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Volume 40 - June 2015

Contents

Page 10 of 17

News & Analysis

Science Policy

Other

  • Australian research infrastructure gets two-year respite: Long-term uncertainty remains

  • Prachi Patel
  • Published online by Cambridge University Press:
    13 July 2015, p. 548
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Materials News

Other

  • Nano Focus: Block copolymers enable nano-scale patterning of metal oxides

  • Mary Nora Dickson
  • Published online by Cambridge University Press:
    09 November 2015, pp. 900-902
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Science Policy

Other

  • German and French national academies recommend collaborative energy policies

  • Published online by Cambridge University Press:
    04 September 2015, pp. 717-718
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Materials News

Other

  • Compressive buckling converts 2D microstructures and nanostructures into 3D

  • Mary Dickson
  • Published online by Cambridge University Press:
    10 March 2015, p. 203
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Science Policy

Other

  • Bernard Bigot appointed as new ITER Director-General: www.iter.org

  • Published online by Cambridge University Press:
    01 April 2015, pp. 307-308
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Materials News

Other

  • Realistic simulations reveal atomic-scale details responsible for superalloy properties

  • Alison Hatt
  • Published online by Cambridge University Press:
    07 August 2015, p. 625
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Society News

News

News & Analysis

Science Policy

Other

  • Minister Pandor unveils nanotech equipment at Rhodes University, South Africa

  • Published online by Cambridge University Press:
    13 January 2015, p. 11
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Society News

News

  • Bewlay, Gradečak, Heilshorn, Spolenak, and Venkatesan to chair 2016 MRS Fall Meeting: www.mrs.org/fall2016

  • Published online by Cambridge University Press:
    03 June 2015, pp. 530-531
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News & Analysis

Science Policy

Other

  • India urges scientists to use renewable, green material: www.dst.gov.in

  • Published online by Cambridge University Press:
    08 May 2015, p. 387
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Emergent Applications

Research Article

  • Designing defect spins for wafer-scale quantum technologies

  • William F. Koehl, Hosung Seo, Giulia Galli, David D. Awschalom
  • Published online by Cambridge University Press:
    27 November 2015, pp. 1146-1153
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  • The past decade has seen remarkable progress in the development of the nitrogen-vacancy (NV) defect center in diamond, which is one of the leading candidates for quantum information technologies. The success of the NV center as a solid-state qubit has stimulated an active search for similar defect spins in other technologically important and mature semiconductors, such as silicon carbide. If successfully combined with the advanced microfabrication techniques available to such materials, coherent quantum control of defect spins could potentially lead to semiconductor-based, wafer-scale quantum technologies that make use of exotic quantum mechanical phenomena like entanglement. In this article, we describe the robust spin property of the NV center and the current status of NV center research for quantum information technologies. We then outline first-principles computational modeling techniques based on density functional theory to efficiently search for potential spin defects in nondiamond hosts suitable for quantum information applications. The combination of computational modeling and experimentation has proven invaluable in this area, and we describe the successful interplay between theory and experiment achieved with the divacancy spin qubit in silicon carbide.

News & Analysis

Public Affairs Forum

Other

  • A perspective on advanced manufacturing and AMP2.0: www.manufacturing.gov/nnmi.html

  • Megan Brewster
  • Published online by Cambridge University Press:
    08 May 2015, pp. 388-389
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Emergent Applications

Research Article

  • Additive manufacturing of materials: Opportunities and challenges

  • S.S. Babu, L. Love, R. Dehoff, W. Peter, T.R. Watkins, S. Pannala
  • Published online by Cambridge University Press:
    27 November 2015, pp. 1154-1161
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  • Additive manufacturing (also known as 3D printing) is considered a disruptive technology for producing components with topologically optimized complex geometries as well as functionalities that are not achievable by traditional methods. The realization of the full potential of 3D printing is stifled by a lack of computational design tools, generic material feedstocks, techniques for monitoring thermomechanical processes under in situ conditions, and especially methods for minimizing anisotropic static and dynamic properties brought about by microstructural heterogeneity. This article discusses the role of interdisciplinary research involving robotics and automation, process control, multiscale characterization of microstructure and properties, and high-performance computational tools to address each of these challenges. Emerging pathways to scale up additive manufacturing of structural materials to large sizes (>1 m) and higher productivities (5–20 kg/h) while maintaining mechanical performance and geometrical flexibility are also discussed.

Society News

News

  • AUSTECH 2015 to be held October 12–14 in Nigeria: http://conference.aust.edu.ng

  • Published online by Cambridge University Press:
    04 September 2015, p. 777
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News & Analysis

Materials News

Other

  • Glowing soft colloids give their structure away

  • Elsa Couderc
  • Published online by Cambridge University Press:
    10 March 2015, p. 204
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  • Energy Focus: Gallium nitride goes vertical

  • Aditi Risbud
  • Published online by Cambridge University Press:
    07 August 2015, p. 626
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Science Policy

Other

  • NIST awards USD$7.8 million for Advanced Manufacturing Technology: www.nist.gov/amo

  • Published online by Cambridge University Press:
    13 July 2015, p. 549
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Society News

News

Page 10 of 17