dTFET Structures in Nanoelectronics
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Questions and Answers

What limits the current through a TFET device?

Rate of BTBT generation

What is more important than gate length in scaling TFETs?

Gate dielectric

How does the ON-current change with gate length reduction in a planar TFET?

Increases logarithmically

What happens to the ON-current when the gate dielectric thickness is reduced?

<p>Increases exponentially</p> Signup and view all the answers

In a TFET, what modulates the lateral electric field at the tunneling junction?

<p>Both gate and source/drain voltages</p> Signup and view all the answers

What is fundamental to all lateral BTBT devices?

<p>Exponential Id vs. Vd curve</p> Signup and view all the answers

What determines the manner in which a device charges/discharges a capacitive load?

<p>Shape of the drain voltage characteristic</p> Signup and view all the answers

Which type of devices show a normalized Id vs. Vd behavior in Fig. 4?

<p>Simulated MOSFET and TFET</p> Signup and view all the answers

What is the key feature in Ge channel TFETs?

<p>Cross-sectional tunneling area increase</p> Signup and view all the answers

What kind of device structure changes are important for TFET improvement?

<p>Changes that enhance control of tunneling</p> Signup and view all the answers

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