Dielectric broadband spectrometer facility
Dielectric broadband spectrometer facility
Make
Novocontrol Technologies
Model
Germany, Concept 80
Facility Status
Working
Facility Management Division
Institute Central Research Facilities (ICRF)

Category

  • Material Characterization » Electrical Characterisation

Booking Details

Booking available for
Internal and External Both
Available Mode for Use
Low/high temperature (-150°C to 900°C)
magnetodielectric measurements
piezoelectric measurements
ferroelectric loop measurements.

Facility Management Team and Location

Faculty In Charge
Prof. Abhijeet L. Sangle
Co-convenors
  • Prof. N. N. Viswanathan (HoD, MEMS, Ex-officio member)
  • Prof. Triratna P. Muneshwar
  • Prof. Prasanna Kumar S. Mural
  • Prof. Jyoti Seth
  • Prof. Srinivasan Ramakrishnan
  • Prof. Sankara Sarma V. Tatiparti
Department
MEMS
LAB Email ID
bds@iitb.ac.in
Facility Location
Room No. 002, Ground floor, Dept. of Metallurgical Engg. and Materials Science
Lab Phone No
022-2576-4634

Facility Features, Working Principle and Specifications

Features Working Principle
  • It has two separate analyzers:
    • From 3MHz to 20MHz working on gain phase measurement method
    • From 1MHz to 3GHz working on coaxial line reflectometry method.
  • Permittivity, modulus, conductivity (AC), specific resistance (resistivity), tan δ, capacity, impedance, admittance, inductivity, measured temperature, measured time, measured AC volt, measured DC volt, measured AC current, measured DC current.
  • Magneto dielectric measurement (For bulk and thin film sample)
  • P-E loop measurement (For bulk and thin film samples)
  • Piezoelectric measurement (only for bulk sample)

Instructions for Registration, Sample Preparation, User Instructions, Precautionary Measures and Charges

Instructions for Registration

Instructions for Registration for Internal users :

  • Users within IIT Bombay can apply from http://drona.ircc.iitb.ac.in. The form should be completely filled up online and all the sample detThe form should be completely filled up online and all the sample details must be provided in the requisition form. Users need to be present at the time of analysis on the allotted appointment date/time.
  • If a user wishes to change his/her time slot, an email should be sent immediately to bds@iitb.ac.in requesting change in appointment.

Instructions for Registration for External users:

  • Academic Institutions: You can come personally or send a letter from the Guide/HoD on the Institution’s Original Letter Head stating that the analysis is for research purpose, to qualify for academic concession along with the Registration Form and Demand draft. The letter should be addressed to The Convener, Broadband Dielectric Spectrometer central facility, Department of Metallurgical Engineering & Materials Science, IIT Bombay, Powai, Mumbai -400076.
  • National R & D Lab’s: You can come personally or send a letter signed by an authorized signatory of your Institution on Original Letter Head stating that the analysis is for research purpose along with the Registration Form and Demand draft. The letter should be addressed to The Convener, Broadband Dielectric Spectrometer central facility, Department of Metallurgical Engineering & Materials Science, IIT Bombay, Powai, Mumbai -400076.
  • Industry& Non-Government Agencies: You can come personally or send a letter signed by an authorized signatory of your Institution on Original Letter Head stating that the analysis is for research purpose along with the Registration Form and Demand draft. The letter should be addressed to The Convener, Broadband Dielectric Spectrometer central facility, Department of Metallurgical Engineering & Materials Science, IIT Bombay, Powai, Mumbai -400076.
  • You are requested to mention in your request letter that “We agree to acknowledge the Broadband Dielectric Spectrometer Central Facility of IIT Bombay when the data from the BDS lab is used in our papers/reports/thesis”. The information on such acknowledgements with appropriate reference should be communicated to BDS lab via email bds@iitb.ac.in . Kindly send the complete publication reference (Name of authors/ paper title/ Journal name/volume number/page number /date of issue of the publication etc)

Results:

  • After the sample analysis is complete the results will be sent by email
  • The experimental data provided is only for research / development purposes. These cannot be used as certificates in legal disputes.
  • Samples and payment should be sent preferably in the same cover. Samples will not be analyzed till payment is received.
Instruction for Sample Preparation
  • Sample should be well polished and having smooth surface.
  • Maximum of six samples will be accepted at a time for room temperature.
  • Maximum of two samples will be accepted at a time with temperature measurement.
  • Maximum sample dimension should be diameter of 3 cm and thickness 0.3 cm for Low frequency, and diameter 1 cm and 0.2 cm thickness for RF
  • After applying silver paste (Conducting coating) to ceramics samples it should be heated at 150oC at least for one hour.
  • User has to bring liquid nitrogen.
  • Only one registration will be accepted at a time.
User Instructions and Precautionary Measures
  • Payment Mode: Payment should be made in advance by a Demand Draft (DD) drawn in favour of “The Registrar, IIT Bombay, P and C Account". The same should be sent to The Convener, Broadband Dielectric Spectrometer central facility, Department of Metallurgical Engineering & Materials Science, IIT Bombay, Powai, Mumbai -400076.
  • Appointment: The users will be informed about their date and time-slot by email. If the day and time-slot is not suitable for you, an email request should be sent immediately for an alternate slot
  • : Samples are to be submitted at the time of registration or brought along on the date of your appointment for your sample analysis.

Applications

  • Polymers, rubbers, liquid crystals, ferroelectrics, ceramics, Dielectric spectra, molecular relaxation and dynamics, glass transition.
  • Pharmaceutical applications, characterization of drugs.
  • Structural material properties like phase transitions, phase compositions, and crystallization processes
  • Semiconductors, organic crystals: charge transport, activation energy, charge mobility.
  • Civil engineering, characterization of concrete.
  • Pharmaceutical applications, characterization of drugs.
  • Structural material properties like phase transitions, phase compositions and crystallization processes
  • Semiconductors, organic crystals: charge transport, activation energy, charge mobility.

Sample Details

SOP, Lab Policies and Other Details

Publications

Publications
NA