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  • Investigation of intrinsic electrical properties of cerium ...

    Cerium doped lithium cobalt oxide LiCo1−xCexO2 (0≤x≤0.08) compositions have been synthesized by a modified ''Pechini'' process. The structural and electrical properties of the doped compositions were investigated through XRD, FTIR, EDX, Raman, and (EIS) experiments. X-Ray Diffraction (XRD) analysis established the formation of single phase crystalline nature of the synthesized powders.

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  • Investigation of III-V Semiconductor Heterostructures for ...

    integration of III-V compounds on silicon for tunnel-junction Esaki diodes, and the investigation ... is a promising candidate for future high frequency, low voltage CMOS. Channel materials based on In and As/Sb will be explored by ... A nanostructured, graded-index antireflective

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  • Lucas Berla - Hardware Engineer - Google | LinkedIn

    - Investigation of mechanisms of electrochemical lithium insertion into silicon. - Analysis of fracture of high performance, nanostructured lithium ion battery anode materials.

    Lithium-Assisted Electrochemical Welding in Silicon ...

    Lithium-Assisted Electrochemical Welding in Silicon Nanowire ... ilicon is an auspicious candidate to replace today''s widely utilized graphitic anodes in lithium ion batteries because its specific energy capacity (3579 mAh/g) is nearly 10 times that ... by nanostructured forms of silicon.

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  • Growth optimization of columnar nanostructured diamond ...

    Nov 15, 2010· In today''s nanoelectronics devices, thermal management is a major issue to miniaturization. Because of its high thermal conductivity, diamond is an extremely interesting material for heat spreading. SOI (Silicon‐On‐Insulator) technology suffers of the poor thermal dissipation due to the silicon oxide buried layer. Thus, SOD (Silicon‐On‐Diamond) based on dielectrical diamond layer is ...

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  • Nanostructured Si-C Anode for Lithium- Ion Batteries

    Nanostructured Si-C Anode for Lithium-Ion Batteries Letian Wang 2014.1. Outline ... Candidates:Silicon, Carbon, Tin Li x C ... investigation High Piezoelectric nanogenerat ors: Wang, ZL, Adv. Funct. Mater., 2008 45. Next Generation LIB. Nanostructures of the cell

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  • Apoorva Murarka | Organic and Nanostructured Electronics ...

    He continued on in the lab as a Ph.D. candidate and works on novel additive fabrication techniques for suspended nanostructured membranes on both silicon-based and polymeric substrates, and on the operation and characterization of the resulting MEMS/NEMS devices as acoustic transducers.

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  • Study of Thermal Conductivity of Porous Silicon Using the ...

    Study of Thermal Conductivity of Porous Silicon Using the Micro-Raman Method . Amaria Ould-Abbas, Mama Bouchaour, Nasr-Eddine Chabane Sari ... systematic means of investigation of the morphology and the thermal conductivity of Porous silicon oxidized or no. The ... is an excellent candidate to ensure the thermal insulation

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  • Study of Raman Amplification in nanostructured materials

    proven candidate for optical amplification in silicon. In SRS phenomena, a pump laser beam interacts with in a ... Therefore, the investigation of new materials possessing both ... in nanostructured silica based materials and nanostructured silicon based materials is reported and discussed. In paragraph

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  • Conference Detail for Nanostructured Thin Films V - SPIE

    Wednesday 15 August 2012 5:30 PM - 7:30 PM Conference attendees are invited to attend the poster session on Wednesday evening. Come view the posters, enjoy light refreshments, ask questions, and network with colleagues in your field.

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  • GROWTH AND CHARACTERIZATIONS OF .

    3 Growth and characterizations of nanostructured tungsten oxides 1215 glass and silicon substrates kept at room temperature (RT = 24ºC) or heated to 600°C. The distance between the target and the substrate was of 4 cm. The total gas pressure varied between 1 Pa and 10 Pa. The radio-frequency pow er was set at 150 W.

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  • Hot Isostatic Press Sintering and Properties of Silicon ...

    Fully densified silicon nitride without additives was fabricated by means of hot isostatic pressing. The sintering process of highly pure powder was investigated with special interest in the evolution of α–β phase transformation, densification, and microstructure development.

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  • 6RO JHO7L2 FROORLGDOVXVSHQVLRQVDQG .

    use of nanostructured substrates via sol-gel could be considered a good candidate for cell culture with the further advantages of likely scalability and interfaceability with many different materials usable as supports. Supplementary material for this article is available online Keywords: titanium dioxide, nanoparticles, sol-gel, thin film ...

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  • Nanocrystalline and Thin Film Germanium Electrodes with ...

    silicon atoms when the material is in a nanostructured form. In contrast, germanium does not have a strong affinity to form a native oxide and, therefore, the Li-Ge system is a model alloy for investi-gating the properties of nanostructured electrodes of lithium with group IV elements. In addition to providing general insights into the Li-X ...

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  • Si-based anode materials for lithium rechargeable batteries

    Silicon is a very promising candidate to replace graphite as the anode in Li-ion batteries because of its very high theoretical capacity, relatively low cost and low toxicity. However, it has not yet made its way into commercial cells. This review highlights recent progress on Si-based anode materials for lithium rechargeable batteries.

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  • Mykola Isaiev | Taras Shevchenko National University of ...

    In this article, we demonstrate that the thermal conductivity of nanostructured porous silicon is reduced by amorphization and also that this amorphous phase in porous silicon can be created by swift (high-energy) heavy ion irradiation. Porous silicon samples with 41%-75% porosity are irradiated with 110 MeV uranium ions at six different fluences.

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  • A NEW APPROACH TO SYNTHESIS OF .

    performance, the micro/nanostructured SiO x /C composite is a promising candidate for anode material of high capacity lithium-ion battery. Acknowledgements This work was financially supported by National Basic Research Program of China (2013CB934003), National Nature Science Foundation of China (U1637202, 51634003, 21273019,

    Self‐Assembled Nanocomposite of Silicon Nanoparticles ...

    Apr 30, 2012· Fu Sun, Henning Markötter, Kang Dong, Ingo Manke, Andre Hilger, Nikolay Kardjilov and John Banhart, Investigation of failure mechanisms in silicon based half cells during the first cycle by micro X-ray tomography and radiography, Journal of Power Sources, 10.1016/j.jpowsour.2016.04.126, 321, (174-184), (2016).

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  • Nanocrystalline and Thin Film Germanium Electrodes with ...

    silicon atoms when the material is in a nanostructured form. In contrast, germanium does not have a strong affinity to form a native oxide and, therefore, the Li-Ge system is a model alloy for investi-gating the properties of nanostructured electrodes of lithium with group IV elements. In addition to providing general insights into the Li-X ...

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  • High Throughput Screening of Nanostructured Hydrogen ...

    High Throughput Screening of Nanostructured Hydrogen Storage Materials Gang Chen. a), Mildred S. Dresselhaus. a) ... thermal and electronic properties of candidate materials, the infrared reflectivity measurements, and ... High Throughput Screening of Nanostructured Hydrogen Storage Materials, excerpt from DOE Hydrogen Program 2006 Progress Report

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  • WCE 2014, July 2 - 4, 2014, London, U.K. Gas Deposition ...

    nanoparticle depositions on heat sinks and investigates the heat transfer and device temperature for both natural and forced convections. The results show that there is a detectable variance in heat transfer (about 6%) causing device temperature drop between conventional heat sink and nanostructured .

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  • SCREEN PRINTING ELECTRICAL CONTACTS TO NANOSTRUCTURED ...

    Sep 28, 2017· A process is provided for contacting a nanostructured surface. The process may include (a) providing a substrate having a nanostructured material on a surface, (b) passivating the surface on which the nanostructured material is located, (c) screen printing onto the nanostructured surface and (d) firing the screen printing ink at a high temperature.

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  • Pulse electron spin resonance investigation of bismuth ...

    Pulse electron spin resonance investigation of bismuth-doped silicon: Relaxation and electron spin echo envelope modulation

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  • SEI-component formation on sub 5 nm sized silicon ...

    Silicon is a promising negative electrode for secondary lithium-based batteries, but the electrochemical reversibility of particularly nanostructured silicon electrodes drastically depends on their interfacial characteristics, commonly known as the solid electrolyte interface (SEI). The beneficial origin of certain

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  • Nanostructured Materials for 3D Electronic Packaging ...

    We are developing a broad spectrum of nanostructured packaging materials with targeted combinations of thermal, mechanical, optical, electrical, and other properties. Our past work in this area has focused on thermal interface materials based on aligned carbon nanotube films.

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  • Inorganic Nanocomposite Solar Cells: Materials Studies

    Inorganic Nanocomposite Solar Cells: Materials Studies. Jeffrey S. King, David B. Jackrel, Evan Pickett, James S. Harris, Michael McGehee, and Stacey Bent. Stanford University. • Solar energy is a strong candidate for meeting future energy needs, but costs are still too high.

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  • Investigation of a Mesoporous Silicon Based Ferromagnetic ...

    A semiconductor/metal nanocomposite is composed of a porosified silicon wafer and embedded ferromagnetic nanostructures. The obtained hybrid system possesses the electronic properties of silicon together with the magnetic properties of the incorporated ferromagnetic metal.

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  • Mehrdad Khakbiz - Google Scholar Citations

    Merged citations This "Cited by" count includes citations to the following articles in Scholar. The ones marked * may be different from the article in the profile.

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  • Atomistic mechanisms of the mechanical behaviour of ...

    Atomistic mechanisms of the mechanical behaviour of nanostructured silicon carbide. ... ceramics are leading candidates for applications in high‑power, high‑speed machining and high‑temperature structural components. ... Transmission electron microscopy investigation of the deformation mechanisms of nanostructured metals and alloys;

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  • Lee, J., Kim, S. and Shin, M. (2017) A theoretical model ...

    the change of SBHs from the bulk to the nanostructured junctions rather than to nd absolute values of SBH. The main purpose of this investigation is to explore the re-lationship between ˚Nano b and ˚ Bulk b, and to provide a model to predict SBH of nanostructured silicide-silicon junction. For this purpose, we used the SIESTA package29,30.

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  • Hybrid Silicon/Carbon Nanotube Heterostructures for ...

    Recently Wang and Kumta reported on an investigation of synthesis routes to create a hybrid silicon-carbon nanotube (Si-CNT) nanostructure in order to address some of the challenges for applications to Li + battery anodes. In this nanostructured materials approach, high-density, vertically aligned multi-walled carbon nanotubes (MWNTs) provide a ...

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  • photovoltaic silicon wafer: Topics by Science.gov

    Apr 01, 2018· Silicon is a promising mold material for compression molding because of its properties of hardness and abrasion resistance. Silicon wafers with carbide-bonded graphene coating and micro-patterns were evaluated as molds for the fabrication of microlens arrays. This study presents an efficient but flexible manufacturing method for microlens ...

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