* Iron (Fe): Iron is the primary component in many magnets, but it's not strong enough on its own.
* Neodymium (Nd): Neodymium magnets are incredibly strong and are the most common type of permanent magnet today. They are often referred to as "rare earth magnets."
* Samarium (Sm): Samarium magnets are also very strong and resistant to high temperatures, making them ideal for certain applications. They are also considered rare earth magnets.
* Cobalt (Co): Cobalt is often added to iron and other alloys to improve their magnetic properties.
* Nickel (Ni): Nickel is another common element in magnet alloys, helping to enhance strength and other properties.
The specific elements used in a magnet depend on the desired strength, temperature resistance, cost, and other factors.
