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    應力施加裝置

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    應力施加裝置

    產品名稱: 低溫單軸應力施加裝置

    產品型號: CS100 CS110 CS120 CS130

    產品詢價

    產品詳細介紹 產品相關


    Cryostrain: a cryogenic uniaxial strain cell

    Apply continuously tunable tensile and compressive strains within a cryogenic environment.
    Suitable for use with scanning probe and confocal microscopy, x-ray and neutron scattering, resistivity, susceptibility and many other measurement techniques.
    This product is a component for use with a wide range of commercial or home-built cryogenic measurement systems.
      

    Product Overview
     
    · 可對樣品施加精確的、連續可調的壓縮和拉伸應變,無機械回差。
    · 高度緊湊,最小的產品(CS100)可以垂直或水平安裝在1”(26 mm)孔內(可用于PPMS®
    · 溫度補償—施加的應變可以在很寬溫度范圍內保持恒定。
    · 工作溫度低于1 K,可用于高磁場。
    · 不同角度接觸樣品,適用于低溫掃描探針顯微鏡

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    1這些最大值僅對應電池用于其最大室溫位移時,對于較小的位移可以使用更僵硬的樣品,有關指導,請參見下圖。
    2基于典型楊氏模量中關于彈簧常數的預測樣品的橫截面積,更長的樣本可能,但最大應用的應變將減少(應變調諧器位移保持相同)。
    3常規導線可使用高達?±200 V電壓,更多細節信息請聯系我們進行咨詢。
     
    Applications

    Match theory to experiment

    Significant recent research effort has been spent investigating the electronic and magnetic properties of materials when subjected to uniaxial strains because it allows a convenient way to compare structure/property relationships as predicted from theory experimentally. See Uniaxial Strain in Condensed Matter Physics.

    Compatible with a wide range of probes

    The cryostrain cell is the ideal component for your cryogenic measurement system -  compatible with a wide variety of different probes, including x-ray diffraction, scanning probe microscopy, optical imaging and electrical measurements.

    Complementary to existing techniques

    The cryostrain cells is an ideal companion to diamond anvil cells, providing a complementary technique while also offering better sample access, positive and negative stresses, and in-situ tunability.

    A tried and tested technology

    The Cryostrain family is based on a technology that has been used in an laboratory environment for more than two years leading to several publications, including a recent high profile paper in the journal science.

    \操作原理
    如左側圖中的CS100,顯示了當樣品經受正應變和負應變時,應變計中的運動。為了演示的目的,圖中所示的移動經過高度夸張處理。



    溫度補償
    壓電陶瓷在冷卻時會沿著其輪詢方向延長,這種延長比壓電陶瓷行程的長度長數倍,意味著除非采取特殊處理,否則當溫度改變時,無法適當地控制應變。低溫應變系列的應變計克服了這一問題,壓電陶瓷的特殊布置抵消了熱膨脹,使應變不受壓電陶瓷的熱延伸影響。



    拓展范圍
    除了熱補償之外,具有數對彼此對立工作的壓電陶瓷,意味著對比直接膠合到樣品上單個壓電疊堆可以產生更高的位移; 考慮到本質上短壓電行程長度有價值的改進。應變樣品非常容易接近,將樣品安裝在可以最大化角度進入的頂部表面上。例如,當樣品安裝在應變單元上時,掃描探針尖端可以掃描表面。


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