ball milling germanium

  • silicon germanium hardened

    Silicon and Germanium Solid state electronics arises from the unique properties of silicon and germanium each of which has four valence electrons and which form crystal lattices in which substituted atoms can dramatically change the electrical properties.. Click on either for more detail.

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  • China Nano Germanium Dioxide Powder Lump Hot Sale

    Elemental germanium is used as a semiconductor in transistors and various other electronic devices. Germanium powder is made of original zone refined high purity germanium metal produced in vaccum and clean environment to keeps its ultra low oxgen less than 10ppm and guarantee purity to 99.999 and less than 1 micor meter.

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  • Enhanced thermoelectric figure of merit in nanostructured

    prepared by mechanical alloying ball milling Si and Ge chunks 99.99 Alfa Aesar and P micropowders 99.99 Aldrich . These alloyed nanopowders were then loaded into a graphite die inside a glove box and hot pressed by the direct current induced hot pressing dc hot press method into a dense bulk material at temperatures between 1000 and 1200 °C.

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  • Germanium and Tin Based Anode Materials for Lithium-Ion

    Germanium based anode material has been made by two different synthesis methods. The amorphous Ge-C-Ti composite material was made by ball milling method and performed much better than other germanium alloy including Ge-Mg Ge-Fe and Ge-Fe.Germanium sphere nano particles with diameter of around 50 nm have been made by solution method.

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  • US9231275B2Method for manufacturing sulfide-based solid

    Provided is a method for manufacturing a sulfide-based solid electrolyte including preparing a precursor comprising lithium sulfide germanium sulfide aluminum sulfide phosphorus sulfide and sulfur conducting a mixing process of the precursor to prepare a mixture and crystallizing the mixture to form a compound represented by Li 9.7 Al 0.3 Ge 0.7 P 2 S 12 .

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  • China Nano Germanium Dioxide Powder Lump Hot Sale

    Elemental germanium is used as a semiconductor in transistors and various other electronic devices. Germanium powder is made of original zone refined high purity germanium metal produced in vaccum and clean environment to keeps its ultra low oxgen less than 10ppm and guarantee purity to 99.999 and less than 1 micor meter.

    Get Price
  • CN102437328APreparation method of germanium and barium

    The invention discloses a preparation method of germanium and barium activated lithium iron phosphate as a cathode material. The preparation method comprises the steps of mixing raw materials including a lithium source a germanium source a barium source an iron source and a phosphate source according to the proportion of 1mol (0.00002-0.00005)mol (0.0003-0.003)mol 1mol 1mol then

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  • Distinctive Thermoelectric Properties of Supersaturated Si

    energy ball milling. Here we would like to emphasize that the Si and Ge are prone to get easily oxidized in the ball milling process but in general the oxides are expelled out in the conventional high-temperature (1300 K) sintering process. However in the low-temperature sintering case it was

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  • (PDF) Strain Anisotropy in Freestanding Germanium

    Academia.edu is a platform for academics to share research papers.

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  • Bench Top High Energy Vertical Planetary Ball Mill– MSE

    MSE PRO Bench Top Mini High Energy Vertical Planetary Ball Mill Designed for holding four 50 ml size milling jars or 100 ml milling size jars (to be ordered separately) Can be placed in Glove boxes Shop for milling jars and milling media.

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  • Comparison of different pressing techniques for the

    Improvements to state-of-the-art Si sub 80 Ge sub 20 thermoelectric alloys have been observed in laboratory-scale samples by the powder metallurgy techniques of mechanical alloying and hot pressing. Incorporating these improvements in large scale compacts for the production of thermoelectric

    Get Price
  • Sb and Half-Heusler Bulk Materials Nanostructured P-Type

    Silicon germanium alloys (SiGe) have long been used in thermoelectric modules for deep-space missions to convert radio-isotope heat into electricity. They also hold mass-production ball milling and direct-current induced hot press compaction nanocomposite process that a 50 improvement in the peak ZT from 0.65 to 0.95 at 800

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  • Synthesis of Germanium–Gallium–Tellurium (Ge–Ga–Te

    Synthesis of Germanium–Gallium–Tellurium (Ge–Ga–Te) Ceramics by Ball-Milling and Sintering Article in Journal of the American Ceramic Society 96(5) 1444-1449 · May 2013 with 132 Reads

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  • US9231275B2Method for manufacturing sulfide-based solid

    Provided is a method for manufacturing a sulfide-based solid electrolyte including preparing a precursor comprising lithium sulfide germanium sulfide aluminum sulfide phosphorus sulfide and sulfur conducting a mixing process of the precursor to prepare a mixture and crystallizing the mixture to form a compound represented by Li 9.7 Al 0.3 Ge 0.7 P 2 S 12 .

    Get Price
  • China Germanium Ball Germanium Ball Manufacturers

    China Germanium Ball manufacturersSelect 2019 high quality Germanium Ball products in best price from certified Chinese Rubber Ball manufacturers Ball Bag

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  • CN102437328APreparation method of germanium and barium

    The invention discloses a preparation method of germanium and barium activated lithium iron phosphate as a cathode material. The preparation method comprises the steps of mixing raw materials including a lithium source a germanium source a barium source an iron source and a phosphate source according to the proportion of 1mol (0.00002-0.00005)mol (0.0003-0.003)mol 1mol 1mol then

    Get Price
  • CN102437328APreparation method of germanium and barium

    The invention discloses a preparation method of germanium and barium activated lithium iron phosphate as a cathode material. The preparation method comprises the steps of mixing raw materials including a lithium source a germanium source a barium source an iron source and a phosphate source according to the proportion of 1mol (0.00002-0.00005)mol (0.0003-0.003)mol 1mol 1mol then

    Get Price
  • A chlorine-free protocol for processing germanium

    and our recent development of ortho-quinone 1 as a mild and selective metal oxidant that is readily synthesized from the bulk chemicals phenol and isobutylene we evaluated the mechanochemical oxidation of Ge powder (1 equiv) by ball milling with quinone 1 (2 equiv) in the presence of pyridine (Py) (2 equiv) as an auxiliary ligand .

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  • China Germanium Ball Germanium Ball Manufacturers

    China Germanium Ball manufacturersSelect 2019 high quality Germanium Ball products in best price from certified Chinese Rubber Ball manufacturers Ball Bag

    Get Price
  • China Nano Germanium Dioxide Powder Lump Hot Sale

    Elemental germanium is used as a semiconductor in transistors and various other electronic devices. Germanium powder is made of original zone refined high purity germanium metal produced in vaccum and clean environment to keeps its ultra low oxgen less than 10ppm and guarantee purity to 99.999 and less than 1 micor meter.

    Get Price
  • Enhanced Thermoelectric Figure-of-Merit in Nanostructured

    A dimensionless thermoelectric figure-of-merit (ZT) of 0.95 in p-type nanostructured bulk silicon germanium (SiGe) alloys is achieved which is about 90 higher than what is currently used in space flight missions and 50 higher than the reported record in p-type SiGe alloys. These nanostructured bulk materials were made by using a direct current-induced hot press of mechanically alloyed

    Get Price
  • CN102437328APreparation method of germanium and barium

    The invention discloses a preparation method of germanium and barium activated lithium iron phosphate as a cathode material. The preparation method comprises the steps of mixing raw materials including a lithium source a germanium source a barium source an iron source and a phosphate source according to the proportion of 1mol (0.00002-0.00005)mol (0.0003-0.003)mol 1mol 1mol then

    Get Price
  • Functionalization of Mechanochemically Passivated

    Further functionalization of those nanoparticles may potentially lead to numerous applications ranging from surface attachment bioimaging drug delivery and nanoparticles based devices. Blue luminescent germanium nanoparticles were synthesized from a novel top-down mechanochemical process using high energy ball milling (HEBM) of bulk germanium.

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  • Main group mechanochemistryBeilstein-Institut

    Beilstein J. Org. Chem. 2017 13 2068–2077. 2072 Scheme 5 Synthesis of germanes from germanium (Ge) or germanium oxide (GeO2). Scheme 6 Ball-milling nucleophilic substitution reactions to produce acyclic and cyclic cyclodiphosphazanes. versatile capable of acting as chemical intermediates for the downstream synthesis of germanes 7 thus providing a sustain-

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  • Enhanced Thermoelectric Figure-of-Merit in Nanostructured

    A dimensionless thermoelectric figure-of-merit (ZT) of 0.95 in p-type nanostructured bulk silicon germanium (SiGe) alloys is achieved which is about 90 higher than what is currently used in space flight missions and 50 higher than the reported record in p-type SiGe alloys. These nanostructured bulk materials were made by using a direct current-induced hot press of mechanically alloyed

    Get Price
  • Wholesale Germanium BallGermanium Ball Manufacturers

    Wholesale Germanium Ball ☆ Find 21 germanium ball products from 15 manufacturers suppliers at EC21. ☆ Choose quality germanium ball manufacturers suppliers exporters nowEC21

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  • Comparison of different pressing techniques for the

    Improvements to state-of-the-art Si sub 80 Ge sub 20 thermoelectric alloys have been observed in laboratory-scale samples by the powder metallurgy techniques of mechanical alloying and hot pressing. Incorporating these improvements in large scale compacts for the production of thermoelectric

    Get Price
  • Rapid alloying of silicon with germanium in microwave

    pure as revealed later trace amount of germanium oxide formed possibly due to the exposure to atmo-sphere was also present particle size 2100 mesh) were mixed in a ratio of 75 wt- Si and 25 wt- Ge and then ball milled (plastic balls in a Wig-bug mixer) for 10 min. The contamination deriving from the ball mill

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  • Mechanical Milling a Top Down Approach for the Synthesis

    Synthesis of nanomaterials by a simple low cost and in high yield has been a great challenge since the very early development of nanoscience. Various bottom and top down approaches have been developed so far for the commercial production of nanomaterials. Among all top down approaches high energy ball milling has been widely exploited for the synthesis of various nanomaterials nanograins

    Published in Nanoscience and Nanotechnology · 2012Authors T P Yadav · Ram Manohar Yadav · Dinesh SinghAffiliation University of LiverpoolAbout Nanocomposite · Nanomaterials · NanostructureGet Price
  • Phase-structural and morphological features

    Aug 30 2019 · Ball milling of magnesium hydride with germanium additives in argon for up to 10 h was shown to result in the formation of nanocomposites of α- and γ-modifications of MgH 2 together with individual Ge phase. When the as milled samples are heated-up Ge interacts with MgH 2 to form Mg 2 Ge at T = 350–400 °C the phase transformation overlaps with MgH 2 decomposition and Mg 2 Ge

    Author J.A. Adeniran R. Akbarzadeh M. Lototskyy S. Nyallang Nyamsi O.F. Olorundare E.T. Akinlabi T.C. Get Price