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  ______   __   __   _____       ___       _____  
 /_   _//  \ \\/ // |  __ \\    / _ \\    / ___// 
   | ||     \ ` //  | |  \ ||  | / \ ||   \___ \\ 
  _| ||      | ||   | |__/ ||  | \_/ ||   /    // 
 /__//       |_||   |_____//    \___//   /____//  
 `--`        `-`'    -----`     `---`   `-----`

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Text this: Field emission properties of SiO2-wrapped CNT field emitter