Infrastructure

Our laboratories offer excellent working conditions and are equipped with the-state-of-the art equipment and instrumentation. For more information on the specific instruments used for the various types of analysis and characterization please follow the link: https://www.ntnu.no/wiki/display/imtlab/Department+of+materials+science+and+engineering+-+Laboratory+equipment

 

Ceramic powder synthesis from small batches (left) to several kg per day (spray pyrolysis)

Furnaces and heat treatment
A wide variety of furnaces for material synthesis and conditioning are available, ranging from traditional furnaces up to 1800 oC with ambient atmosphere to controlled atmospheres (oxidising, reducing and inert) up to 1600 oC. A hot press is available up to 2500 oC and a newly commissioned (2016) unit for spark plasma sintering (SPS) is operative.

Powder characterization
Particle size distribution analysis can be conducted based on laser diffraction ranging from 0.01 to 5000 mm. A combination instrument enables the assessment of surface area (BET), temperature programmed reduction (TPR) and desorption (TPD). Density measurements can be conducted by Archimedes and He-pyknometer. 

Thermal analysis
For the analysis of e.g. sintering characteristics or phase transitions up to 1650 oC the laboratories are equipped with several TGA/DTA/DSC instruments in combination with a mass spectrometer (MS). One DSC instrument is dedicated for experiments from cryogenic to 1000 K. Dilatometers cover both intermediate (1600 oC) and high temperatures (2000 oC). Thermal diffusivity and conductivity can be measured by laser flash up to 1200 oC.

Preparing for high temperature TGA/DTA analysis of a ceramic sample.

Electrical properties (electronic, ionic, piezo- and ferroelectric)
Furnace units for assessment of electronic/ionic conductivity, impedance spectroscopy (IS) as well as dielectric characterization up to 1200 oC in controlled atmosphere are available. Piezoelectric properties can be determined on bulk materials and thin films. Three different electrochemical test stations for charge/discharge characterization of batteries, with a total of 80 test channels. 8 test channels are available for controlled atmosphere from -20 to 100 °C. Additionally, there is equipment available for ac impedance spectroscopy and cyclic voltammetry analysis. A new laboratory for scanning probe microscopy (SPM) has newly (2016) been commissioned.

Micro/nano-structure, spectroscopy and crystallography
Fully equipped laboratories including light- and electron-microscopes (SEM/EDS), X-ray diffraction (XRD) at ambient conditions as well as high temperatures and controlled atmosphere (HTXRD). Atomic force microscopes (AFM/STM) and IR-UV spectroscopy are available.

Our XRD-lab. is a partner in the Norwegian Centre for X-ray Diffraction, Scattering and Imaging (RECX).

Mechanical characterization
An apparatus for 4-point bending and creep tests in controlled atmospheres up to 1100 oC is available along with a ball-on-ring apparatus for testing brittle materials at ambient conditions. Hardness and fracture toughness are assessed by Vickers while surface hardness also may be measured by a dedicated instrument performing scratch testing.

Modelling capabilities
Software for density functional theory (DFT: VASP, Quantum Espresso), molecular dynamics (MD, Lammps), finite element method (FEM, COMSOL) and thermodynamic calculations (Factsage). Computational resources provided by Sigma2 (https://www.sigma2.no/).

Other
Access to infrastructure and facilities provided by NTNU-NANO-lab clean rooms (http://www.ntnu.edu/nano/nanolab), NORFAB (http://www.norfab.no/), RECX (http://www.recx.no/) and NORTEM (http://www.nortem.no/). We also make regular use of ESRF (http://www.esrf.fr) and other synchrotrons and neutron sources.

 

 


About us

Contact persons:

Professor Mari-Ann Einarsrud
E-mail: mari-ann.einarsrud@ntnu.no
Phone: +47 73 59 40 02

Professor Tor Grande
E-mail: tor.grande@ntnu.no
Phone: +47 73 59 40 84

Professor Kjell Wiik
E-mail: kjell.wiik@ntnu.no
Phone: +47 73 59 40 82

Assoc. Prof. Hilde Lea Lein
E-mail: hilde.lea.lein@ntnu.no
Phone: +47 73 55 08 80

 Assoc. Prof. Fride Vullum-Bruer
E-mail:
fride.vullum-bruer@ntnu.no
Phone: +47 73 59 39 76

Assoc. Prof. Sverre M. Selbach
E-mail:
selbach@ntnu.no
Phone: +47 73 59 40 99

Assoc. Prof. Maria Benelmekki
E-mail:
maria.benelmekki@ntnu.no
Phone: +47 73 59 40 05

Assoc. Prof. Dennis Meier
E-mail:
dennis.meier@ntnu.no
Phone: +47 73 59 40 47

 

Assoc. Prof. Sondre K. Schnell
E-mail:
sondre.k.schnell@ntnu.no
Phone: +47 45 27 54 63

Visiting address:
Sem Sælandsvei 12
NTNU
N-7034 TRONDHEIM
Norway

Postal address:
Inorganic Chemistry and Ceramics Research Group
att: Mari-Ann Einarsrud
Department of Materials Science and Engineering
N-7491 TRONDHEIM
Norway