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  ______   __   __    _____     _____     _  _   
 /_____//  \ \\/ //  |__  //   |  ___||  | \| || 
 `____ `    \ ` //     / //    | ||__    |  ' || 
 /___//      | ||     / //__   | ||__    | .  || 
 `__ `       |_||    /_____||  |_____||  |_|\_|| 
 /_//        `-`'    `-----`   `-----`   `-` -`  
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Text this: A self-rectifying HfO x-based unipolar RRAM with Nisi electrode