Mengjun Ou

collaborators

3 papers

cond-mat.supr-con2025

Highly Anisotropic Charge Dynamics and Spectral Weight Redistribution in the Trilayer Nickelate La $_{4}$ Ni $_{3}$ O $_{10}$

Zhe Liu, Jie Li, Deyuan Hu +10

We study the $ab$ -plane and $c$ -axis charge dynamics of La $_{4}$ Ni $_{3}$ O $_{10}$ using optical spectroscopy. While a pronounced Drude profile, i.e. metallic response, is observed i…

cond-mat.supr-con2024

Decoupling between $d_{x^{2} - y^{2}}$ and $d_{z^{2}}$ orbitals in hole doped La $_{3}$ Ni $_{2}$ O $_{7}$

Yuecong Liu, Mengjun Ou, Yi Wang +1

Through Sr and Ca doping to the La sites, we successfully obtained the hole doped La $_{3 - x}$ A $_{x}$ Ni $_{2}$ O $_{7}$ (A = Sr and Ca) thin films by using the pulsed-laser deposition techniq…

cond-mat.supr-con2024

Evolution of Electronic Correlations in the Ruddlesden-Popper Nickelates

Zhe Liu, Jie Li, Mengwu Huo +10

We report on optical studies of the Ruddlesden-Popper nickelates La $_{n + 1}$ Ni $_{n}$ O $_{3 n + 1}$ with $n = 2$ (La $_{3}$ Ni $_{2}$ O $_{7}$ ), $n = 3$ (La $_{4}$ Ni $_{3}$ O $_{10}$ ) and $n = \i…

Highly Anisotropic Charge Dynamics and Spectral Weight Redistribution in the Trilayer Nickelate La4​Ni3​O10​

Decoupling between dx2−y2​ and dz2​ orbitals in hole doped La3​Ni2​O7​

Evolution of Electronic Correlations in the Ruddlesden-Popper Nickelates

Highly Anisotropic Charge Dynamics and Spectral Weight Redistribution in the Trilayer Nickelate La $_{4}$ Ni $_{3}$ O $_{10}$

Decoupling between $d_{x^{2} - y^{2}}$ and $d_{z^{2}}$ orbitals in hole doped La $_{3}$ Ni $_{2}$ O $_{7}$