Masoud Lazemi
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View article: Design of High-Surface-Area Bimetallic Ag–Cu Nanostructures with a Tunable Ratio Obtained via Selective Leaching of AlAgCu Alloys
Design of High-Surface-Area Bimetallic Ag–Cu Nanostructures with a Tunable Ratio Obtained via Selective Leaching of AlAgCu Alloys Open
Nanostructured metals are promising for applications as energy materials. Often, several metal components must be combined to obtain the desired properties. However, preparing high-surface-area bimetallic metals with a desired spatial dist…
View article: Electronic and Structural Relaxation of Photoexcited WO<sub>3</sub> Observed by Femtosecond Resonant X-ray Emission Spectra
Electronic and Structural Relaxation of Photoexcited WO<sub>3</sub> Observed by Femtosecond Resonant X-ray Emission Spectra Open
Photoexcited states of tungsten trioxide (WO3) were observed using femtosecond high-energy-resolution fluorescence detection X-ray Absorption Spectra (HERFD-XAS) and resonant X-ray emission spectra (RXES). In the initial state of the photo…
View article: Enhanced Ionic Conductivity and Electrochemical Properties of Li<sub>2</sub>B<sub>12</sub>H<sub>12</sub>/ZrO<sub>2</sub> Nanocomposites for All-Solid-State Lithium Metal Batteries
Enhanced Ionic Conductivity and Electrochemical Properties of Li<sub>2</sub>B<sub>12</sub>H<sub>12</sub>/ZrO<sub>2</sub> Nanocomposites for All-Solid-State Lithium Metal Batteries Open
Solid-state electrolytes play a key role in the development of safe and high-capacity all-solid-state batteries. Complex hydrides such as Li2B12H12 are attractive as solid electrolytes due to their low weight and good electrochemical stabi…
View article: Ultrafast Light‐Driven Electronic and Structural Changes in LaFeO<sub>3</sub> Perovskites Probed by Femtosecond X‐Ray Absorption Spectroscopy
Ultrafast Light‐Driven Electronic and Structural Changes in LaFeO<sub>3</sub> Perovskites Probed by Femtosecond X‐Ray Absorption Spectroscopy Open
Conducting real‐time, element‐specific studies of photo‐excited systems is a long‐standing challenge. The development of X‐ray free‐electron lasers (XFELs) has paved the way for the emergence of a promising technique: femtosecond X‐ray abs…
View article: Nano‐Size Effects on Decay Dynamics of Photo‐Excited Polarons in CeO<sub>2</sub>
Nano‐Size Effects on Decay Dynamics of Photo‐Excited Polarons in CeO<sub>2</sub> Open
The study of polaron dynamics in complex materials has garnered significant attention owing to its implications for various technological applications, including catalysis, solid‐state devices, and energy storage. This paper investigates t…
View article: Orbital-overlap-driven hybridization in 3d-transition metal perovskite oxides LaMO3 (M = Ti-Ni) and La2CuO4
Orbital-overlap-driven hybridization in 3d-transition metal perovskite oxides LaMO3 (M = Ti-Ni) and La2CuO4 Open
The wide tunability of strongly correlated transition metal (TM) oxides stems from their complex electronic properties and the coupled degrees of freedom. Among the perovskite oxides family, LaMO 3 (M = Ti-Ni) allows an M-dependent systema…
View article: In Situ X-ray Absorption Spectroscopy of LaFeO<sub>3</sub> and LaFeO<sub>3</sub>/LaNiO<sub>3</sub> Thin Films in the Electrocatalytic Oxygen Evolution Reaction
In Situ X-ray Absorption Spectroscopy of LaFeO<sub>3</sub> and LaFeO<sub>3</sub>/LaNiO<sub>3</sub> Thin Films in the Electrocatalytic Oxygen Evolution Reaction Open
We study the electrocatalytic oxygen evolution reaction using in situ X-ray absorption spectroscopy (XAS) to track the dynamics of the valence state and the covalence of the metal ions of LaFeO3 and LaFeO3/LaNiO3 thin films. The active mat…
View article: Atomic multiplet and charge-transfer screening effects in 1$s$ and 2$p$ core-level X-ray photoelectron spectra of early 3$d$ transition-metal oxides
Atomic multiplet and charge-transfer screening effects in 1$s$ and 2$p$ core-level X-ray photoelectron spectra of early 3$d$ transition-metal oxides Open
We present a comparative analysis of 1$s$ and 2$p$ core-level hard X-ray photoelectron spectroscopy (HAXPES) spectra in metallic VO$_2$ and CrO$_2$. Even though the V 1$s$ and 2$p$ spectra in VO$_2$ display similar line shapes except the a…
View article: Deciphering the Origin of Interface‐Induced High Li and Na Ion Conductivity in Nanocomposite Solid Electrolytes Using X‐Ray Raman Spectroscopy
Deciphering the Origin of Interface‐Induced High Li and Na Ion Conductivity in Nanocomposite Solid Electrolytes Using X‐Ray Raman Spectroscopy Open
Solid‐state electrolytes (SSEs) with high ionic conductivities are crucial for safer and high‐capacity batteries. Interface effects in nanocomposites of SSEs and insulators can lead to profound increases in conductivity. Understanding the …