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Owing to strong electron-electron interactions, transition metal oxide materials can exhibit multiple phases with vastly different electronic, magnetic, structural, and thermal properties. Reversible control of the transitions between these phases by electronic means can give rise to completely novel devices which can provide new functionalities and help to overcome limits of traditional semiconductor...
As GaN-based amplifier technology is garnering interest due to its inclusion into major proposed DoD systems, we look to extend the operating frequency and scale the output power of the technology to the millimeter-wavelength (MMW) regime (30–300 GHz). Enabling power performance in this frequency range not only entails geometric device scaling, but also requires novel heterostructure and device design...
Assessment of intervertebral movement through palpation forms the basis for mobilisation techniques used to treat patients with vertebral disorders. There is contradictory evidence on whether clinicians can reliably choose which spinal level to treat based on palpation. In general, it appears that the reliability of palpation has been less than moderate when practised by clinicians without specialist...
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