Replace quartz piezo lighter11/27/2023 Other naturally occurring piezoelectric materials include cane sugar, Rochelle salt, topaz, tourmaline, and even bone.Īs piezoelectric technology started to take off after World War I, we began developing man-made materials to rival the performance of quartz. The most well-known, and the first piezoelectric material used in electronic devices is the quartz crystal. There are a variety of piezoelectric materials that can conduct an electric current, both man-made and natural. If you take the same piezoelectric crystal and apply an electric current to it, the crystal will expand and contract, converting electrical energy into mechanical energy. However, if you apply mechanical pressure to a piezoelectric crystal, the structure deforms, atoms push around, and you have a crystal that conducts an electrical current. The structure in these crystals isn’t symmetrical, but they still exist in an electrically neutral balance. There are other crystals that get lumped together as piezoelectric materials. This makes them useless for piezoelectric purposes. Most crystals, such as iron, have a symmetrical unit cell. Regular crystals are defined by their organized and repeating structure of atoms that are held together by bonds, called a unit cell. In a nutshell, piezoelectricity is the process of using crystals to convert mechanical energy into electrical energy or vice versa. Instead of squeezing grapes to make wine, we’re squeezing crystals to make an electric current! Piezoelectricity is in a ton of everyday electronic devices, from quartz watches to speakers and microphones. The word piezoelectric originates from the Greek word piezein, which literally means to squeeze or press. Piezo what? Piezoelectricity sounds like a lot to take in, but it’s simple to understand. Learn how piezoelectricity produces an electric charge by applying mechanical stress to a piezoelectric material. Français (French ) Italiano (Italian ) Deutsch (German )
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