(n) The surface of a silicon wafer is a (100) plane. Which, if any, (110) directions lie in the (100) surface plane of the wafer? b) Identify two erystalline directions that are perpendicular to the [111] direction in a cubic crystal. (NOTE: (ĪL1]. (1T1], etc., arc NOT perpendicular to the (111) direction.)

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(a) The surface of a silicon wafer is a (100) plane. Which, if any, (110) directions lie in the
(100) surface planc of the wafer?
(b) Identify two erystalline directions that are perpendicular to the [111] direction in a
cubic crystal. (NOTE: [ÏL1]. [1Ï1], etc., arc NOT perpendicular to the [111] direction.)
Transcribed Image Text:(a) The surface of a silicon wafer is a (100) plane. Which, if any, (110) directions lie in the (100) surface planc of the wafer? (b) Identify two erystalline directions that are perpendicular to the [111] direction in a cubic crystal. (NOTE: [ÏL1]. [1Ï1], etc., arc NOT perpendicular to the [111] direction.)
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