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Gallium Selenide (GaSe) crystals are  a direct gap semiconductor.  We offer GaSe pieces ranging from sub-mm to 5mm. Each order comes with 100mg of material, enough for many exfoliations. The crystallites consist of an amorphous GaSe core with a highly crystalline, perfectly peelable outer shell. Item is for 100mg of material.


Gallium Selenide (GaSe) crystal

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