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(NaY)1/2MoO4 was fabricated via the solid‐state reaction method of Na2CO3, Y2O3, and MoO3. Scanning electron microscopy results demonstrated that all the (NaY)1/2MoO4 ceramics could be densified well in the sintering temperature range of 900–960°C. Results of X‐ray diffraction analysis demonstrated that the (NaY)1/2MoO4 ceramics crystallized into tetragonal scheelite structure. Sintering (NaY)1/2MoO4 at 940°C for 2 h optimized the microwave dielectric properties of the ceramics. The microwave permittivity, Q × f, and TCF of the (NaY)1/2MoO4 were 10.9, 29 000 GHz and −40.7 ppm/°C, respectively.

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