc. Jpn 16, 176-183 (1961).
5. 3. Phys. Rev. 188, 919-923 (1969).
6. 3 revealed by x-ray diffraction experiments. J. Phys. Soc. Jpn 67, 2488-2494 (1998).
7. 3. Phys. Rev. Lett. 88, 106403 (2002).
8. Polinger, V. The Jahn-Teller-Effect: Fundamentals and Implications for Physics and Chemistry 685-725 (Springer, 2009).
9. 3. Phys. Rev. B 21, 2001-2007 (1980).
10. Lake, B., Tennant, D. A., Frost, C. D. & Nagler, S. E. Quantum criticality and universal scaling of a quantum antiferromagnet. Nature Mater. 4, 329-334 (2005). (Pubitemid 40450214)
11. Olé, A. M., Khaliullin, G., Horsch, P. & Feiner, L. F. Fingerprints of spin-orbital physics in cubic Mott insulators: Magnetic exchange interaction and optical spectral weights. Phys. Rev. B 72, 214431 (2005).
12. 3. J. Magn. Magn. Mater. 242, 935-938 (2002). (Pubitemid 34715507)
13. 3 caused by the antiferromagnetic exchange interaction: Antiferromagnetic resonance measurements. J. Phys. Soc. Jpn 63, 289-297 (1994).
14. 3. Phys. Rev. Lett. 101, 147601 (2008).
15. 3. Phys. Rev. Lett. 101, 157406 (2008).
16. 3. Sol. St. Commun. 80, 801-805 (1991).
17. Feiner, L. F., Oles, A. M. & Zaanen, J. Quantum melting of magnetic order due to orbital fluctuations. Phys. Rev. Lett. 78, 2799-2802 (1997). (Pubitemid 127655314)
18. Lin, C. & Millis, A. J. Theoretical description of pseudocubic manganites. Phys. Rev. B 78, 174419 (2008).
19. 3. Phys. Rev. Lett. 101, 266405 (2008).
20. Sboychakov, A. O., Kugel, K. I., Rakhmanov, A. L. & Khomskii, D. I. Relationship between orbital structure and lattice distortions in Jahn-Teller systems. Phys. Rev. B 83, 205123 (2011).
21. 3nC1 (n D 1;2): Raman spectroscopic studies. Phys. Rev. Lett. 89, 226401 (2002).
22. Fang, Z., Terakura, K. & Nagaosa, N. Orbital physics in ruthenates: First-principles studies. New J. Phys. 7, 66 (2005).
23. Kruger, F., Kumar, S., Zaanen, J. & van den Brink, J. Spin-orbital frustrations and anomalous metallic state in iron-pnictide superconductors. Phys. Rev. B 79, 054504 (2009).
24. 3. Phys. Rev. B 70, 085117 (2004).
25. 3. Suppl. Prog. Theor. Phys. 46, 147-161 (1970).