CERAMIC MATERIAL, METHOD FOR MANUFACTURING THE SAME, AND SEMICONDUCTOR MANUFACTURING APPARATUS MEM

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The ceramic material of the present invention contains a crystalline phase of a complex oxide containing a Group Il element M and a rare earth element RE, The Group II element M is Sr, ca, or Ba. An XRD diagram of the ceramic material shows a first new peak between peaks derived from the (040) plane and the (320) plane of MRE2O4. Such a ceramic material may be manufactured by, for example, preparing a material containing MRE2O4 or a material capable of reacting in thermal spray flame to produce MRE2O4 as a thermal spray material, and thermally spraying the thermal spray material onto a predetermined object.