Dielectric responses of Ba(Mg1/3Ta2/3)O3 ceramics

Kumar, Ranjit; Singh, Rajeev; Senguttuvan, T. D.

doi:10.1063/5.0019921

Cited by 1 publication

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“…2,3) Ba(Mg 1/3 ,Ta 2/3 )O 3 (BMT) is a promising material for microwave devices owing to its low dielectric loss and temperature coefficient in the microwave frequency range. [4][5][6][7][8][9][10][11][12][13][14][15] Crystal structure is related to the dielectric loss. The crystal structure of BMT is determined by X-ray diffraction (XRD), transmission electron microscopy (TEM), scanning TEM (STEM), and first-principles calculations to obtain either the ordered or disordered occupation of the perovskite B sites by Mg and Ta.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Ba(Mg_1/3, Ta_2/3)O₃ by atomic-resolution scanning transmission electron microscopy

Ootsuki,

Masaoka,

Calderon

et al. 2023

Jpn. J. Appl. Phys.

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The crystal structure of Ba(Mg1/3,Ta2/3)O3, which is thought to contribute to its microwave properties, was analyzed at the atomic resolution using scanning transmission electron microscopy (STEM). Using STEM, Ba(Mg1/3,Ta2/3)O3 exhibits an ABO3-type perovskite structure observed in the [110] direction with two structures identified: a disordered region, in which Mg and Ta atoms randomly occupy the B site, and an ordered region, in which Mg and Ta atoms are ordered. In the disordered region, the displacement directions of the Ba|O and Mg/Ta atomic columns were random, whereas in the ordered region, the displacement directions of the Ba|O and Mg atomic columns were random. The Ta atomic columns were displaced toward the neighboring Mg atomic columns. This structural change may affect the microwave properties of Ba(Mg1/3,Ta2/3)O3.

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Section: Introductionmentioning

confidence: 99%

Analysis of Ba(Mg_1/3, Ta_2/3)O₃ by atomic-resolution scanning transmission electron microscopy

Ootsuki,

Masaoka,

Calderon

et al. 2023

Jpn. J. Appl. Phys.

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show abstract

Dielectric responses of Ba(Mg1/3Ta2/3)O3 ceramics

Cited by 1 publication

References 12 publications

Analysis of Ba(Mg_1/3, Ta_2/3)O₃ by atomic-resolution scanning transmission electron microscopy

Analysis of Ba(Mg_1/3, Ta_2/3)O₃ by atomic-resolution scanning transmission electron microscopy

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Dielectric responses of Ba(Mg1/3Ta2/3)O3 ceramics

Cited by 1 publication

References 12 publications

Analysis of Ba(Mg1/3, Ta2/3)O3 by atomic-resolution scanning transmission electron microscopy

Analysis of Ba(Mg1/3, Ta2/3)O3 by atomic-resolution scanning transmission electron microscopy

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Analysis of Ba(Mg_1/3, Ta_2/3)O₃ by atomic-resolution scanning transmission electron microscopy

Analysis of Ba(Mg_1/3, Ta_2/3)O₃ by atomic-resolution scanning transmission electron microscopy