WO2005074049-A3  CHEN, G. ET AL: "Thermally-Excited Nonequilibrium States Between Electrons and Phonons for Energy Conversion" MECT-04, INTERNATIONAL SYMPOSIUM ON MICROSCALE/NANOSCALE ENERGY CONVERSION & TRANSPORT, [Online] 8 August 2004 (2004-08-08), XP002341888 Seoul, Korea Retrieved from the Internet: URL:http://mect-04.snu.ac.kr/down/keynote 03.pdf [retrieved on 2005-08-18];  ZENG T ET AL: "Nonequilibrium electron and phonon transport and energy conversion in heterostructures" March 2003 (2003-03) , MICROELECTRONICS JOURNAL, MACKINTOSH PUBLICATIONS LTD. LUTON, GB, PAGE(S) 201-206 XP004412602 ISSN: 0026-2692 the whole document;  TAOFANG ZENG ET AL: "Hot electron effects on thermionic emission cooling in heterostructures" THERMOELECTRIC MATERIALS 1998 - NEXT GENERATION MATERIALS FOR SMALL-SCALE REFRIGERATION AND POWER GENERATION APPLICATIONS. SYMPOSIUM MATER. RES. SOC WARRENDALE, PA, USA, vol. 545, 1999, pages 467-472, XP008051576 ISBN: 1-55899-451-3;  HAGELSTEIN P ET AL: "Thermally-induced current injection across an npn structure" THERMOELECTRICS, 2003 TWENTY-SECOND INTERNATIONAL CONFERENCE ON - ICT LA GRANDE MOTTE, FRANCE AUG. 17-21, 2003, PISCATAWAY, NJ, USA,IEEE, 17 August 2003 (2003-08-17), pages 554-557, XP010697374 ISBN: 0-7803-8301-X;  HAGELSTEIN P ET AL: "Thermally-induced current injection across an n*-n junction" THERMOELECTRICS, 2002. PROCEEDINGS ICT '02. TWENTY-FIRST INTERNATIONAL CONFERENCE ON AUG. 25-29, 2002, PISCATAWAY, NJ, USA,IEEE, 25 August 2002 (2002-08-25), pages 400-403, XP010637511 ISBN: 0-7803-7683-8;  YAN KUCHEROV ET AL: "Energy conversion using diode-like structures" 25 August 2002 (2002-08-25) , THERMOELECTRICS, 2002. PROCEEDINGS ICT '02. TWENTY-FIRST INTERNATIONAL CONFERENCE ON AUG. 25-29, 2002, PISCATAWAY, NJ, USA,IEEE, PAGE(S) 431-434 XP010637518 ISBN: 0-7803-7683-8 the whole document;  PIPE K P ET AL: "Bias-dependent Peltier coefficient and internal cooling in bipolar devices" PHYSICAL REVIEW B (CONDENSED MATTER AND MATERIALS PHYSICS) APS THROUGH AIP USA, vol. 66, no. 12, 15 September 2002 (2002-09-15), pages 125316.1-125316.11, XP002341889 ISSN: 0163-1829;  MAHAN G D ET AL: "MULTILAYER THERMIONIC REFRIGETION" PHYSICAL REVIEW LETTERS, NEW YORK,NY, US, vol. 80, no. 18, 4 May 1998 (1998-05-04), pages 4016-4019, XP000956428 ISSN: 0031-9007