Determination of the nature of the tetragonal to orthorhombic phase transition in SrFe2 As2 by measurement of the local order parameter

Physical Review B - Condensed Matter and Materials Physics

Volumn 81, Issue 21, 2010, Pages

  Loudon, J C ^a   Bowell, C J ^a   Gillett, J ^b   Sebastian, S E ^b   Midgley, P A ^a  

^a UNIVERSITY OF CAMBRIDGE   (United Kingdom)

^b UNIVERSITY OF CAMBRIDGE   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 77955867890     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.81.214111     Document Type: Article

References (19)

1. Y. Kamihara, T. Watanabe, M. Hirano, and H. Hosono, J. Am. Chem. Soc. 130, 3296 (2008). 10.1021/ja800073m
2. K. Sasmal, B. Lv, B. Lorenz, A. M. Guloy, F. Chen, Y.-Y. Xue, and C.-W. Chu, Phys. Rev. Lett. 101, 107007 (2008). 10.1103/PhysRevLett.101.107007
3. M. Tegel, M. Rotter, V. Weiß, F. M. Schappacher, R. Pöttgen, and D. Johrendt, J. Phys.: Condens. Matter 20, 452201 (2008). 10.1088/0953-8984/20/45/452201
4. M. R. Norman, Phys. 1, 21 (2008). 10.1103/Physics.1.21
5. L. D. Landau and E. M. Lifshitz, Statistical Physics Part 1 (Pergamon, Oxford, 1980).
6. S. W. Biernacki, Phys. Rev. B 68, 174417 (2003). 10.1103/PhysRevB.68. 174417
7. R. A. Cowley, Philos. Trans. R. Soc. London, Ser. A 354, 2799 (1996). 10.1098/rsta.1996.0130
8. A. Jesche, N. Caroca-Canales, H. Rosner, H. Borrmann, A. Ormeci, D. Kasinathan, H. H. Klauss, H. Luetkens, R. Khasanov, A. Amato, A. Hoser, K. Kaneko, C. Krellner, and C. Geibel, Phys. Rev. B 78, 180504 (R) (2008). 10.1103/PhysRevB.78.180504
9. J.-Q. Yan, A. Kreyssig, S. Nandi, N. Ni, S. L. Bud'ko, A. Kracher, R. J. McQueeney, R. W. McCallum, T. A. Lograsso, A. I. Goldman, and P. C. Canfield, Phys. Rev. B 78, 024516 (2008). 10.1103/PhysRevB.78.024516
10. P. L. Alireza, Y. T. C. Ko, J. Gillett, C. M. Petrone, J. M. Cole, G. G. Lonzarich, and S. E. Sebastian, J. Phys.: Condens. Matter 21, 012208 (2009). 10.1088/0953-8984/21/1/012208
11. J. C. Loudon and P. A. Midgley, Phys. Rev. Lett. 96, 027214 (2006). 10.1103/PhysRevLett.96.027214
12. See supplementary material at http://link.aps.org/supplemental/10.1103/ PhysRevB.81.214111 for supplementary information. (1) a video of bright-field images showing the withdrawal of orthorhombic twins as the sample is warmed. (2) a plot of the magnetic moment in SrFe 2 As 2 versus temperature. (3) a detailed description of the LACBED technique used to analyze the phase transition. (4) a video showing LACBED patterns taken on warming. (5) a video showing LACBED patterns taken on cooling.
13. P. A. Midgley, R. Vincent, and D. Cherns, Philos. Mag. A 66, 237 (1992). 10.1080/01418619208201554
14. A. Putnis, Introduction to Mineral Sciences (Cambridge University Press, Cambridge, 1992).
15. J. W. Christian and S. Mahajan, Prog. Mater. Sci. 39, 1 (1995). 10.1016/0079-6425(94)00007-7
16. Y. Zhu, M. Suenaga, and J. Tafto, Philos. Mag. A 67, 1057 (1993). 10.1080/01418619308224757
17. P. Müllner and W. M. Kriven, J. Mater. Res. 12, 1771 (1997). 10.1557/JMR.1997.0244
18. A. H. Cottrell and B. A. Bilby, Philos. Mag. 42 (329), 573 (1951).
19. H. Li, W. Tian, J. L. Zarestky, A. Kreyssig, N. Ni, S. L. Bud'ko, P. C. Canfield, A. I. Goldman, R. J. McQueeney, and D. Vaknin, Phys. Rev. B 80, 054407 (2009). 10.1103/PhysRevB.80.054407