Fun Stuff

Ferroics retreat, Kangaroo Valley 2017

kangaroo valley retreat 2016Ferroics retreat, Kangaroo Valley 2016

SPM image gallery

All images are © members of the Seidel Research Group and maybe reused with permission only.

 

Nanostructure topography
– sample: 2D material flake
– tip: Pt
– measured by Pankaj

 

 

 

07/2018   2D material flake (red) with lithographic Pt top electrode (white) on Si

 

PFM (Topography signal)
– sample: PMN-30%PT single crystal
– tip: Pt
– measured by Dawei

 

 

05/2018   Naturally occuring domain structure in a PMN-PT single crystal

 

“blocky” AFM, parts courtesy of Park Systems Inc., assembled by Fei

RT_STM_HOPG_8nm 1

 

Room temperature STM
– sample: HOPG
– tip: Pt/Ir
– bias: 30mV
– tunnelling current: 0.8nA
– measured by Fei Hou

 

11/2017   Atomic structure of a graphite surface

deer

 

Bias-assisted AFM lithography / KPFM
– sample: LaAlO3/SrTiO3
– tip: Pt
– measured by Fan Ji

 

10/2017    Patterned 2-DEG at LaAlO3/SrTiO3 interface seen as change in surface potential

 

Bias-assisted vector lithography / PFM
– sample: LaAlO3/SrTiO3
– tip: Pt
– measured by Fan Ji

09/2017    FLEET logo written into 2-DEG at LaAlO3/SrTiO3 interface

 

MFM
– sample: SrCoO3
– tip: Co/Cr
– temperature: 3.8 K
– dual pass lift (30 nm)
– measured by Songbai Hu

 

09/2016 Magnetic domain structure of a SrCoO3 thin film at 3.8K


c-AFM
– sample: SrCoO3
– tip: Pt
– Vs = 1.7 V
– measured by Songbai Hu

 

 

08/2016    Conductive islands in a 40 nm thick oxidized SrCoO3 thin film on SrTiO3 (100)

MFM
– sample: FeV2O4
– tip: Co/Cr
– temperature: 10 K
– constant height (50 nm)
– image size: 3 μm × 3 μm
– measured by Dohyung Kim

 

07/2016    Magnetic domain structure of an iron vanadate thin film in 3 T and -3 T magnetic fields

 

STM
– sample: Si (111) – 7 × 7
– tip: Pt/Ir on qPlus sensor
– temperature: 16 K Vs = 1.7 V, I = 0.2 nA
– image size: 20 nm × 20 nm (512 x 512)
– measured by Byoung Choi

 

06/2016   Atomic structure of a silicon surface