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.

“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


c-AFM
– Sample: SrCoO3
– Tip: Pt
– Vs = 1.7 V
– Image size: 10 μm × 10 μm
– measured by Songbai Hu

 

 

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

 

MFM
– Temperature: 10 K
– Sample: FeV2O4
– Tip: Co/Cr
– Constant height (50 nm)
– Image size: 3 μm × 3 μm
– measured by Dohyung Kim

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

 

STM
– Temperature: 16 K
– Sample: Si (111) – 7 × 7
– Tip: Pt/Ir on qPlus sensor
– 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