The low-frequency dielectric response of hole-doped insulators L a 2 C u 1-x L ix O 4 and L
a 2-x S rx N i O 4 shows a large dielectric constant ε′ at high temperature and a steplike …

Revealing the predominant driving force behind symmetry breaking in correlated materials
is sometimes a formidable task due to the intertwined nature of different degrees of freedom …

The temperature (T) dependence of the charge-stripe order in La 2-x Sr x NiO 4 has been
investigated in the vicinity of x∼ 1/3 by synchrotron radiation x-ray diffraction measurements …

Magnetic order has been investigated in stripe-ordered La 2− x Sr x NiO 4 (x= 0.275, 0.37,
0.4) by dc magnetization and by polarized-and unpolarized-neutron diffraction. In the …

We have studied the magnetization of a series of spin-charge-ordered La 2− x Sr x Ni O 4+ δ
single crystals with 0⩽ x⩽ 0.5. For fields applied parallel to the ab plane there is a large …

We study the temporal stability of stripe-type spin order in a layered nickelate with x-ray
photon correlation spectroscopy and observe fluctuations on timescales of tens of minutes …

The magnetism of charge-stripe-ordered La 1.55 Sr 0.45 NiO 4 was studied by a
combination of neutron diffraction, muon-spin relaxation (μ SR), and bulk susceptibility. Long …

The stability of charge ordered phases is doping dependent, with different materials having
particularly stable ordered phases. In the half filled charge ordered phases of the cuprates …

The temperature dependence of the magnetic order of stripe-ordered La 1.725 Sr 0.275 NiO
4 is investigated by neutron diffraction. Upon cooling, the widths of the magnetic Bragg …

Optical conductivity and electrical resistivity of La2NiO4+ δ (δ= 0.11 and 0.14) single crystals
have been investigated for the (a, b) plane. Results show several changes of regime that are …