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Enhanced low-energy magnetic excitations via suppression of the itinerancy in Fe0.98-zCuzTe0.5Se0.5
Jinsheng Wen, Shichao Li, Zhijun Xu +12
We have performed resistivity and inelastic neutron scattering measurements on three samples of Fe0.98-zCuzTe0.5Se0.5 with z = 0, 0.02, and 0.1. It is found that with increasing Cu…
Neutron Scattering Evidence for a Periodically-Modulated Superconducting Phase in the Underdoped Cuprate LaBaCuO
Zhijun Xu, C. Stock, Songxue Chi +4
The role of antiferromagnetic spin correlations in high-temperature superconductors remains a matter of debate. We present inelastic neutron scattering evidence that gapless spin f…
Direct observation of dynamic charge stripes in La2-xSrxNiO4
S. Anissimova, D. Parshall, G. D. Gu +8
The insulator-to-metal transition continues to be a challenging subject, especially when electronic correlations are strong. In layered compounds, such as La2-xSrxNiO4 and La2-xBax…
Evidence of Chiral Order in the Charge-Ordered Phase of Superconducting La1.875Ba0.125Cuo4 Single Crystals Using Polar Kerr-Effect Measurements
Hovnatan Karapetyan, Jing Xia, M. Hucker +4
High resolution polar Kerr effect (PKE) measurements were performed on La1.875Ba0.125Cuo4 single crystals revealing that a finite Kerr signal is measured below an onset temperature…
Ferro-orbital ordering transition in iron telluride FeTe
David Fobes, Igor A. Zaliznyak, Zhijun Xu +8
FeTe with exhibits a first-order phase transition on cooling to a state with a lowered structural symmetry, bicollinear antiferromagnetic order, and metal…
Evidence for Fluctuating Charge Stripes far above the Charge-Ordering Transition in La Sr NiO
A. M. Milinda Abeykoon, Emil S. Božin, Wei-Guo Yin +4
The temperature evolution of structural effects associated with charge (CO) and spin order (SO) in LaSrNiO has been investigated using neutron powder diffra…