An Introduction to the Center for Nanoscale Materials (CNM) Andreas Roelofs Deputy Director Nanoscience and Technology Division Center for Nanoscale Materials http://www.nano.anl.gov Center for Nanoscale Materials National user facility providing expertise, instruments and infrastructure for nanoscience and nanotechnology Cross-cutting facilities: Computational nanoscience Dedicated hard X-ray nanoprobe at the APS Materials synthesis and assembly Nanofabrication research Proximal probes ~ 60 Staff, 20-30 Postdocs Supports basic and applied research as well as the development of advanced instrumentation to generate new scientific insights and create innovative materials with novel properties Academic, industrial, and international researchers have access via peer-reviewed proposals Strong internal science program (50% own research, 50% supporting users) …has to be Nanoscience 2 An Integrated Vision for the CNM Nanofabrication of novel architectures Materials design and discovery CNM a scientific user facility to create, explore and control the nanoworld Simulations of the nanoworld Imaging and visualization at the nanoscale 3 Six integrated research groups Electronic & Magnetic Materials and Devices (EMMD) Theory and Modeling (TMG) Nanophotonics (NPG) Nanobio Interfaces (NBI) CNM Facility Nanofabrication and Devices (NFD) X-ray Microscopy (XMG) 4 CNM Facilities and Capabilities Hard X-ray Nanoprobe – beam-line attached to the APS and co-managed – Received R&D100 award in 2009 ~13,000 sq. ft. of conventional research laboratories Chemical labs Characterization instruments Laser-controlled area (LCA) ~11,500 sq. ft. of cleanroom laboratories and support areas ~6000 sq. ft. high-bay facility for scanning probe microscopes 4 are under construction Also contains an LCA High-Performance Computing Cluster Carbon (3000 cores, 25 TeraFLOPS) 5 CNM’s User Community Sweden Ontario Access is free for nonproprietary work, including for industrial users Users from 38 states plus Puerto Rico, in addition to a further 20 countries Taiwan Recent Industrial Users Hewlett-Packard IBM Toyota Seagate AKHAN Technologies Advanced Diamond Tech. BAE Systems GE 6 Attracting Industrial Users Leverage our Staff to reach out to industry – explain benefits of increasing the interaction with industry (diversity, great research done at industry – let’s participate!) CNM website: – how/where to find and engage with industry (conferences, papers, notice industry affiliations) – target “5-10 years out” industry projects Website for industrial users (at CNM and ANL website) Held workshop targeted at industrial users in May 2013 Established one collaborative research and development agreement 2 licenses to CNM Staff patents granted 7 Examples of Highlights 8 CNM Staff Highlight Sequential Infiltration Synthesis (SIS) US Patent App 13209190 US Provisional Patent App SIS is a process by which inorganic materials can be grown within polymer films and where the reactions can be selective for specific blocks within a block copolymer film SIS-enhancement of resists for e-beam lithography, photolithography, and block copolymer lithography will enable simple fabrication of high-aspectratio nanostructures Seth Darling Jeff Elam (ES) 100 nm 100 nm 9 CNM User Highlight: Mapping of Strain Fields in Semiconductor Structures using the X-ray Nanoprobe • Clarifying the spatial distribution of the strain enables optimization of strain-induced CMOS device efficiency • The Si3N4 liner transfers stress into the silicon-on-insulator (SOI) material Cross-section of a SOI/Si3N4 stressor structure • In situ mapping of the subsurface strain with high spatial resolution using the Hard Xray Nanoprobe at CNM enabled a good model of the stress distribution to be obtained. C. E. Murray1, A. Ying2, S. M. Polvino2, I. C. Noyan2, M. Holt3, and J. Maser3, J. Appl. Phys. 109, 083543 (2011). 1) IBM; 2) U Columbia; 3) CNM Measured and calculated lattice-tilt in the SOI under the Si3N4 stressor. Inset: cross-sectional geometry of the sample and the direction of lattice tilt Observing the nanoscale origins of memory resistive switching using the Hard X-ray Nanoprobe • Users from Hewlett-Packard Labs • High resolution x-ray fluorescence microscopy identified nanoscale metallic channel regions formed during memristive switching in a TaO metal/oxide/metal device structure Images show the presence of a Ta-rich Ta oxide phase at site of low resistance channels J. P. Strachan et al., Appl. Phys. Lett. 98, 242114 (2011). 11 11 Nanobio Interfaces – User Science Biofunctionalized magnetic-vortex microdiscs for targeted cancer-cell destruction ac magnetic field Univ. of Chicago Pritzker School of Medicine, Argonne Nature Materials, 2010, Kim et al. ABC News Healthbeat Segment: Shaking Up Cancer (3 min video) http://abclocal.go.com/wls/story?section=news/health&id=7245605 ~10s Hz Catalytic Production of Clean Fuel Batteries Get a Quick Charge with New Anode Technology Methane dissociation on Zn doped La2O3(001) to produce H2 without CO2 Catalytic dissociation of methane is an environmentally friendly approach towards CO2-free production of hydrogen First-principles computations of nanoscale surface regions show that doping oxides with low-valence atoms increases efficiency Users from U California- Santa Barbara E. W. McFarland and H. Metiu, Chem. Rev., DOI: 10.1021/cr300418s; B. Li and H. Metiu, J. Phys. Chem. C 115 (37), 18239 (2011) • Amorphous TiO2 nanotubes self-organize to crystalline cubic phase during Li cycling • Capacity and recharging rate greatly increased Users from CNM, CSE, XSD, U Chicago H. Xiong et al., J. Phys. Chem. C, 116, 3181 (2012) 13 Surface Properties of Graphene 60 nm Synthesizing graphene for large-scale integration is a key challenge: atomic-resolution STM helps guide us towards defect-free graphene L. Gao et al., Nano Lett. 10, 3512 (2010) Graphene provides a novel support of transition metal catalyst nanoparticles Users from U Wisconsin-Madison E. Cho et al., J. Phys. Chem. C 116, 26066 (2012) in ea then Development of Plasmonic shel of A Nanophotocatalysts AgC (Fig. easil appr A large indu gaps with visib effic their hybr class Methylene blue dye is used as an optical probe unde of organic degradation mod nano nega from AgCl:Ag hybrid nanoparticles exhibit high pola efficiency and recyclability for catalysis of organic surfa pollutant decomposition in sunlight. Ag/ A Users from U Illinois Urbana-Champaign and phot phot State Key Lab on Petroleum, China hybr C.H. An et al., Adv. Mater. 22, 2570 (2010) of 14 v Nanotechnology at the CNM: Solar energy conversion Energy storage Catalysis Advanced medical therapies Information processing and storage Sensors and electronics (detectors!) Light emitting devices Lithography X-ray optical elements 90 nm 500 nm 15 Nanostructured Carbon Based Materials 3D Micro & Nanotribology Diamond nanowire sensors C 1D 2D Diamond microresonators Nanowire production from diamond template CNT carbon nanotube based bio-sensors Graphene-ondiamond devices Diamond based MEMS switch Ani Sumant, Nanofabrication & Devices Group 16 Controlled Synthesis of Colloidal Nanoparticles Ag Ag Ag MnO2 Impact is in nanosized catalysts and photocatalysts, plasmonic nanoparticles for nanophotonic applications, batteries, sensors… Yugang Sun, Nanophotonics Elena Shevchenko, Nanobio Interface Xiao-Min Lin, Electronic & Magnetic Mat. and Devices Iron oxide & gold quasicrystal 17 Metrics: Scientific Impact Calendar Year 5737 citations so far for publications from CY10-CY12 – 4761 citing articles; 1363 citations for top 8 articles IP: 71 invention reports; 36 patents filed, 10 issued 2 licensed patents 18 CNM User Access http://nano.anl.gov Open submittal and review processes – public information on website – 3 calls per year – Multi-facility proposal portal – projects last for up to one year – Access is free for non-proprietary work Flexible access modes Proprietary & non-proprietary Collaborative & independent General & partner Reviews & allocations based on feasibility & scientific merit – internal technical feasibility – external, 100+ member Proposal Evaluation Board Notifications occur within 6-8 weeks CNM Facility is open 40 hours/week 423 Institutions with Argonne Master User Agreements in place (as of 9/13/11) 19 CNM: a Scientific User Facility We provide State-of-the-Art capabilities and expertise 444 individual Users (2012) ~ 40 Scientific Staff Innovative staff science shapes the user program and keeps it vibrant Innovative user science helps formulate future scientific directions User facility: a unique place where many scientist gather and exchange ideas and interact 20 Going forward: Increase in complexity Nanotechnology by design Combining many different functionalities and different materials Add complex nanomaterials into devices Embrace non-linarites 21