Lithium Lanthanum Titanate (La0.5Li0.5TiO3, LLTO) PLD Target

Introduction to Lithium Lanthanum Titanate Thin Film

LLTO is used in thin film form as a solid-state electrolyte in various energy storage and conversion devices such as lithium-ion batteries, solid-state lithium-ion capacitors, and electrochromic windows.

Lithium Lanthanum Titanate (LLTO) is a perovskite oxide material that has gained significant interest in the field of solid-state ionics due to its high ionic conductivity and excellent stability against chemical and electrochemical reactions. There are several techniques for depositing LLTO thin films, including; Pulse laser deposition (PLD), Spin coating, Sputtering, and chemical vapor deposition (CVD)

Advantages of Lithium Lanthanum Titanate

• High ionic conductivity
• Excellent stability against chemical and electrochemical reactions
• Good mechanical stability
• Can be deposited on various substrates
• Suitable for high-temperature applications

Crystal Structure of Lithium Lanthanum Titanate

LLTO has a perovskite crystal structure with a space group of Pm-3m. The perovskite structure has the chemical formula ABX3, where A and B are cations and X is an anion. The unit cell consists of titanium, lanthanum, lithium, and oxygen atoms arranged in a cubic lattice.

Typical Substrates for Epitaxial Growth of Lithium Lanthanum Titanate

LLTO can be epitaxially grown on various substrates with a good lattice match, including

• Strontium titanate (SrTiO3)
• LaAlO3
• YSZ (yttria-stabilized zirconia)
• MgO (magnesium oxide)
• Si (silicon)

Other Similar Thin Film Materials to Lithium Lanthanum Titanate

Other thin film materials that exhibit similar properties to LLTO include:

• Lithium lanthanum zirconate (LLZO)
• Lithium aluminum titanium phosphate (LATP)
• Lithium garnet (Li6La3Zr2O12)