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

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Text this: A2Bn-1PbnI3n+1 (A = BA, PEA; B = MA; n = 1, 2): engineering quantum-well crystals for high mass density and fast scintillators