Lithium phosphides (LiP and Li3P) were synthesized by the exothermic reaction between lithium melt and phosphorus powder in an inert atmosphere. The structure of these compounds was studied using X-ray diffraction and elemental analysis. LiP crystallizes in a monoclinic structure and has a black...

Changes in Ti K-edge X-ray absorption fine structure (XAFS) spectra of lithium titanium oxide (LTO) during the charge discharge cycle of lithium ion battery were investigated by using a specially designed cell for in situ X-ray measurement. Thought LTO is famous for zero-strain lattice during th...

Lithium titanium oxide prepared by the hydrogen reduction synthesis of Li[Li1/3Ti5/3]O4 (LTO) exhibits electronic conductivity. The product demonstrated a superior rate capability than pristine LTO upon the examination of a pellet electrode in the absence of conductive additives. The rate capabi...

Titanium oxide lithium ion sieve (Ti-LIS) is regarded as the most promising adsorbent due to its highest theoretical lithium adsorption capacity and excellent stability among various other lithium ion sieves. A new kind of Ti-LIS precursor with Mo-doped was prepared by a facile calcination metho...

The electrochemical performance of lithium ion batteries depend largely on the structural properties of electrode materials. In this work, we propose an approach to synthesize lithium-rich layered oxides (LLOs) materials using a manganese dioxide (MnO2) template strategy, which could control the...

The weak rate capability and cyclic stability are stubborn issues limiting the application of intriguing lithium-rich layered oxide in the lithium-ion batteries. In this work, a glucose-based treatment was proposed to modify the microstructure and electrochemical properties of the lithium-rich l...

Lithium-rich layered oxides are promising cathode materials for lithium-ion batteries due to their high reversible capacities (more than 250 mAh g−1). Nevertheless, in operation, the oxygen lattice would be transformed into O2 gas with phase transformation. Thus, to suppress O2 gas, it is necess...

Pure lithium (Li) surfaces are difficult to maintain in fusion devices due to rapid oxide formation, therefore, parameterizing and understanding the mechanisms of hydrogen (H, D) retention in lithium oxide (Li2O) in addition to pure Li is crucial for Li plasma-facing material applications. To co...

Spinel lithium manganese oxide (LiMn2O4) has been widely used as the commercial cathode material for lithium-ion batteries due to its low cost, environmental benignity as well as high-energy density. Nevertheless, LiMn2O4 electrode suffers from a capacity fading during the cycling process, which...

In this study, recovery of lithium in seawater using a titanium-intercalated lithium manganese oxide composite (LTMO) was investigated along with its adsorption capacity and durability. To minimize manganese dissolution during the extraction of Li+ by acidic treatment, a spinel type of LTMO was ...

The oxidation resistance of ZrB2–SiC-based ultrahigh-temperature ceramic (UHTC) is remarkably enhanced by the addition of lanthanum hexaboride, which has demonstrated outstanding oxidation resistance to temperatures up to 2400 °C. The improved oxidation resistance is attributed to the formatio...

Various quasi-one-dimensional (1D) structures on Si(111) surface induced by submonolayer La are investigated by scanning tunneling microscopy/spectroscopy (STM/STS) and density-functional theory (DFT) calculations. Three types of reconstructions, 5 × 2, (2 m + 1) × 6 (m > 2, integer) and 2 × ...

The thermal stability of high-κ dielectrics on Si is critical in avoiding the malfunction of metal oxide field effect transistors (MOSFET) in devices. Series of annealing experiments have been performed to investigate the thermal stability of atomic layer deposited (ALD) lanthanum aluminate (LA...

High temperature oxidation behavior of a Mo–9Si–8B (at.%) alloy containing 0.2 and 2 at.% La was studied between 750 and 1400 °C in static air. Isothermal thermogravimetric analysis for up to 72 h indicated a significant improvement in the oxidation resistance of the 2La-alloyed material in t...

Alternating layers of Si (200 Å thick) and La (200 Å thick), up to 20 layers altogether, were deposited by electron evaporation under uhv conditions on Si(100) substrates held at 150°C. Isothermal, rapid thermal annealing has been used to react these LaSi multilayer films. Intermixing of thes...

The Gibbs free energy, enthalpy and entropy of formation of the compounds ScSi, Sc5Si3, ScGe2, ScGe, Sc11Ge10, Sc5Ge4, Sc5Ge3, LaSi2-x, LaGe2-x, LaGe, La5Ge4, NdSi2-x, NdGe2-x, GdSi2-x, GdSi1.5, GdSi, Gd5Si4, Gd5Si3, GdGe2-x, GdGe1.5, GdGe, Gd5Ge4, Gd5Ge3 were determined by measuring the e.m.f. ...

This work reports a novel method for improving the electrical properties of lanthanum gate oxide (La2O3) by using aluminum doping and rapid thermal annealing (RTA) techniques. In the bulk of the Al-doped La2O3 film together with 600 °C RTA, we found that the aluminum atoms were incorporated int...

Thin films of LaSi2 − x, prepared by solid phase reaction of La with Si substrates in vacuum, have been studied using X-ray diffraction and electron microscopy. Their electrical resistivity was measured as a function of temperature from 1.6 to 300 K. The LaSi2 − x layers were found to be metalli...

The reactivity of hydrogen towards the lanthanum silicides, La5Si3, LaSi and LaSi2, has been studied by gravimetric and differential thermoanalytical methods. Synthesized silicides and hydrogenated phases have been characterized by X-ray diffraction. The hydrogen interaction is attributed to the...

A room temperature electrochemical synthesis of Zinc Indium Selenide (ZnIn2Se4) thin films has been carried out. The films were polycrystalline and exhibited n-type conductivity. ZnIn2Se4 films were found to be photoactive in polysulphide solution. The photo electrochemical (PEC) studies of thes...