This potential difference is called built-in potential. After joining p-type and n-type semiconductors, electrons from the n region near the pân interface tend to diffuse into the p region. As electrons diffuse, they leave positively charged ions (donors) in the n region.
Many people think that a baby rabbits is called a bunny, but this is actually just an affectionate nickname for rabbits, and not the correct English name for rabbit babies. So if baby rabbits are not called bunnies, then what are baby rabbits called? The correct term for a baby rabbit is kitten, often shortened to kit.
A baby eagle is an eaglet. A baby hawk is an eyas. A baby owl is an owlet or howlet. Poult is a baby turkey (also baby chicken). Cheeper or squealer is a baby quail. Bappie is the unofficial name that birdkeepers call baby birds.