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Author: winnie wong-ng

Displaying records 21 to 30 of 154 records.
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21. Round-Robin Studies of Two Potential Seebeck Coefficient Standard Reference Materials
Published: 1/14/2009
Authors: Nathan Lowhorn, Winnie K Wong-Ng, Weiping Zhang, John Lu, Makoto Otani, Evan L. Thomas, Martin L Green, Thanh Tran
Abstract: The scientific activities of NIST include the development and distribution of standard reference materials (SRM) for instrument calibration and inter-laboratory data comparison. Full characterization of a thermoelectric material requires measurement ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=851059

22. Synthesis and Transport Properties of Framework-Substituted Cs^d8^Na^d16^Cu^d5^Ge^d131^
Published: 1/13/2009
Authors: Matthew Beekman, James A Kaduk, J Gryko, Winnie K Wong-Ng, Alexander J. Shapiro, George S. Nolas
Abstract: We report the synthesis and temperature dependent transport properties of a new type II germanium clathrate, Cs8Na16Cu5Ge131 (space group Fd3m; a = 15.42000(9) ) . In comparison to the parent compound Cs8Na16Ge136, Cu substitution for Ge on the clat ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=851056

23. Structural and thermoelectric properties of Bi2Sr2Co2Oy thin films on LaAlO3 (100) and fused silica substrates
Published: 1/12/2009
Authors: Winnie K Wong-Ng, Mark D Vaudin, Shufang Wang, L Venimadhav, Shengming Guo, Ke Chen, Qi Li, A Soukiassian, D.G. Schlom, X.Q. Pan, D.G. Cahill, X. X. Xi
Abstract: We have grown Bi2Sr2Co2Oy thin films on LaAlO3 (100) and fused silica substrates by pulsed laser deposition. The films on LaAlO3 are c-axis oriented and partially in-plane aligned with multiple domains while the films on fused silica are preferred c- ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=900129

24. Local Structure of Cu in Cs8Na16Cu5Ge131 Type II Clathrate
Published: 1/8/2009
Authors: Winnie K Wong-Ng, Azzam Mansour, Matthew Beekman, George S. Nolas
Abstract: We have used X-ray absorption spectroscopy (XAS) to investigate the local structure of Cu and Ge in the Cs8Na16Cu5Ge131 type II clathrate. We show that the local structure parameters, coordination number, and distances for Ge are consistent with thos ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=854090

25. Combinatorial Studies of Ba-Y-Cu-O Films for Coated-Conductor Applications
Published: 10/23/2008
Authors: Winnie K Wong-Ng, Makoto Otani, Igor Levin, Peter K. Schenck, Zhi Yang, Guangyao Liu, Lawrence P. Cook, Ron Feenstra, Wei Zheng, Marty Rupich
Abstract: Phase relationships in bulk and thin film Ba-Y-Cu-O high-Tc superconductor system were determined at processing conditions relevant for industrial production of coated conductors. Our results demonstrated that the absence of BaY2CuO5 (which has a cr ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=854142

26. Materials Science &Technology (MS&T) 2008 Conference & Exhibition
Published: 7/18/2008
Author: Winnie K Wong-Ng
Abstract: The Materials Science &Technology 2008 Conference & Exhibition took place in the David L. Lawrence Convention Center in Pittsburgh, Pennsylvania from October 5-9. The MS&T 2008 Conference was a great success, with a total more than 1000 papers prese ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=900239

27. Development of High-throughput Thermoelectric Screening Tool for Combinatorial Thin Libraries
Published: 11/30/2007
Authors: Makoto Otani, K Itaka, Winnie K Wong-Ng, H Koinuma, Martin L Green
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=854359

28. Manifestation of Anisotropy in Melting Systematics of RBa3Cu3O7- (R=Ianthandies)
Published: 10/22/2007
Authors: H B Su, D O Welch, Winnie K Wong-Ng, Lawrence P. Cook, Zhi Yang
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=854375

29. Kinetics Studies of the Interfacial Reactions of the Ba^d2^Ycu^d3^O^d6+x^ Superconductor With CeO^d2^ Buffer
Published: 10/16/2007
Authors: Lawrence P. Cook, Winnie K Wong-Ng, Z Yang, Peter K. Schenck, Igor Levin, Julia Frank
Abstract: Interfacial reactions between the Ba2YCu3O6+x superconductor and the CeO2 buffer layer employed in coated conductors have been modeled experimentally by investigating the kinetics of the reaction between Ba2YCu3O6+x and CeO2. At 810 C and pO2 = 100 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=851030

30. High Temperature Superconductor Wires and Tapes
Published: 10/1/2007
Authors: M. P. Paranthaman, V Selvamanickam, K Matsumoto, Luigia Gianna, Wei-xian Zhang, P Goyal, Winnie K Wong-Ng
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=854399



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