Spin-Peierls distortions in TiPO4

R. Glaum, H.-J. Koo, M.-H. Whangbo, P. G. Reuvekamp, J. M. Law, C. Hoch, R. K. Kremer, Maxim Bykov, Jian Zhang, Andreas Schönleber, Alexander Wölfel, Sk Imran Ali, Sander van Smaalen
  • Physical Review B, November 2013, American Physical Society (APS)
  • DOI: 10.1103/physrevb.88.184420

Spin-Peierls distortions in TiPO4

What is it about?

TiPO4 undergoes upon cooling a phase transition towards an incommensurate phase (T = 112 K) and then towards a a spin-Peierls distortion with a dimerization of the Ti chains (T = 75 K).

Why is it important?

While the nature of the phase transition at T = 112 K is of second order, the lock-in transition at T = 75 K is of weak first order.

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The following have contributed to this page: Priv.-Doz. Dr. Andreas Schönleber