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Photoluminescence method

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Photoluminescence method

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A0029.jpg 打ち合わせ.jpg セミナー.jpg

PL：PhotoLuminescence

The photoluminescence method is a technique that involves irradiating a substance with light and observing the light emitted when excited electrons return to their ground state. Various information can be obtained from the resulting emission spectrum. - Samples with a bandgap of about 3.5 eV can be excited. - The mapping function allows for the acquisition of extensive information. - Measurements can be conducted down to approximately 10 K. - Generally, it is a non-destructive measurement that does not require special pretreatment.

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basic information

Photoluminescence (PL) refers to the light that is emitted when a substance is irradiated with light, and the excited electrons return to their ground state. This emission of light is easily influenced by impurities and defects in the substance, so by spectrally analyzing the emitted light in detail, it is possible to obtain information about defects and impurities within the material.

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Applications/Examples of results

- Evaluation of defects based on the presence or absence of band-edge luminescence - Ability to detect "defects in crystals" in a broad sense with high sensitivity - Evaluation of luminescent materials - Evaluation of the forbidden band

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MST is a foundation that provides contract analysis services. We possess various analytical instruments such as TEM, SIMS, and XRD to meet your analysis needs. Our knowledgeable sales representatives will propose appropriate analysis plans. We are also available for consultations at your company, of course. We have obtained ISO 9001 and ISO 27001 certifications. Please feel free to consult us for product development, identifying causes of defects, and patent investigations! MST will guide you to solutions for your "troubles"!

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