Thin epitaxial films of cobaltites have been synthesized using pulsed laser deposition. It was found that the film properties are extremely sensitive to the oxygen pressure during deposition, temperature of the substrate, and the cooling rate. Growth parameters were optimized for films with ordered Tb and Ba ions, as well as oxygen vacancies. The properties of these -axis oriented films are similar to bulk : they show a metal-insulator phase transition at , ferromagnetic order below , and antiferromagnetism at .
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