Bismuth Ferrite (BiFeO3) Sputtering Targets, Indium
Purity: 99.9% Size: 2” Thickness: 0.125”
Sputtering is a reliable technique for depositing thin films from a variety of materials onto substrates of different shapes and sizes. The process using sputtering targets is repeatable and scalable, suitable for both small R&D projects and larger production batches. Chemical reactions can occur on the target surface, in-flight, or on the substrate depending on process parameters. Although complex due to multiple variables, sputter deposition provides experts with precise control over film growth and microstructure.
Applications of Sputtering Targets
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Thin Film Deposition: Material is eroded from a “target” and deposited onto a “substrate,” such as a silicon wafer.
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Semiconductor Etching: Sputter etching is used when high anisotropy is required and selectivity is less critical.
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Analytical Use: Gradual etching of the target allows composition analysis, including detection of very low impurity levels, as in Secondary Ion Mass Spectroscopy (SIMS).
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Space Applications: Sputtering is a form of space weathering, altering the physical and chemical properties of airless bodies like the Moon and asteroids.
About Bismuth Ferrite (BiFeO3)
Bismuth ferrite (BiFeO3) is an inorganic compound with a perovskite structure and is among the most promising multiferroic materials. Sputtering targets are typically produced by high-temperature sintering or recrystallization of Bi and Fe oxide compounds to obtain a single-phase BiFeO3 material. Indium bonding is recommended for these targets.
Bismuth ferrite is a Pb-free ferroelectric (FE) material with outstanding properties, including high remnant polarization, high Curie temperature, and high antiferromagnetic Néel temperature. It uniquely exhibits both magnetic and ferroelectric behavior at and above room temperature. Recently, its polarization-induced photovoltaic properties have attracted attention due to its large remnant polarization and direct band gap (3.3 eV). Properly prepared BiFeO3 films are highly suitable for investigating the ferroelectric photovoltaic effect, outperforming many other ferroelectric materials.
