Chao, K. A.Mal'shukov, A. G.2004-12-142004-12-1420012001http://hdl.handle.net/2003/1882810.17877/DE290R-12688enThe American Physical SocietyPhysical Review Letters530Opto-Thermionic Refrigeration in Semiconductor Heterostructures10.1103/PhysRevLett.86.5570article (journal)