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Shortlist 2019

The Anders Gustaf Ekeberg Tantalum Prize (‘Prize’) is awarded annually for outstanding contribution to the advancement of the knowledge and understanding of the element tantalum (Ta).

Announcing the 2019 shortlist, the Director of the T.I.C., Roland Chavasse, said that the long-term future of the tantalum market will depend on technology-driven innovations and the Prize will encourage research and development. “Winners of the Anders Gustaf Ekeberg Tantalum Prize will be acknowledged as true leaders in this field”, he added. 

The award is administered by the Tantalum-Niobium International Study Center (T.I.C.), the global trade body representing the tantalum and niobium industry.

The seven publications on the short list show the great versatility of tantalum:

  1.         Modelling fuzzy logic using tantalum-based multi-state memristive devices
  2.         Hydrometallurgical recycling of epoxy-coated solid tantalum capacitors
  3.         A study of the metallurgical properties of Ti-28 tantalum alloy
  4.         Creating TaN electrodes for use with tantalum-based memristive devices
  5.         Analysis of additively manufactured parts using Ti-25Ta alloy
  6.         Tantalum-yttrium oxide coatings for high-temperature Bragg (dielectric) mirrors
  7.         A study of the properties of tantalum when used in the additive manufacturing process


The winner will be chosen by the independent panel of experts and the Prize medal, made from pure tantalum metal, will be awarded at the T.I.C.’s 60th General Assembly (annual conference) in Hong Kong, in October 2019. The T.I.C.’s conference is the largest annual gathering of tantalum and niobium industry leaders, with delegates from every sector of the global industry.

The 2018 winner was Dr Yuri Freeman for his landmark treatise “Tantalum and Niobium-Based Capacitors”. Dr Freeman is the Director of Advanced Research in the Tantalum (Ta) business unit and a member of the Advanced Technology Group at KEMET Electronics.  


Title:  Multi-valued and fuzzy logic realization using TaOx memristive devices
Author(s): Debjyoti Bhattacharjee1, Wonjoo Kim2, Anupam Chattopadhyay1,3, Rainer Waser 2,4 & Vikas Rana2
Organisation(s): 1.     School of Computer Science and Engineering, Nanyang Technological University, Singapore, Singapore.
2.     Peter Grünberg Institut 7, Forschungszentrum Jülich GmbH, 52425, Jülich, Germany.
3.     School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore, Singapore.
4.     Institut für Werkstoffe der Elektrotechnik II, RWTH Aachen University, 52074, Aachen, Germany.
Full article at: https://www.nature.com/articles/s41598-017-18329-3


Title:  Microstructure and tensile properties of a Ti-28Ta alloy studied by transmission electron microscopy and digital image correlation
Author(s): Gang Chena,b,c, Jingou Yinb, Shaoyang Zhaob, Huiping Tangb, Xuanhui Qua.
Organisation(s): a.    Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, PR China
b.    State Key Laboratory of Porous Metal Materials, Northwest Institute for Non-ferrous Metal Research, Xi'an, Shaanxi 710016, PR China
c.    State Key Laboratory of Powder Metallurgy, Central South University, Changsha, Hunan 410083, PR China
Full article at: https://www.sciencedirect.com/science/article/abs/pii/S0263436818308357#! 


Title:  Hydrometallurgical process for tantalum recovery from epoxy-coated solid electrolyte tantalum capacitors
Author(s): Wei-Sheng Chen1, Hsing-Jung Ho1,2, and Kuan-Yan Lin1
Organisation(s): 1.    Department of Resources Engineering, National Cheng Kung University, No.1 University Road, Tainan City 701, Taiwan
2.    Department of Environmental Studies for Advanced Society, Graduate School of Environmental Studies, Tohoku University, Aoba-6-6 Aramaki, Aoba-ku, Sendai 980-8577, Miyagi, Japan
Full article at: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6515287/ 


Title:  Exploring oxygen-affinity-controlled TaN electrodes for thermally advanced TaOx bipolar resistive switching
Author(s): Taeyoon Kim1, Gwangho Baek2, Seungmo Yang1, Jung Yup Yang3, Kap Soo Yoon1, Soo Gil Kim4, Jae Yeon Lee4, Hyun Sik Im5 & Jin Pyo Hong1,2
Organisation(s): 1.     Novel Functional Materials and Devices Lab, The Research Institute of Natural Science, Department of Physics, Hanyang University, Seoul, 04763, South Korea.
2.     Division of Nanoscale Semiconductor Engineering, Hanyang University, Seoul, 04763, South Korea.
3.     Department of Physics, Kunsan National University, Geonbuk, 54150, South Korea.
4.     SK Hynix Semiconductor Inc., Icheon, 17336, South Korea. 5.Department of Semiconductor Science, Dongguk University, Seoul, 04620, South Korea
Full article at: https://www.nature.com/articles/s41598-018-26997-y


Title:  Evaluation of the mechanical compatibility of additively manufactured porous Ti–25Ta alloy for load-bearing implant applications
Author(s): Nicolas Soroa, Hooyar Attara, Erin Brodieb, Martin Veidta, Andrey Molotnikovb, Matthew S. Darguscha
Organisation(s):  a.   Centre for Advanced Materials Processing and Manufacturing (AMPAM), School of Mechanical and Mining Engineering, The University of Queensland, Brisbane, QLD, 4072, Australia
b.   Department of Materials Science and Engineering, Monash University, Clayton, VIC, 3800, Australia
Full article at: https://www.researchgate.net/publication/333096814_Evaluation_of_the_mechanical_compatibility_of_additively_manufactured_porous_Ti-25Ta_alloy_for_load-bearing_implant_applications


Title:  Thermally stable amorphous tantalum yttrium oxide with low IR absorption for magnetophotonic devices
Author(s): Takuya Yoshimoto1, Taichi Goto1,2,3, Hiroyuki Takagi1, Yuchi Nakamura1, Hironaga Uchida1, Caroline A. Ross3 & Mitsuteru Inoue1
Organisation(s): 1.    Department of Electrical and Electronic Information Engineering, Toyohashi University of Technology, 1-1 Hibari-Ga-Oka, Tempaku, Toyohashi, Aichi, 441-8580, Japan.
2.    JST, PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan.
3.    Department of Materials Science and Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts, 02139, USA
Full article at: https://www.nature.com/articles/s41598-017-14184-4


Selective laser melting of pure tantalum: densification, microstructure and mechanical behaviours
Author(s): Libo Zhoua, Tiechui Yuana, Ruidi Lia, Jianzhong Tangb, Guohua Wangb, Kaixuan Guob
Organisation(s): a.    State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, PR China
b.    Zhuzhou Printing Additive Manufacturing Co. LTD, Zhuzhou 412000, PR China
Full article at: https://www.sciencedirect.com/science/article/abs/pii/S0921509317312418#!



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