Methods of containing defects for non-silicon device engineering

1. An apparatus comprising:

a semiconductor device comprising:

a channel on a well of a well material having a first lattice structure, the well disposed in a buffer material on a substrate, the buffer material having a second lattice structure that is different than the first lattice structure, wherein the well comprises a height dimension that is greater than each of a length dimension and a width dimension;

a gate on the channel;

a source on a first side of the channel; and

a drain on a second side of the channel.

2. The apparatus of claim 1 , wherein the semiconductor device comprises an n-type metal oxide semiconductor field effect transistor comprising a source region and a drain region of the channel material.

3. The apparatus of claim 1 , wherein the channel comprises a Group III-V compound semiconductor material.

4. The apparatus of claim 3 , wherein the buffer material comprises Germanium.

5. The apparatus of claim 1 , wherein the semiconductor device is a first semiconductor device comprising an n-type metal oxide semiconductor field effect transistor, the apparatus further comprising a second semiconductor device comprising a p-type metal oxide semiconductor field effect transistor formed on the buffer material.

6. The apparatus of claim 5 , wherein the n-type transistor is connected to the p-type transistor through the gates and drains of each device.

7. A method comprising:

forming a well trench in a buffer material of a substrate the well having a height dimension greater than each of a length dimension and a width dimension;

forming an n-type well material in the well trench, the n-type well material having a lattice structure that is different than a lattice structure of the buffer material;

forming an n-type transistor comprising a channel on the well material and junction regions on opposite sides of the channel.

8. The method of claim 7 , wherein the n-type well material is a Group III-V compound semiconductor material.

9. The method of claim 8 , wherein the buffer material comprises Germanium.

10. The method of claim 7 , further comprising:

defining a p-type area for a channel and for junction regions for a p-type device on the well material; and

forming a p-type transistor comprising a channel and junction regions in the defined p-type area.

11. The method of claim 10 , wherein the n-type transistor comprises a gate and the p-type transistor comprises a gate, and the junction regions of each transistor separately comprise a source and a drain, the method further comprising:

connecting the n-type transistor to the p-type transistor through the gates and drains of each device.

12. A system comprising:

a computer comprising a processor electrically coupled to a printed circuit board, the processor comprising complimentary metal oxide semiconductor (CMOS) circuitry including an n-type transistor and a p-type transistor, the n-type transistor comprising a channel on a well comprising a well material comprising a first lattice structure, the well disposed in a buffer material having a second lattice structure that is different than the first lattice structure, wherein the well comprises a height dimension that is greater than each of a length dimension and a width dimension, wherein the n-type transistor is coupled to the p-type transistor through a gate and a drain of each device.

13. The system of claim 12 , wherein the channel of the n-type transistor comprises a Group III-V compound semiconductor material.

14. The system of claim 12 , wherein the buffer material comprises Germanium.