Phosphor, light-emitting device, illumination device, image display device, and indicator lamp for vehicle

A phosphor comprising:

• a crystal phase having a composition represented by formula [1] below, and
• an additive element Z, wherein
• the additive element Z includes one or more elements selected from the group consisting of Mo, W, Nb, Ta, Ni, Pt, and Ir, and
• a content of the additive element Z is 400 mass ppm or less,
• Re
• x
• ⁢
• MA
• a
• ⁢
• MB
• b
• ⁢
• MC
• c
• ⁢
• D
• d
• ⁢
• X
• e
• [
• 1
• ]
• (in the formula [1],
• MA includes Sr,
• MB includes Li,
• MC includes one or more elements selected from the group consisting of Al and Ga,
• D is one or more elements selected from the group consisting of N (nitrogen) and O (oxygen), D containing N (nitrogen),
• X includes one or more elements selected from the group consisting of F, Cl, Br, and I,
• Re includes Eu, and
• a, b, c, d, e, and x satisfy the following expressions, respectively,
• 0
• .
• 7
• ≤
• a
• ≤
• 1.3
• ⁢
• 0.
• 7
• ≤
• b
• ≤
• 1.3
• ⁢
• 2.
• 4
• ≤
• c
• ≤
• 3.6
• ⁢
• 3.2
• ≤
• d
• ≤
• 4
• .
• 8
• ⁢
• 0
• .
• 0
• ≤
• e
• ≤
• 0
• .
• 2
• ⁢
• 0
• .
• 0
• <
• x
• ≤
• 0.2
• )
• .