Gehong Zeng

ECE Department
Engr. Science Bldg., Rm. 2221G
UCSB, Santa Barbara, CA 93106
Tel: (805) 893-4883
Fax: (805) 893-7990
Email: gehong [at] ece [dot] ucsb [dot] edu

Gehong Zeng received his B.S. degree from South China Institute of Technology, Guangzhou, China, in 1982 and the M.S. and Ph.D. degree from Shaanxi Microelectronics Research Institute, Xian, China, in 1987, and 1992, respectively. He is currently with Electrical and Computer Engineering Department, at the University of California, Santa Barbara. His research interests include design, fabrication and testing of semiconductor devices for thermal management and energy conversion.

Journal Publications

"Thermoelectric power generator module of 16x16 Bi2Te3 and 0.6%ErAs:(InGaAs)1−x(InAlAs)x segmented elements," G. Zeng, J.-H. Bahk, J. E. Bowers, H. Lu, A. C. Gossard, S. L. Singer, A. Majumdar, Z. Bian, M. Zebarjadi, A. Shakouri, Applied Physics Letters, 95, 083503, 2009

"High temperature thermoelectric characterization of III-V semiconductor thin films by oxide bonding," J.-H. Bahk, G. Zeng, J. M. O. Zide, H. Lu, R. Singh, D. Liang, A. Ramu, Z. Bian, A. Shakouri, A. C. Gossard, J. E. Bowers, Journal of Applied Physics, submitted, 2009

"Direct measurement of thin-film thermoelectric figure of merit," R. Singh, Z. Bian, A. Shakouri, G. Zeng, J.-H. Bahk, J. E. Bowers, J. M. O. Zide, A. C. Gossard, Applied Physics Letters, 94, 212508, 2009

"Effect of nanoparticle scattering on thermoelectric power factor," M. Zebarjadi, K. Esfarjani, A. Shakouri, J.-H. Bahk, Z. Bian, G. Zeng, J. E. Bowers, H. Lu, J. Zide, A. Gossard, Applied Physics Letters, 94, 202105, 2009

"Effect of Nanoparticles on Electron and Thermoelectric Transport," M. Zebarjadi, K. Esfarjani, A. Shakouri, Z. Bian, J.-H. Bahk, G. Zeng, J. E. Bowers, H. Lu, J. Zide, A. Gossard, Journal of Electronic Materials, 38, Online First (66), 2009

"Power Generator Modules of Segmented Bi2Te3 and ErAs:(InGaAs)(1-x)(InAlAs)(x)," G. Zeng, J.-H. Bahk, J. E. Bowers, H. Lu, J. M. O. Zide, A. C. Gossard, R. Singh, Z. Bian, A. Shakouri, S. L. Singer, W. Kim, A. Majumdar, Journal of Electronic Materials, v37, 12, pp.1786-1792, 2008

"ErAs: (InGaAs)1−x(InAlAs)x alloy power generator modules," G. Zeng, J.-H. Bahk, J. E. Bowers, J. M. O. Zide, A. C. Gossard, Z. Bian, R. Singh, Z. Bian, A. Shakouri, W. Kim, S. Singer, A. Majumdar, Applied Physics Letters, 91/263510, 2007

"Cross-plane Seebeck coefficient and Lorenz number in superlattices," Z. Bian, M. Zebarjadi, R. Singh, Y. Ezzahri, A. Shakouri, G. Zeng, J.-H. Bahk, J. E. Bowers, J. M. O. Zide, A. C. Gossard, Physical Review B, 76, 205311, 2007

"Cross-plane Seebeck Coefficient of ErAs:InGaAs/InGaAlAs Superlattices," G. Zeng, J. M. O. Zide, W. Kim, J. E. Bowers, A. C. Gossard, Z. Bain, Y. Zhang, A. Shakouri, S. L. Singer, and A. Majumdar, Journal of Applied Physics, 101, 034502, 2007

"Demonstration of electron filtering to increase the Seebeck Coefficient in In[sub 0.53] Ga[sub 0.47] As/In[sub 0.53] Ga[sub 0.28] Al [sub 0.19] As superlattices," J. M Zide, D. Vashaee, Z. X. Brian, G. Zeng, J. E. Bowers, A. Shakouri, and A. C. Gossard, Physical Review B, Vol. 74, No. 20, 2006

"Cross-plane lattice and electronic thermal conductivities of ErAs:InGaAs/InGaAlAs superlattices," W. Kim, S. L. Singer, A. Majumdar, G. Zeng, J. E. Bowers, J. M. O. Zide, A. C. Gossard, Applied Physics Letters, 88, 242107, 2006

"On-Chip High Speed Localized Cooling Using Superlattice Microrefrigerators," Y. Zhang, J. Christofferson, A. Shakouri, G. Zeng, J. E. Bowers, E. T. Croke, IEEE TRANSACTIONS ON COMPONENTS AND PACKAGING TECHNOLOGIES, VOL. 29, NO. 2,, 2006

"ErAs:InGaAs/InGaAlAs superlattice thin-film power generator array," G. Zeng, J. E. Bowers, J. M. O. Zide, A. C. Gossard, W. Kim, S. Singer, A. Majumdar, R. Singh, Z. Bian, Y. Zhang, and A. Shakouri, Applied Physics Letters, 88, 113502, 2006

"Superlattice Microrefrigerators Fusion Bonded With Optoelectronic Devices," Y. Zhang, G. Zeng, J. Piprek, A. B. Cohen, A. Shakouri, IEEE TRANSACTIONS ON COMPONENTS AND PACKAGING TECHNOLOGIES, VOL. 28, NO. 4, 2005

"Thermoelectric Power Factor in Semiconductors With Buried Epitaxial Semimetallic Nanoparticles," J. M. Zide, D. O. Klenov, S. Stemmer, and A. C. Gossard, G. Zeng and J. E. Bowers, D. Vashaee and A. Shakouri, Applied Physics Letters, 87, pp. 112102, 2005

"Thermal Conductivity of Si/SiGe and SiGe/SiGe Superlattices," . T. Huxtable, A. R. Abramson, C.-L. Tien, A. Majumdar, C. LaBounty, X. Fan, G. Zeng, J. E. Bowers, A. Shakouri, E. T. Croke, Applied Physics Letters, vol. 80, no. 10, pp. 1737-1739, 2002

"SiGeC/Si superlattice microcoolers," X. Fan, G. Zeng, C. LaBounty, J. E. Bowers, E. Croke, C. C. Ahn, S. Huxtable, A. Majumdar, A. Shakouri, Applied Physics Letters, vol. 78, no. 11, pp. 1580-1582, 2001

"High cooling power density SiGe/Si micro coolers," X. Fan, G. Zeng, E. Croke, C. LaBounty, C.C. Ahn, D. Vashaee, A. Shakouri, J.E. Bowers, Electronics Letters, vol. 37, no. 2 , pp. 126-127,, 2001

"SiGe/Si Superlattice Coolers," X. Fan, G. Zeng, E. Croke, G. Robinson, C. LaBounty, A. Shakouri, J. E. Bowers, Physics of Low Dimensional Structures, no. 5-6, pp. 1-9, 2000

"SiGe Micro-Cooler," G. Zeng, A. Shakouri, C. La Bounty, G. Robinson, E. Croke, P. Abraham, X. Fan, H. Reese, J. Bowers, Electronics Letters, vol. 35, No. 24, pp. 2146-2147, 1999

Conference Publications

"6 Watt Segmented Power Generator Modules using Bi2Te3 and (InGaAs)1-x(InAlAs)x Elements Embedded with ErAs Nanoparticles," G. Zeng, J.-H. Bahk, A. Ramu, J. E. Bowers, H. Lu, A. C. Gossard, Z. Bian, M. Zebarjadi, A. Shakouri, Material Research Society Symposium, Vol. 1129, 1129-V08-04, 2008

"Segmented Power Generator Modules of Bi2Te3 and ErAs:InGaAlAs Embedded with ErAs Nanoparticles," G. Zeng, J.-H. Bahk, J. E. Bowers, H. Lu, J. M. O. Zide, A. C. Gossard, R. Singh, Z. Bian, A. Shakouri, S. L. Singer, W. Kim, and A. Majumdar, Material research Society Fall meeting,, Vol. 1044, p. U10-06, Boston, USA,, 2007

"Nanocomposites of Semimetallic ErAs Nanoparticles Epitaxially Embedded Within InGaAlAs-based Semiconductors for Thermoelectric Materials," J. M. O. Zide, G. Zeng, J.-H. Bahk, W. Kim, S. Singer, D. Vashaee, Z. X. Bian, R. Singh, J. E. Bowers, A. Majumdar, A. Shakouri, and A. C. Gossard, ICT 2006, , 2006

"400 Element ErAs:InGaAs/InGaAlAs Superlattice Power Generator," G. Zeng, J.-H. Bahk, J. E. Bowers, J. M. O. Zide, A. C. Gossard, Y. Zhang, R. Singh, Z. Bian, A. Shakouri, W. Kim, S. Singer, A. Majumdar, Material Research Society Fall meeting, Boston, USA, 2005

"ErAs/InGaAs superlattice Seebeck coefficient," G. Zeng, J. E. Bowers, Y. Zhang, A. Shakouri, J. M. Zide, A. C. Gossard, W. Kim, A. Majumdar, International Conference on Thermoelectrics, Clemson University, South Carolina, USA., 2005

"SiGe/Si superlattice power generators," G. Zeng, J. E. Bowers, Y. Zhang, A. Shakouri, International Conference on Thermoelectrics, Clemson University, South Carolina, USA., 2005

"Experimental Characterization and Modeling of InP-Based Microcoolers," R. Singh, D. Vashaee, Y. Zhang, M. Negassi, A. Shakouri, Y. Okuno, G. Zeng, C. LaBounty, and J. Bowers, Materials Research Society Fall Meeting 2003, Proceedings vol. 793, paper S11.4, Boston, MA, 2003

"SiGeC Cantilever Micro Cooler," G. Zeng, A. Shakouri, E. Croke, Y. Zhang, J. Christofferson, and J. E.Bowers, Materials Research Society Fall Meeting 2003, Proceedings vol. 793, paper S11.3 , Boston, MA., 2003

"Influence of Doping Concentration and Ambient Temperature on the Cross-Plane Seebeck Coefficient of InGaAs/InAIAs superlattices," Y. Zhang, D. Vashaee, R. Singh, A. Shakouri, G. Zeng, and Yi-Jin Chiu, Materials Research Society Fall Meeting 2003, Proceedings vol. 793, paper S2.4 , Boston, MA, 2003

"Cooling Power Density of SiGe/Si Superlattice Micro Refrigerators," G. Zeng, X. Fan, C. LaBounty, E. Croke, Y. Zhang, J. Christofferson, D. Vashaee, A. Shakouri, J. Bowers, Materials Research Society Fall Meeting 2003, Proceedings vol. 793, paper S2.2 , Boston, MA, 2003

"Thermal Conductivity of SI/SIGE Superlattices," S. Huxtable, A. Majumdar, C. LaBounty, G. Zeng, A. Shakouri, A. Abramson, C.-L. Tien, X. Feng, J. Bowers and E. Croke, Proceedings of IMECE '01: International Mechanical Engineering Conference and Exposition, pp. 1-7, New York, NY, 2001

"Wafer-fused thin film cooler semiconductor laser structures," C. Labounty, X. Fan, G. Zeng, Y. Okuno, A. Shakouri, J. E. Bowers, 20th International Conference on Thermoelectrics, Beijing, China., 2001

"Integrated Cooling for Si-based Microelectronics," X. Fan, G. Zeng, C. Labounty, D. Vashaee, J. Christofferson, A. Shakouri, J. E. Bowers, 20th International Conference on Thermoelectrics, Beijing, China., 2001

"Recent advances in InP-based thermionic coolers," C. Labounty, D. Vashaee, J. Christofferson, X. Fan, G. Zeng, A. Shakouri, J. E. Bowers, APS 2001 Conference, Seattle, WA., 2001

"The effect of superlattice parameters on the performance of SiGe/Si micro coolers," X. Fan, G. Zeng, C. LaBounty, E. Croke, A. Shakouri, J. E. Bowers, APS 2001 Conference, Seattle, WA., 2001

"Thermoreflectance imaging of superlattice micro refrigerators," J. Christofferson, D. Vashaee, A. Shakouri, P. Melese, Xiaofeng Fan, G. Zeng, C. Labounty, J. E. Bowers, E.T. Croke III, Seventeenth Annual IEEE Symposium on Semiconductor Thermal Measurement and Management, , 2001

"n- and p-type SiGe/Si Superlattice Coolers," X. Fan, G. Zeng, E. Croke, G. Robinson, C. LaBounty, A. Shakouri, J. E. Bowers, 7th Intersociety Conf. on Thermal and Thermo-Mechanical Phenomena in Electronic Systems (ITHERM), Las Vegas, NV., 2000

"P-type SiGe/Si Superlattice Cooler," X. Fan, G. Zeng, E. Croke, G. Robinson, C. LaBounty, C. C. Ahn, A. Shakouri, J. E. Bowers, Materials Research Society 2000 Spring Meeting, San Francisco, CA, 2000