Text this: Transport properties and thermoelectric figure of merit of YBa<inf>2</inf>Cu<inf>3</inf>O<inf>7-x</inf>-Bi<inf>0.5</inf>Na<inf>0.5</inf>TiO<inf>3</inf>ceramics

  ______   _    _    _    _    _    _     ____    
 /_   _// | || | || | \  / || | || | ||  |  _ \\  
 `-| |,-  | || | || |  \/  || | || | ||  | |_| || 
   | ||   | \\_/ || | .  . || | \\_/ ||  | .  //  
   |_||    \____//  |_|\/|_||  \____//   |_|\_\\  
   `-`'     `---`   `-`  `-`    `---`    `-` --`