CeNSE_IISc PhthalocyaninePraseodymium Neodymium hard_disk_media BTO Bio Bmp Scanning_Thermal_Microscopy TemperatureControlledAFM Tapping Resistance SoftSample Morphology ScanningKelvinProbeMicroscopy TungstenDeposition mono_layer GaN SicMosfet PinPointMode fifber Layer Inorganic_Compound IRDetector ReflexLens Mechanical Titanate non_contact StrontiumTitanate Reduction FailureAnlaysis HexagonalBoronNitride PVAC Chungnam_National_University TemperatureControl Vacuum