p-typeadj.

Brit.

/ˈpiːtʌɪp/, U.S.

/ˈpiˌtaɪp/

Origin: Formed within English, by compounding. Etymons: positive adj., type n.

Etymology: < p- (in positive adj.; compare quot. 1946) + type n. Compare n-type adj.

Physics.

Designating (a region in) a semiconductor in which electrical conduction is due chiefly to the movement of holes (see hole n. 4f), rather than electrons. Contrasted with n-type adj.

ΘΚΠ

the world > matter > physics > solid state physics > semiconductivity > [adjective] > relating to semiconductor type or region

intrinsic1933

n-type1946

p-type1946

injected1949

PNP1949

NPN1951

1946 J. A. Becker et al. in Trans. Amer. Inst. Electr. Engineers 65 714/1 The theoretical and experimental physicists have established that there are two types of electronic semiconductors which can be called N and P type, depending on whether the carriers are negative electrons or are equivalent to positive ‘holes’ in the filled energy band.

1948 H. C. Torrey & C. A. Whitman Crystal Rectifiers iii. 49 The impurities added to silicon make it p-type.

1970 New Scientist 15 Oct. (Suppl.) 6/2 In a practical integrated circuit the triangular half of the rectifier is p-type material which is diffused into the silicon chip.

2003 Electronics World Jan. 8/3 To produce a p-type material, the firm dopes the GaN with magnesium.

This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022).

单词	p-type
释义	p-typeadj. Brit. /ˈpiːtʌɪp/, U.S. /ˈpiˌtaɪp/ Origin: Formed within English, by compounding. Etymons: positive adj., type n. Etymology: < p- (in positive adj.; compare quot. 1946) + type n. Compare n-type adj. Physics. Designating (a region in) a semiconductor in which electrical conduction is due chiefly to the movement of holes (see hole n. 4f), rather than electrons. Contrasted with n-type adj. ΘΚΠ the world > matter > physics > solid state physics > semiconductivity > [adjective] > relating to semiconductor type or region intrinsic1933 n-type1946 p-type1946 injected1949 PNP1949 NPN1951 1946 J. A. Becker et al. in Trans. Amer. Inst. Electr. Engineers 65 714/1 The theoretical and experimental physicists have established that there are two types of electronic semiconductors which can be called N and P type, depending on whether the carriers are negative electrons or are equivalent to positive ‘holes’ in the filled energy band. 1948 H. C. Torrey & C. A. Whitman Crystal Rectifiers iii. 49 The impurities added to silicon make it p-type. 1970 New Scientist 15 Oct. (Suppl.) 6/2 In a practical integrated circuit the triangular half of the rectifier is p-type material which is diffused into the silicon chip. 2003 Electronics World Jan. 8/3 To produce a p-type material, the firm dopes the GaN with magnesium. This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022). < adj.1946
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