In this study, we investigated the effects of ultra-high dielectric constant (uHDC) material for reducing noise and enhancing the B1 efficiency at 300 MHz for 1H nuclear applications at 7T. Using electromagnetic field simulations [CST Studio (2020) software] and imaging experiments, we estimated B1+ efficiency maps for a phantom mouse brain with and without uHDC material. Our results show significant enhancement of B1+ efficiency and Signal-to-Noise ratio (SNR) in the presence of the uHDC material.
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Jayatilake et al. (2024) studied this question.
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