Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Mechanical control of polar order.

Science advances·2026
Same author

Electron-Phonon Coupling in Weakly Quantum-Confined Perovskite Nanocrystals.

ACS nano·2026
Same author

Improper geometric ferroelectricity at the monolayer limit.

Science advances·2026
Same author

In-Situ TEM Studies of Halide Perovskite Memristors: Mechanistic Insights and Future Directions.

Nano letters·2026
Same author

Evolution and Suppression of Spin Cycloid in Epitaxial BiFeO<sub>3</sub> Thin Films.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

Quantum well-inspired energy level design in multicomponent organic solar cells for improved energy loss management.

Materials horizons·2026

Related Experiment Video

Updated: Mar 18, 2026

Low Pressure Vapor-assisted Solution Process for Tunable Band Gap Pinhole-free Methylammonium Lead Halide Perovskite Films
08:12

Low Pressure Vapor-assisted Solution Process for Tunable Band Gap Pinhole-free Methylammonium Lead Halide Perovskite Films

Published on: September 8, 2017

10.2K

Tunable room-temperature spin-selective optical Stark effect in solution-processed layered halide perovskites.

David Giovanni1, Wee Kiang Chong1, Herlina Arianita Dewi2

  • 1Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University (NTU), 21 Nanyang Link, Singapore 637371, Singapore.; Energy Research Institute @NTU (ERI@N), Interdisciplinary Graduate School, Nanyang Technological University, 50 Nanyang Avenue, S2-B3a-01, Singapore 639798, Singapore.

Science Advances
|July 8, 2016
PubMed
Summary

Two-dimensional halide perovskites demonstrate a strong room-temperature optical Stark effect for ultrafast spin manipulation. This breakthrough offers a promising pathway for opto-spin logic applications, overcoming limitations of conventional semiconductor nanostructures.

Keywords:
Layered Halide PerovskitesNon-linearOptical Stark EffectRabi-splittingSolution ProcessedSpin-selectiveUltrafastlight-matter interactionsopto-spin-logicroom temperature

More Related Videos

Facile Synthesis of Colloidal Lead Halide Perovskite Nanoplatelets via Ligand-Assisted Reprecipitation
04:14

Facile Synthesis of Colloidal Lead Halide Perovskite Nanoplatelets via Ligand-Assisted Reprecipitation

Published on: October 1, 2019

13.7K
Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells
08:30

Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells

Published on: March 19, 2017

17.3K

Related Experiment Videos

Last Updated: Mar 18, 2026

Low Pressure Vapor-assisted Solution Process for Tunable Band Gap Pinhole-free Methylammonium Lead Halide Perovskite Films
08:12

Low Pressure Vapor-assisted Solution Process for Tunable Band Gap Pinhole-free Methylammonium Lead Halide Perovskite Films

Published on: September 8, 2017

10.2K
Facile Synthesis of Colloidal Lead Halide Perovskite Nanoplatelets via Ligand-Assisted Reprecipitation
04:14

Facile Synthesis of Colloidal Lead Halide Perovskite Nanoplatelets via Ligand-Assisted Reprecipitation

Published on: October 1, 2019

13.7K
Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells
08:30

Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells

Published on: March 19, 2017

17.3K

Area of Science:

  • Materials Science
  • Condensed Matter Physics
  • Optoelectronics

Background:

  • Ultrafast spin manipulation is crucial for opto-spin logic applications, demanding materials with strong spin-selective light-matter interactions.
  • Conventional inorganic semiconductor nanostructures (e.g., quantum dots, multiple quantum wells) face challenges like lattice matching and cryogenic cooling.

Purpose of the Study:

  • To explore two-dimensional (2D) halide perovskites as a novel material system for opto-spin logic applications.
  • To demonstrate and characterize the ultrafast spin-selective optical Stark effect in solution-processed 2D halide perovskites at room temperature.

Main Methods:

  • Fabrication of solution-processed (C6H4FC2H4NH3)2PbI4 perovskite thin films.
  • Investigation of the optical Stark effect using ultrafast spectroscopy with circularly polarized optical pulses.
  • Analysis of exciton spin state tuning and light-matter coupling strength.

Main Results:

  • Demonstrated a strong room-temperature ultrafast spin-selective optical Stark effect in (C6H4FC2H4NH3)2PbI4 perovskite thin films.
  • Achieved selective tuning of exciton spin states by ~6.3 meV without an external photonic cavity, indicating a large Rabi energy (~55 meV).
  • This effect is significantly larger than in conventional systems, equivalent to a 70 T magnetic field.

Conclusions:

  • 2D halide perovskites offer a promising platform for opto-spin logic due to their intrinsic tunable structures and strong light-matter interactions.
  • Facile chemical modification (halide and organic replacement) allows precise control over dielectric confinement and light-matter coupling strength.
  • These findings pave the way for room-temperature, efficient opto-electronic devices leveraging spin-selective phenomena.