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  1. Article

    Open Access

    Full-scale computation for all the thermoelectric property parameters of half-Heusler compounds

    The thermoelectric performance of materials relies substantially on the band structures that determine the electronic and phononic transports, while the transport behaviors compete and counter-act for the powe...

    A. J. Hong, L. Li, R. He, J. J. Gong, Z. B. Yan, K. F. Wang… in Scientific Reports (2016)

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  2. No Access

    Article

    Enhanced Thermoelectric Performance of Te-doped FeSb \(_{2}\) Nanocomposite

    Nanostructured samples of FeSb \(_{1.84}\) ...

    M. Pokharel, H. Z. Zhao, M. Koirala, Z. F. Ren… in Journal of Low Temperature Physics (2014)

  3. No Access

    Article

    Thermoelectric properties of Ho-doped Bi0.88Sb0.12

    The Seebeck coefficients, electrical resistivities, total thermal conductivities, and magnetization are reported for temperatures between 5 and 350 K for n-type Bi0.88Sb0.12 nano-composite alloys made by Ho-dopin...

    K. C. Lukas, G. Joshi, K. Modic, Z. F. Ren, C. P. Opeil in Journal of Materials Science (2012)

  4. No Access

    Article

    Superconducting Thallium Oxide and Mercury Oxide Films

    Previously we reported on a two-layer electrodeposition process of thallium oxide superconductors that showed transport critical current density above 106 A/cm2 at 77 K in zero field. In this article, we report o...

    Raghu N. Bhattacharya, S. L. Yan, Zhongwen **ng… in MRS Online Proceedings Library (2011)

  5. No Access

    Article

    Dispersion and Alignment of Carbon Nanotubes in Polycarbonate

    Dispersion and alignment of carbon nanotubes in thermoplastic polymers such as polycarbonate have been studied. Dispersion was accomplished by mixing in a conical twin-screw extruder and alignment was carried ...

    Michael Sennett, Elizabeth Welsh, J. B. Wright, W. Z. Li… in MRS Online Proceedings Library (2011)

  6. No Access

    Article

    Enhancement of Thermoelectric Figure-of-Merit by a Nanostructure Approach

    The dimensionless thermoelectric figure-of-merit (ZT) in bulk materials has remained about 1 for many years. Here we show that a significant ZT improvement can be achieved in nanocrystalline bulk materials. Th...

    Z. F. Ren, B. Poudel, Y. Ma, Q. Hao, Y. C. Lan… in MRS Online Proceedings Library (2009)

  7. No Access

    Article

    The Promise of Nanocomposite Thermoelectric Materials

    The concept of using nanocomposite thermoelectric materials in bulk form for practical applications is presented. Laboratory studies have shown the possibilities of nanostructures to yield large reductions in ...

    M. S. Dresselhaus, G. Chen, Z. F. Ren, K. McEnaney… in MRS Online Proceedings Library (2009)

  8. No Access

    Article

    New composite thermoelectric materials for energy harvesting applications

    The concept of using nanostructured composite materials to enhance the dimensionless thermoelectric figure of merit ZT relative to that for their counterpart homogeneous alloyed bulk crystalline materials of s...

    M. S. Dresselhaus, G. Chen, Z. F. Ren, G. Dresselhaus, A. Henry, J. -P. Fleurial in JOM (2009)

  9. No Access

    Article

    Microemulsion Synthesis of Nd0.5Ca0.5MnO3 and Nd0.5Sr0.5MnO3 Nanoparticles

    Nd0.5Ca0.5MnO3 (NCMO) and Nd0.5Sr0.5MnO3 (NSMO) nanoparticles have been synthesized using microemulsion synthesis method, with hexamethylene alkyl, a mixture of OP and 1-hexanol, NaOH as oil phase, surfactant, an...

    Z. Q. Wang, K. B. Yin, F. Gao, K. F. Wang, Z. F. Ren… in MRS Online Proceedings Library (2007)

  10. No Access

    Article

    New Directions for Nanoscale Thermoelectric Materials Research

    Many of the recent advances in enhancing the thermoelectric figure of merit are linked to nanoscale phenomena with both bulk samples containing nanoscale constituents and nanoscale materials exhibiting enhance...

    M. S. Dresselhaus, G. Chen, M. Y. Tang, R. G. Yang… in MRS Online Proceedings Library (2006)

  11. Article

    Superplastic carbon nanotubes

    Conditions have been discovered that allow extensive deformation of rigid single-walled nanotubes.

    J. Y. Huang, S. Chen, Z. Q. Wang, K. Kempa, Y. M. Wang, S. H. Jo, G. Chen… in Nature (2006)

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  12. No Access

    Article

    Tribological behavior and graphitization of carbon nanotubes grown on 440C stainless steel

    Vertically aligned carbon nanotube (CNT) arrays were directly grown onto 440C stainless steel substrates by plasma-enhanced chemical vapor deposition. Tribological properties of both short and long CNTs sample...

    J.J. Hu, S.H. Jo, Z.F. Ren, A.A. Voevodin, J.S. Zabinski in Tribology Letters (2005)

  13. No Access

    Article

    Synthesis, Characterization and Thermal Stability of Highly Crystallized Titania Nanotubes

    Gram quantities of titania (TiO2) nanotubes, with typical outside diameter about 9 nm, wall thickness about 2.5 nm, and length about 600 nm, were synthesized from anatase nano- and micro-powder using the hydrothe...

    B. Poudel, W. Z. Wang, C. Dames, J. Y. Huang, S. Kunwar… in MRS Online Proceedings Library (2005)

  14. No Access

    Article

    Large hexagonal arrays of aligned ZnO nanorods

    Large-scale truly periodic arrays of vertically aligned zinc oxide nanorods were grown on pre-patterned and pre-annealed gold dots on a-plane sapphire substrates via the vapor–liquid–solid mechanism. Periodic ...

    D. Banerjee, J. Rybczynski, J.Y. Huang, D.Z. Wang, K. Kempa, Z.F. Ren in Applied Physics A (2005)

  15. No Access

    Chapter

    Ex-Situ Processing of Ti-Containing Films

    J. Y. Lao, J. H. Wang, D. Z. Wang, S. X. Yang… in Second-Generation HTS Conductors (2005)

  16. No Access

    Article

    Carbon nanotube growth on metal-catalyzed substrates in a laser oven apparatus

    Carbon nanotubes (CNTs) were grown on Ni- and Fe-coated SiO2/Si substrates in a laser oven apparatus. The grown CNTs were analyzed by scanning electron microscopy. It is speculated that the CNTs grow out from the...

    Y. Suda, A. Tanaka, A. Okita, M.A. Bratescu, Y. Sakai… in MRS Online Proceedings Library (2004)

  17. No Access

    Article

    Synthesis and characterization of boron carbide nanoparticles

    Boron carbide nanoparticles were made via a reaction of boron, obtained from thermal decomposition of magnesium diboride, with multiwall carbon nanotubes at 1150 °C for 3 h in vacuum. The size of the nanoparti...

    S. Chen, D.Z. Wang, J.Y. Huang, Z.F. Ren in Applied Physics A (2004)

  18. No Access

    Article

    Magnetic resonance of Cu and of Gd in insulating GdSr2Cu2NbO8 and in superconducting GdSr2Cu2RuO8

    Weak-ferromagnetic (or antiferromagnetic) resonance of Cu and electron spin resonance (ESR) of Gd are observed both in insulating GdSr2Cu2NbO8 and in superconducting GdSr2Cu2RuO8. The Cu resonance implies that th...

    J. D. Dow, H. A. Blackstead, Z. F. Ren… in Journal of Experimental and Theoretical Ph… (2004)

  19. No Access

    Article

    ZnO nanowalls

    Wurtzite ZnO nanowall structures have been synthesized on a (110) Al2O3 substrate by a thermal evaporation and condensation method. The nanowalls are connected to each other and have a thickness of about 20–100 n...

    J.Y. Lao, J.Y. Huang, D.Z. Wang, Z.F. Ren, D. Steeves, B. Kimball… in Applied Physics A (2004)

  20. No Access

    Article

    Plasma Coating and Enhanced Dispersion of Carbon Nanotubes

    Ultrathin polymer films have been deposited on both multi-wall and aligned carbon nanotubes using a plasma polymerization treatment. TEM experimental results showed that a thin film of polystyrene layer (sever...

    Peng He, Jie Lian, Donglu Shi, Lumin Wang, Wim van Ooij… in MRS Online Proceedings Library (2003)

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