<2008년 대한민국 학술원 우수 학술도서 자연과학 분야에 선정>
For the last half century, the history of important inventions by physicists in the fields of computers, communication technology, and solid state electronics summarizes the contributions of physics to the information age. As human society gets more complex, we create more information and need to process them efficiently. The society demands solid state electronic devices with high packing density, fast processing speed, low manufacturing cost. As today’s device engineers face technical and economic difficulties in further miniaturizing transistors using present fabrication technology, the need for alternative functional devices is particularly pressing.
Elemental, organic or biological one-dimensional (1D) wires show insulating, metallic or semiconducting properties. In comparison to three- and two-dimensional conductors, 1D wires exhibit different physical and chemical properties. For example, in a metallic nanowire of shorter than 10nm, physical phenomena such as intrinsic electronic instability, non-Fermi liquid behaviors and ballistic carrier transport are present while they are not present in a three- and two-dimensional counter parts. With the knowledge of these unique properties, it has been proposed that 1-D wires may be used to fabricate high speed or low dissipation devices. Moreover, if we can stack 1-D devices, the packing density increases at least 104 fold. These 1-D wires can be grown by several different growth methods. New processing methods are proposed to produce real devices.