Mechanical Engineering / Condensed Matter Physics / Scanning Electron Microscopy / Self Assembly / Molecular beam epitaxy / Nanowires / Thin Film / Iron / Magnetism and Magnetic Materials / Magnetic Anisotropy / Electron Beam / Elevated Temperature / Nanowires / Thin Film / Iron / Magnetism and Magnetic Materials / Magnetic Anisotropy / Electron Beam / Elevated Temperature