PMID- 29604801
OWN - NLM
STAT- PubMed-not-MEDLINE
DCOM- 20180403
LR  - 20180403
IS  - 1089-7623 (Electronic)
IS  - 0034-6748 (Linking)
VI  - 89
IP  - 3
DP  - 2018 Mar
TI  - Infrared nanoscopy down to liquid helium temperatures.
PG  - 033702
LID - 10.1063/1.5016281 [doi]
AB  - We introduce a scattering-type scanning near-field infrared microscope (s-SNIM) 
      for the local scale near-field sample analysis and spectroscopy from room 
      temperature down to liquid helium (LHe) temperature. The extension of s-SNIM down 
      to T = 5 K is in particular crucial for low-temperature phase transitions, e.g., 
      for the examination of superconductors, as well as low energy excitations. The 
      low temperature (LT) s-SNIM performance is tested with CO(2)-IR excitation at T = 
      7 K using a bare Au reference and a structured Si/SiO(2)-sample. Furthermore, we 
      quantify the impact of local laser heating under the s-SNIM tip apex by 
      monitoring the light-induced ferroelectric-to-paraelectric phase transition of 
      the skyrmion-hosting multiferroic material GaV(4)S(8) at T(c) = 42 K. We apply LT 
      s-SNIM to study the spectral response of GaV(4)S(8) and its lateral domain 
      structure in the ferroelectric phase by the mid-IR to THz free-electron 
      laser-light source FELBE at the Helmholtz-Zentrum Dresden-Rossendorf, Germany. 
      Notably, our s-SNIM is based on a non-contact atomic force microscope (AFM) and 
      thus can be complemented in situ by various other AFM techniques, such as 
      topography profiling, piezo-response force microscopy (PFM), and/or Kelvin-probe 
      force microscopy (KPFM). The combination of these methods supports the 
      comprehensive study of the mutual interplay in the topographic, electronic, and 
      optical properties of surfaces from room temperature down to 5 K.
FAU - Lang, Denny
AU  - Lang D
AD  - Helmholtz-Zentrum Dresden-Rossendorf, Institute of Ion Beam Physics and Materials 
      Research, 01328 Dresden, Germany.
FAU - Doring, Jonathan
AU  - Doring J
AD  - Institute of Applied Physics, Technische Universitat Dresden, 01062 Dresden, 
      Germany.
FAU - Norenberg, Tobias
AU  - Norenberg T
AD  - Institute of Applied Physics, Technische Universitat Dresden, 01062 Dresden, 
      Germany.
FAU - Butykai, Adam
AU  - Butykai A
AD  - Department of Physics, Budapest University of Technology and Economics and 
      MTA-BME Lendulet Magneto-Optical Spectroscopy Research Group, 1111 Budapest, 
      Hungary.
FAU - Kezsmarki, Istvan
AU  - Kezsmarki I
AD  - Department of Physics, Budapest University of Technology and Economics and 
      MTA-BME Lendulet Magneto-Optical Spectroscopy Research Group, 1111 Budapest, 
      Hungary.
FAU - Schneider, Harald
AU  - Schneider H
AD  - Helmholtz-Zentrum Dresden-Rossendorf, Institute of Ion Beam Physics and Materials 
      Research, 01328 Dresden, Germany.
FAU - Winnerl, Stephan
AU  - Winnerl S
AUID- ORCID: 0000000280909198
AD  - Helmholtz-Zentrum Dresden-Rossendorf, Institute of Ion Beam Physics and Materials 
      Research, 01328 Dresden, Germany.
FAU - Helm, Manfred
AU  - Helm M
AD  - Helmholtz-Zentrum Dresden-Rossendorf, Institute of Ion Beam Physics and Materials 
      Research, 01328 Dresden, Germany.
FAU - Kehr, Susanne C
AU  - Kehr SC
AD  - Institute of Applied Physics, Technische Universitat Dresden, 01062 Dresden, 
      Germany.
FAU - Eng, Lukas M
AU  - Eng LM
AD  - Institute of Applied Physics, Technische Universitat Dresden, 01062 Dresden, 
      Germany.
LA  - eng
PT  - Journal Article
PL  - United States
TA  - Rev Sci Instrum
JT  - The Review of scientific instruments
JID - 0405571
EDAT- 2018/04/02 06:00
MHDA- 2018/04/02 06:01
CRDT- 2018/04/02 06:00
PHST- 2018/04/02 06:00 [entrez]
PHST- 2018/04/02 06:00 [pubmed]
PHST- 2018/04/02 06:01 [medline]
AID - 10.1063/1.5016281 [doi]
PST - ppublish
SO  - Rev Sci Instrum. 2018 Mar;89(3):033702. doi: 10.1063/1.5016281.