Text this: Formation of CuS with flower-like, hollow spherical, and tubular structures using the solvothermal-microwave process

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