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 <p>The electrical and mechanical responses of crystal materials, and the control of their coupled effect, form one of the central themes in material science. They are vital to applications such as ultrasonic generators and non-volatile memory. However, despite knowledge of how to control such materials being widely demonstrated in practice, to date the physical principle behind the controllability through lattice organization remains undefined. Researchers at the University of Tokyo Institute of Industrial Science have sought to change this by creating a model based on the conflict between different lattice interactions. Their findings were published in PNAS.</p><p>&nbsp;</p><h2>BUT THIS IS THE POINT...</h2><p>&nbsp;</p><blockquote><p>"Understanding the underlying principle that governs ferroelectric and antiferroelectric organization and transitions is key to achieving optimal control of the properties that are already being utilized in many different applications," lead author Kyohei Takae says. "By carrying out thorough modeling of these systems we hope to be able to enhance the rational design of a wide range of materials including <a href="https://phys.org/tags/non-volatile+memory/">non-volatile memory</a> devices—hard drives and flash memory—and electro-mechanical actuators, used in robotic instruments."</p></blockquote><p><strong>This new model could have actual benefit in the design of our data storage. I would expect that the model will help shrink the size of the storage form factor and also allow for much denser structure given the better understanding of the interplay of the crystaline materials.</strong></p>  

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