Importance

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Abstract

A target for heavy ion or electron bombardment is contemplated as is a method of its preparation. In that method, a) liquid target solution of a target metal salt dissolved in water is deposited into the bottom of a metal target capsule having an open top, and b) heated within the target capsule to form a crystalline material. Steps a) and b) are repeated until the crystalline material contains a target amount of target salt. The target capsule is then heated until the weight of the target capsule remains constant. To mitigate the formation of salt creep during the preparation, the liquid target solution can contain about 2 to about 20 percent v/v of a C₂-C₄ polyol, or the inside surface of the target capsule is coated with a hydrophobic film that provides a contact angle with water of about 70 to about 1300 prior to liquid deposition.

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First Claim