Inverse order-disorder transition of charge stripes

Lee, Shu-Han; Lai, Yen-Chung; Du, Chao-Hung; Siegenfeld, Alexander F.; Kao, Ying-Jer; Hatton, Peter D.; Prabhakaran, D.; Su, Yixi; Huang, Di-Jing

Abstract

We report an unusual transition behavior of charge stripes in La1.67Sr0.33NiO4 using x-ray scattering. The segregated holes in La1.67Sr0.33NiO4 are observed to form anisotropic stripes in the a × b plane of the crystal space below the transition temperature T 238 K, and at the same time, display an unusual inverse order-disorder transition along the c axis. Using a phenomenological Landau theory, we show that this inverse transition is due to the interlayer coupling between the charge and spin orders. This discovery points to the importance of the interlayer correlations in the strongly correlated electrons system.

Citation

Lee, S., Lai, Y., Du, C., Siegenfeld, A. F., Kao, Y., Hatton, P. D., …Huang, D. (2015). Inverse order-disorder transition of charge stripes. Physical review B, 92(20), Article 205114. https://doi.org/10.1103/physrevb.92.205114

• Journal Article Type: Article
• Online Publication Date: Nov 9, 2015
• Publication Date: Nov 9, 2015
• Deposit Date: Oct 28, 2017
• Publicly Available Date: Jan 24, 2018
• Journal: Physical review B - Condensed Matter and Materials Physics
• Print ISSN: 1098-0121
• Electronic ISSN: 1550-235X
• Publisher: American Physical Society
• Peer Reviewed: Peer Reviewed
• Volume: 92
• Issue: 20
• Article Number: 205114
• DOI: https://doi.org/10.1103/physrevb.92.205114
• Public URL: https://durham-repository.worktribe.com/output/1345571