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    An AI Overview is not available for this searchCan't generate an AI overview right now. Try again later.
    AI Overview
    Lithium Fluoride (
    LiFLiF
    LiF
    ) is a colorless, crystalline ionic compound with high transparency, particularly in the Vacuum Ultraviolet (VUV) range (0.12 to 6
    𝜇
    m
    ). It is widely used as optical windows, prisms, and in X-ray monochromators due to its high transmission. Key data include a density of 2.64
    g/cm3g/cm cubed
    g/cm3
    , melting point of 845-848°C, and a cubic crystal structure. 
    Optical Properties 
    • Transmission Range: 0.12 to 6
      𝜇
      m
      (VUV to IR)
    • Refractive Index: 1.392 @ 0.6
      𝜇
      m
      ; 1.624 @ 0.121
      𝜇
      m
    • Reflection Loss: 5.2% @ 0.6
      𝜇
      m
      (two surfaces)
       
    Physical & Thermal Properties 
    • Density: 2.639 - 2.64
      g/cm3g/cm cubed
      g/cm3
    • Melting Point: 845°C - 870°C
    • Thermal Conductivity: 11.3
      W m−1
      K−1
      at 314 K
    • Thermal Expansion:
      37
      ×10−6
      K−1
    • Solubility: 0.134 g/100 mL (at 25°C) in water 
    Mechanical & Structural Properties 
    • Structure: Cubic (Fm3̅m)
    • Hardness: Knoop 102 (600g indenter)
    • Young's Modulus: 64.97 GPa
    • Cleavage: {100} plane 
    Key Characteristics 
    • Moisture Sensitivity: Attacks by atmospheric moisture at temperatures above 400°C, softens around 600°C.
    • Radiation: Sensitive to high-energy radiation, which can create color centers.
    • Handling: Cleaves easily, requires careful polishing due to potential "rip-out". 
    • Lithium Fluoride (LiF) - Crystran
      Handbook_2018 v1. Page 1. 66. MATERIALS DATA. Lithium Fluoride (LiF) Lithium Fluoride is grown by vacuum Stockbarger technique in ...
      Crystran
    • Material Data for Lithium Fluoride LiF - Hgoptronics.com
      CRYSTALS. Raman Crystal. NLO Crystals. Window crystals. OPTICS. Optical Prisms. Optical Windows. Optical Rhomboid Prism. LiF cryst...
      www.hgoptronics.com
    • MSE PRO Lithium Fluoride (LiF) 99.999% 5N Granules
      MSE PRO Lithium Fluoride (LiF) 99.999% 5N Granules * Product Number: PO3304 (50 g), PO3305 (100 g), PO3306 (1 kg) * Formula: LiF. ...
      MSE Supplies LLC
    • mp-1138 - LiF - Materials Project
      Physica B, Condensed Matter, 406:3660–3665, 2011. External Links. Matching Entries from the Inorganic Crystalline Structure Databa...
      Materials Project
    • 3N (99.9%) Lithium Fluoride (LiF) Pieces Evaporation Materials
      Table_title: MSE PRO 3N (99.9%) Lithium Fluoride (LiF) Pieces Evaporation Materials Table_content: header: | Name | Lithium Fluori...
      MSE Supplies LLC
    • Lithium Fluoride (LiF) Single Crystal Substrates (5pack)
      Table_title: Material Properties: Table_content: header: | LINEAR FORMULA: | LiF | row: | LINEAR FORMULA:: HARDNESS: | LiF: 4 | ro...
      Crystal Substrates
    • Lithium Fluoride LiF Evaporation Process Notes
      Lithium fluoride is an inorganic compound with a formula of LiF. It has a density of 2.64 g/cc, a melting point of 845°C, and a va...
      Kurt J. Lesker
    • Mateck Lithium Fluoride (LiF) - MatWeb
      Table_content: header: | Physical Properties | Metric | English | row: | Physical Properties: CTE, linear | Metric: 28.1 - 34.8 µm...
      MatWeb
    • Lithium Fluoride (LiF) - Crystran
      Handbook_2018 v1. Page 1. 66. MATERIALS DATA. Lithium Fluoride (LiF) Lithium Fluoride is grown by vacuum Stockbarger technique in ...
      Crystran
    • Material Data for Lithium Fluoride LiF - Hgoptronics.com
      CRYSTALS. Raman Crystal. NLO Crystals. Window crystals. OPTICS. Optical Prisms. Optical Windows. Optical Rhomboid Prism. LiF cryst...
      www.hgoptronics.com
    • MSE PRO Lithium Fluoride (LiF) 99.999% 5N Granules
      MSE PRO Lithium Fluoride (LiF) 99.999% 5N Granules * Product Number: PO3304 (50 g), PO3305 (100 g), PO3306 (1 kg) * Formula: LiF. ...
      MSE Supplies LLC
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    Lithium Fluoride LiF - Optical Materials


    Crystran
    https://www.crystran.com › Optical Materials
    Crystran
    https://www.crystran.com › Optical Materials
    Lithium fluoride is the material with the most extreme UV transmission of all and is used for special UV optics. Lithium fluoride transmits well into the ...Read more

    mp-1138 - LiF


    Materials Project
    https://next-gen.materialsproject.org › materials
    Materials Project
    https://next-gen.materialsproject.org › materials
    All Li-F bond lengths are 2.04 Å. F¹⁻ is bonded to six equivalent Li¹⁺ atoms to form a mixture of corner and edge-sharing FLi₆ octahedra. The corner-sharing ...Read more

    Material Data for Lithium Fluoride LiF - Hgoptronics.com


    hgoptronics.com
    https://www.hgoptronics.com › material-data-for-lithiu...
    hgoptronics.com
    https://www.hgoptronics.com › material-data-for-lithiu...
    LiF crystal or lithium fluoride crystal is an optical material with outstanding transmittance in VUV region. It is also used for windows, prisms, and lenses in ...Read more

    Lithium Fluoride, LiF


    MatWeb
    https://www.matweb.com › search › datasheet
    MatWeb
    https://www.matweb.com › search › datasheet
    Physical Properties, Metric, English, Comments. Density, 2.64 g/cc, 0.0954 lb/in³. Molecular Weight, 25.939 g/mol, 25.939 g/mol.Read more

    MATERIALS DATA Lithium Fluoride (LiF)


    Crystran
    https://www.crystran.com › uploads › 2025/09
    Crystran
    https://www.crystran.com › uploads › 2025/09
    PDF
    MATERIALS DATA. Lithium Fluoride (LiF). Lithium Fluoride is grown by vacuum Stockbarger technique in ingots approximately. 100mm diameter.Read more
    2 pages

    Lithium Fluoride (LiF) - Properties and Applications


    AZoM
    https://www.azom.com › article
    AZoM
    https://www.azom.com › article
    Jan 27, 2004 — Lithium Fluoride (LiF) has the lowest refractive index of all common infrared materials. It also possesses the highest UV transmission of ...Read more

    Lithium Fluoride, technical grade


    Albemarle
    https://www.albemarle.com › global › product › lithium...
    Albemarle
    https://www.albemarle.com › global › product › lithium...
    Lithium Fluoride, technical grade (CAS 7789-24-4) is an inorganic lithium salt with molecular formula LiF. It is typically supplied as a crystalline.

    Lithium Fluoride (LiF) Optical Material


    MakeItFrom.com
    https://www.makeitfrom.com › material-properties › Lith...
    MakeItFrom.com
    https://www.makeitfrom.com › material-properties › Lith...
    Lithium fluoride is a non-glass, inorganic optical material. It has the highest heat capacity and a fairly low density among non-glass optical ceramics.Read more

    Lithium fluoride material properties as applied on the ...


    The University of Arizona
    https://ircamera.as.arizona.edu › 5904-24_Kvamme
    The University of Arizona
    https://ircamera.as.arizona.edu › 5904-24_Kvamme
    PDF
    by ET Kvammea · Cited by 21 — This paper will discuss the heritage of LiF in space-based systems and summarize the mechanical and thermal material data for LiF that is available in the ...Read more
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