IBM Pushes Beyond 7-nm, Uses Graphene to Place Nanomaterials on Wafers

The functionality of devices could be changed simply by changing nanomaterials without impacting the process

Four years ago, IBM announced that it was investing $3 billion over the next five years into the future of nanoelectronics with a broad project it dubbed “7nm and Beyond.” With at least one major chipmaker, GlobalFoundries, hitting the wall at the 7-nm node, IBM is forging ahead, using graphene to deposit nanomaterials in predefined locations without chemical contamination. 

In research described in the journal Nature Communications, the IBM researchers for the first time electrified graphene so that it helps to deposit nanomaterials with 97% accuracy. 

“As this method works for a wide variety of nanomaterials, we envision integrated devices with functionalities that represent the unique physical properties of the nanomaterial,” said Mathias Steiner, Manager at IBM Research-Brazil. “We also can envision on-chip light detectors and emitters operating within a distinct wavelength range determined by the optical properties of the nanomaterial.”