Nanotube grown on a nanotube. (IMAGE) Tokyo Metropolitan University Caption Chemical vapor deposition of molybdenum disulfide on a well-isolated boron nitride nanotube creates a coaxial nanotube structure. Credit Tokyo Metropolitan University Usage Restrictions Please give credit for use. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.