Spontaneous formation of boron nitride nanotube fibers by boron impurity reduction in laser ablation of ammonia borane

HIGHLIGHTS

• who: Dong Su Bae from the Results and discussions Different types of reaction products were obtained depending on the pressure inside the reaction chamber (Fig3a-d). At a reaction chamber pressure of , or , bar, white powdery material grew from the powder container to several centimeters height (Fig., a, b). Transmission electron microscopy (TEM (FEI technai at the Core-facility for Bionano Materials in Gachon University)) images show that the powder has a layer-bylayer structure (Fig., i, j) with a lattice distance of aboutnm. Electron energy-loss spectroscopy (EELS) analysis revealed that B and N atoms were . . .
  

   

  

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