メニュー
MDRについて
ヘルプ
お問い合わせ
Switch language
日本語
English
ログイン
ログイン
Search MDR
Home
論文・データセット
コレクション
MDR lattice thermal conductivity calculation database(62)
Research Highlights(5)
FGMs Database(2)
MANA E-BULLETIN(1)
資源タイプ
ジャーナル論文(698)
データセット(66)
雑誌(6)
書籍(1)
プロシーディングス論文(1)
プレゼンテーション(1)
報告書(1)
キーワード
Lattice thermal conductivity (62)
2D materials (27)
graphene (26)
hexagonal boron nitride (20)
MoS2 (16)
Van der Waals heterostructures (13)
photoluminescence (13)
Graphene (12)
WSe2 (12)
van der Waals heterostructures (12)
(more)
ライセンス
Creative Commons BY Attribution 4.0 International (469)
In Copyright (178)
Creative Commons BY-NC-ND Attribution-NonCommercial-NoDerivs 4.0 International (73)
Creative Commons BY-NC Attribution-NonCommercial 4.0 International (27)
cc-by-3.0 (14)
http://arxiv.org/licenses/nonexclusive-distrib/1.0/ (3)
cc-by-nc-3.0 (2)
https://creativecommons.org/licenses/by-nc-nd/3.0/ (1)
https://creativecommons.org/licenses/by-nc/3.0/legalcode (1)
Copyright not evaluated (1)
ファイル種別
application/pdf (680)
image/png (63)
application/x-xz (62)
text/x-log (62)
application/vnd.openxmlformats-officedocument.wordprocessingml.document (29)
application/zip (5)
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet (3)
chemical/x-cif (1)
text/csv (1)
video/mp4 (1)
774 件のレコードが見つかりました。 41件目から50件目まで表示します。
Ultra-broadband bright light emission from a one-dimensional inorganic van der Waals material
ジャーナル論文
著者
Fateme Mahdikhany
(author) (
この著者で検索
)
Fateme Mahdikhany
;
Sean Driskill
(author) (
この著者で検索
)
Sean Driskill
;
Jeremy G. Philbrick
(author) (
この著者で検索
)
Jeremy G. Philbrick
;
Davoud Adinehloo
(author) (
この著者で検索
)
Davoud Adinehloo
;
Michael R. Koehler
(author) (
この著者で検索
)
Michael R. Koehler
;
David G. Mandrus
(author) (
この著者で検索
)
David G. Mandrus
;
Takashi Taniguchi
(author) (
この著者で検索
)
https://orcid.org/0000-0002-1467-3105
National Institute for Materials Science
NIMS Researchers Directory SAMURAI
Takashi Taniguchi
;
Kenji Watanabe
(author) (
この著者で検索
)
https://orcid.org/0000-0003-3701-8119
National Institute for Materials Science
NIMS Researchers Directory SAMURAI
Kenji Watanabe
;
Brian J. LeRoy
(author) (
この著者で検索
)
Brian J. LeRoy
;
Oliver L. A. Monti
(author) (
この著者で検索
)
Oliver L. A. Monti
;
Vasili Perebeinos
(author) (
この著者で検索
)
Vasili Perebeinos
;
Tai Kong
(author) (
この著者で検索
)
Tai Kong
;
John R. Schaibley
(author) (
この著者で検索
)
John R. Schaibley
キーワード
One-dimensional van der Waals materials
,
SbPS4 nanotube bundles
,
optical response
刊行年月日
2024-01-01
更新時刻
2025-02-14 12:31:59 +0900
All-dry flip-over stacking of van der Waals junctions of 2D materials using polyvinyl chloride
ジャーナル論文
著者
Momoko Onodera
(author) (
この著者で検索
)
Momoko Onodera
;
Yusai Wakafuji
(author) (
この著者で検索
)
Yusai Wakafuji
;
Taketo Hashimoto
(author) (
この著者で検索
)
Taketo Hashimoto
;
Satoru Masubuchi
(author) (
この著者で検索
)
Satoru Masubuchi
;
Rai Moriya
(author) (
この著者で検索
)
Rai Moriya
;
Yijin Zhang
(author) (
この著者で検索
)
Yijin Zhang
;
Kenji Watanabe
(author) (
この著者で検索
)
https://orcid.org/0000-0003-3701-8119
National Institute for Materials Science
NIMS Researchers Directory SAMURAI
Kenji Watanabe
;
Takashi Taniguchi
(author) (
この著者で検索
)
https://orcid.org/0000-0002-1467-3105
National Institute for Materials Science
NIMS Researchers Directory SAMURAI
Takashi Taniguchi
;
Tomoki Machida
(author) (
この著者で検索
)
Tomoki Machida
キーワード
Polymer-to-polymer transfer
,
van der Waals heterostructures
,
PVC/PDMS
刊行年月日
2022-12-19
更新時刻
2025-02-28 16:30:56 +0900
Versatile construction of van der Waals heterostructures using a dual-function polymeric film
ジャーナル論文
著者
Zhujun Huang
(author) (
この著者で検索
)
Zhujun Huang
;
Abdullah Alharbi
(author) (
この著者で検索
)
Abdullah Alharbi
;
William Mayer
(author) (
この著者で検索
)
William Mayer
;
Edoardo Cuniberto
(author) (
この著者で検索
)
Edoardo Cuniberto
;
Takashi Taniguchi
(author) (
この著者で検索
)
https://orcid.org/0000-0002-1467-3105
National Institute for Materials Science
NIMS Researchers Directory SAMURAI
Takashi Taniguchi
;
Kenji Watanabe
(author) (
この著者で検索
)
https://orcid.org/0000-0003-3701-8119
National Institute for Materials Science
NIMS Researchers Directory SAMURAI
Kenji Watanabe
;
Javad Shabani
(author) (
この著者で検索
)
Javad Shabani
;
Davood Shahrjerdi
(author) (
この著者で検索
)
Davood Shahrjerdi
キーワード
Van der Waals heterostructures
,
graphene devices
,
carrier mobility
刊行年月日
2020-06-15
更新時刻
2025-02-27 08:30:14 +0900
Monolithically‐Integrated van der Waals Synaptic Memory via Bulk Nano‐Crystallization
ジャーナル論文
著者
Jinhyoung Lee
(author) (
この著者で検索
)
Jinhyoung Lee
;
Gunhyoung Kim
(author) (
この著者で検索
)
Gunhyoung Kim
;
Hyunho Seok
(author) (
この著者で検索
)
Hyunho Seok
;
Sujeong Han
(author) (
この著者で検索
)
Sujeong Han
;
Hyunwoo Shim
(author) (
この著者で検索
)
Hyunwoo Shim
;
Yoonmi Cha
(author) (
この著者で検索
)
Yoonmi Cha
;
Sihoon Son
(author) (
この著者で検索
)
Sihoon Son
;
Hyunbin Choi
(author) (
この著者で検索
)
Hyunbin Choi
;
Magdalena Grzeszczyk
(author) (
この著者で検索
)
Magdalena Grzeszczyk
;
Aleksander Bogucki
(author) (
この著者で検索
)
Aleksander Bogucki
;
Yunseok Choi
(author) (
この著者で検索
)
Yunseok Choi
;
Seungil Kim
(author) (
この著者で検索
)
Seungil Kim
;
Hyeonjeong Lee
(author) (
この著者で検索
)
Hyeonjeong Lee
;
Chaerin Park
(author) (
この著者で検索
)
Chaerin Park
;
Geonwook Kim
(author) (
この著者で検索
)
Geonwook Kim
;
Hosin Hwang
(author) (
この著者で検索
)
Hosin Hwang
;
Hyunho Kim
(author) (
この著者で検索
)
Hyunho Kim
;
Dongho Lee
(author) (
この著者で検索
)
Dongho Lee
;
Seowoo Son
(author) (
この著者で検索
)
Seowoo Son
;
Geumji Back
(author) (
この著者で検索
)
Geumji Back
;
Hyelim Shin
(author) (
この著者で検索
)
Hyelim Shin
;
Donghwan Choi
(author) (
この著者で検索
)
Donghwan Choi
;
Alexina Ollier
(author) (
この著者で検索
)
Alexina Ollier
;
Yeon‐Ji Kim
(author) (
この著者で検索
)
Yeon‐Ji Kim
;
Lei Fang
(author) (
この著者で検索
)
Lei Fang
;
Gyuho Han
(author) (
この著者で検索
)
Gyuho Han
;
Goo‐Eun Jung
(author) (
この著者で検索
)
Goo‐Eun Jung
;
Youngi Lee
(author) (
この著者で検索
)
Youngi Lee
;
Hyeong‐U Kim
(author) (
この著者で検索
)
Hyeong‐U Kim
;
Kenji Watanabe
(author) (
この著者で検索
)
https://orcid.org/0000-0003-3701-8119
National Institute for Materials Science
NIMS Researchers Directory SAMURAI
Kenji Watanabe
;
Takashi Taniguchi
(author) (
この著者で検索
)
https://orcid.org/0000-0002-1467-3105
National Institute for Materials Science
NIMS Researchers Directory SAMURAI
Takashi Taniguchi
;
Sanghoon Bae
(author) (
この著者で検索
)
Sanghoon Bae
;
Andreas Heinrich
(author) (
この著者で検索
)
Andreas Heinrich
;
Won‐Jun Jang
(author) (
この著者で検索
)
Won‐Jun Jang
;
Taesung Kim
(author) (
この著者で検索
)
Taesung Kim
キーワード
synaptic memory
,
van der Waals heterostructure
,
nano-crystallization
刊行年月日
2025-08-26
更新時刻
2026-04-03 14:54:05 +0900
Full phonon dispersion along the stacking direction in nanoscale van der Waals materials by picosecond acoustics
ジャーナル論文
著者
Seong-Yeon Lee
(author) (
この著者で検索
)
Seong-Yeon Lee
;
Soungmin Bae
(author) (
この著者で検索
)
Soungmin Bae
;
Seonyeong Kim
(author) (
この著者で検索
)
Seonyeong Kim
;
Suyong Jung
(author) (
この著者で検索
)
Suyong Jung
;
Kenji Watanabe
(author) (
この著者で検索
)
https://orcid.org/0000-0003-3701-8119
National Institute for Materials Science
NIMS Researchers Directory SAMURAI
Kenji Watanabe
;
Takashi Taniguchi
(author) (
この著者で検索
)
https://orcid.org/0000-0002-1467-3105
National Institute for Materials Science
NIMS Researchers Directory SAMURAI
Takashi Taniguchi
;
Hannes Raebiger
(author) (
この著者で検索
)
Hannes Raebiger
;
Ki-Ju Yee
(author) (
この著者で検索
)
Ki-Ju Yee
キーワード
Phonon dispersion
,
picosecond acoustics
,
heterostructure
刊行年月日
2024-06-13
更新時刻
2025-02-23 22:47:55 +0900
Electrically tunable giant Nernst effect in two-dimensional van der Waals heterostructures
ジャーナル論文
著者
Gabriele Pasquale
(author) (
この著者で検索
)
https://orcid.org/0000-0002-3779-7258
(unauthenticated)
Gabriele Pasquale
;
Zhe Sun
(author) (
この著者で検索
)
Zhe Sun
;
Guilherme Migliato Marega
(author) (
この著者で検索
)
https://orcid.org/0000-0003-3957-8574
(unauthenticated)
Guilherme Migliato Marega
;
Kenji Watanabe
(author) (
この著者で検索
)
https://orcid.org/0000-0003-3701-8119
NIMS Researchers Directory SAMURAI
Kenji Watanabe
;
Takashi Taniguchi
(author) (
この著者で検索
)
https://orcid.org/0000-0002-1467-3105
NIMS Researchers Directory SAMURAI
Takashi Taniguchi
;
Andras Kis
(author) (
この著者で検索
)
https://orcid.org/0000-0002-3426-7702
(unauthenticated)
Andras Kis
キーワード
Nernst effect
,
graphene
,
indium selenide
刊行年月日
2024-07-02
更新時刻
2025-02-05 12:31:38 +0900
Electrical excitation of self-hybridized exciton polaritons in a van der Waals antiferromagnet
ジャーナル論文
著者
Jonas D. Ziegler
(author) (
この著者で検索
)
Jonas D. Ziegler
;
Sotirios Papadopoulos
(author) (
この著者で検索
)
Sotirios Papadopoulos
;
Antti J. Moilanen
(author) (
この著者で検索
)
Antti J. Moilanen
;
Marcelo Martínez
(author) (
この著者で検索
)
Marcelo Martínez
;
Qia Lin
(author) (
この著者で検索
)
Qia Lin
;
Kseniia Mosina
(author) (
この著者で検索
)
Kseniia Mosina
;
Takashi Taniguchi
(author) (
この著者で検索
)
https://orcid.org/0000-0002-1467-3105
National Institute for Materials Science
NIMS Researchers Directory SAMURAI
Takashi Taniguchi
;
Kenji Watanabe
(author) (
この著者で検索
)
https://orcid.org/0000-0003-3701-8119
National Institute for Materials Science
NIMS Researchers Directory SAMURAI
Kenji Watanabe
;
Zdenek Sofer
(author) (
この著者で検索
)
Zdenek Sofer
;
Florian Dirnberger
(author) (
この著者で検索
)
Florian Dirnberger
;
Lukas Novotny
(author) (
この著者で検索
)
Lukas Novotny
キーワード
exciton polaritons
,
van der Waals antiferromagnet
,
CrSBr
刊行年月日
2025-11-07
更新時刻
2026-02-17 08:30:48 +0900
Achieving nearly barrier free transport in high mobility ReS2 phototransistors with van der Waals contacts
ジャーナル論文
著者
Shubhrasish Mukherjee
(author) (
この著者で検索
)
Shubhrasish Mukherjee
;
Gaurab Samanta
(author) (
この著者で検索
)
Gaurab Samanta
;
Md Nur Hasan
(author) (
この著者で検索
)
Md Nur Hasan
;
Shubhadip Moulick
(author) (
この著者で検索
)
Shubhadip Moulick
;
Ruta Kulkarni
(author) (
この著者で検索
)
Ruta Kulkarni
;
Kenji Watanabe
(author) (
この著者で検索
)
https://orcid.org/0000-0003-3701-8119
NIMS Researchers Directory SAMURAI
Kenji Watanabe
;
Takashi Taniguchi
(author) (
この著者で検索
)
https://orcid.org/0000-0002-1467-3105
NIMS Researchers Directory SAMURAI
Takashi Taniguchi
;
Arumugum Thamizhavel
(author) (
この著者で検索
)
https://orcid.org/0000-0003-1679-4370
(unauthenticated)
Arumugum Thamizhavel
;
Debjani Karmakar
(author) (
この著者で検索
)
Debjani Karmakar
;
Atindra Nath Pal
(author) (
この著者で検索
)
https://orcid.org/0000-0001-9584-2283
(unauthenticated)
Atindra Nath Pal
キーワード
ReS2
,
barrier-free contact
,
phototransistor
刊行年月日
2024-11-05
更新時刻
2025-02-05 12:30:44 +0900
Air tightness of hBN encapsulation and its impact on Raman spectroscopy of van der Waals materials
ジャーナル論文
著者
Johannes Holler
(author) (
この著者で検索
)
Johannes Holler
;
Lorenz Bauriedl
(author) (
この著者で検索
)
Lorenz Bauriedl
;
Tobias Korn
(author) (
この著者で検索
)
Tobias Korn
;
Andrea Seitz
(author) (
この著者で検索
)
Andrea Seitz
;
Furkan Özyigit
(author) (
この著者で検索
)
Furkan Özyigit
;
Michaela Eichinger
(author) (
この著者で検索
)
Michaela Eichinger
;
Christian Schüller
(author) (
この著者で検索
)
Christian Schüller
;
Kenji Watanabe
(author) (
この著者で検索
)
https://orcid.org/0000-0003-3701-8119
National Institute for Materials Science
NIMS Researchers Directory SAMURAI
Kenji Watanabe
;
Takashi Taniguchi
(author) (
この著者で検索
)
https://orcid.org/0000-0002-1467-3105
National Institute for Materials Science
NIMS Researchers Directory SAMURAI
Takashi Taniguchi
;
Christoph Strunk
(author) (
この著者で検索
)
Christoph Strunk
;
Nicola Paradiso
(author) (
この著者で検索
)
Nicola Paradiso
キーワード
Raman spectroscopy
,
van der Waals materials
,
photo-oxidation
刊行年月日
2020-01-01
更新時刻
2025-02-26 08:30:26 +0900
Electrically Pumped
h
-BN Single-Photon Emission in van der Waals Heterostructure
ジャーナル論文
著者
Mihyang Yu
(author) (
この著者で検索
)
Mihyang Yu
;
Jeonghan Lee
(author) (
この著者で検索
)
Jeonghan Lee
;
Kenji Watanabe
(author) (
この著者で検索
)
https://orcid.org/0000-0003-3701-8119
National Institute for Materials Science
NIMS Researchers Directory SAMURAI
Kenji Watanabe
;
Takashi Taniguchi
(author) (
この著者で検索
)
https://orcid.org/0000-0002-1467-3105
National Institute for Materials Science
NIMS Researchers Directory SAMURAI
Takashi Taniguchi
;
Jieun Lee
(author) (
この著者で検索
)
Jieun Lee
キーワード
Single-photon emission
,
Hexagonal boron nitride (h-BN) defect
,
Van der Waals heterostructure
刊行年月日
2025-01-14
更新時刻
2026-07-06 09:41:04 +0900
キーワード
Lattice thermal conductivity
(62)
2D materials
(27)
graphene
(26)
hexagonal boron nitride
(20)
MoS2
(16)
Van der Waals heterostructures
(13)
photoluminescence
(13)
Graphene
(12)
WSe2
(12)
van der Waals heterostructures
(12)
Bilayer graphene
(10)
Moiré superlattices
(10)
van der Waals materials
(9)
Hexagonal boron nitride
(8)
Moiré superlattice
(8)
bilayer graphene
(8)
Transition metal dichalcogenides
(7)
interlayer excitons
(7)
transition metal dichalcogenides
(7)
DFT
(6)
Josephson junction
(6)
excitons
(6)
van der Waals heterostructure
(6)
band structure
(5)
density functional theory
(5)
machine learning
(5)
nanoarchitectonics
(5)
scanning tunneling microscopy
(5)
van der Waals heterostructures
(5)
Excitons
(4)
Josephson junctions
(4)
Landau levels
(4)
Raman spectroscopy
(4)
Sliding ferroelectricity
(4)
Transition Metal Dichalcogenide
(4)
Twisted bilayer graphene
(4)
cathodoluminescence
(4)
chemical vapor deposition
(4)
chirality
(4)
ferromagnetism
(4)
light-matter coupling
(4)
self-assembly
(4)
transition metal dichalcogenide
(4)
van der Waals
(4)
2D semiconductors
(3)
Chern insulator
(3)
GeS
(3)
Hexagonal boron nitride (hBN)
(3)
Interlayer excitons
(3)
Magic-angle twisted bilayer graphene
(3)
MoSe2
(3)
NbSe2
(3)
Nonreciprocal transport
(3)
Quantum Hall effect
(3)
Quantum materials
(3)
ReS2
(3)
Schottky barrier
(3)
Spin-orbit coupling
(3)
Superconductivity
(3)
Van der Waals heterostructure
(3)
WSe2/WS2
(3)
bilayer MoS2
(3)
dark excitons
(3)
electron microscopy
(3)
electronic properties
(3)
ferroelectricity
(3)
field-effect transistors
(3)
fractional quantum Hall
(3)
fullerene
(3)
hBN
(3)
heterostructure
(3)
heterostructures
(3)
indium selenide
(3)
interlayer excitons
(3)
magnetic properties
(3)
molecular beam epitaxy
(3)
optical properties
(3)
organic semiconductor
(3)
spintronics
(3)
superconductivity
(3)
superconductivity
(3)
thin films
(3)
3R-MoS2
(2)
Angle-resolved photoemission spectroscopy
(2)
Bayesian optimization
(2)
Bernal-stacked bilayer graphene
(2)
Berry curvature
(2)
CaAl2O4
(2)
CaAlF5
(2)
Correlated insulating states
(2)
CrI3
(2)
CrOCl
(2)
CrPS4
(2)
CrSBr
(2)
Cyclodextrin
(2)
Defect centers
(2)
Device stability
(2)
Electronic structure
(2)
Ferroelectric switching
(2)
First-principles calculation
(2)
Graphene nanoribbons
(2)
Hydrogen
(2)
Hysteresis
(2)
IMFP
(2)
Interface
(2)
Interfacial ferroelectricity
(2)
Interlayer coupling
(2)
LaAsO4
(2)
Liquid phase exfoliation
(2)
Lock-in thermography
(2)
Low-power transistors
(2)
MXene
(2)
Magnetism
(2)
Magnetoresistance
(2)
MoS2 transistor
(2)
MoS2 transistors
(2)
MoSe2 monolayer
(2)
MoTe2
(2)
Moiré potential
(2)
Molybdenum disulfide
(2)
Nanosheets
(2)
Negative differential resistance
(2)
NiI2
(2)
On-surface synthesis
(2)
Optical excitations
(2)
Optical properties
(2)
Optoelectronics
(2)
Polaritons
(2)
Polymorphism
(2)
Quantum criticality
(2)
Recycle
(2)
Rydberg excitons
(2)
Scanning tunneling microscopy
(2)
Schottky diode
(2)
Single photon emitters
(2)
Spin-orbit torque
(2)
Strain
(2)
Supermoiré lattice
(2)
TaAlO4
(2)
Thermoelectrics
(2)
Twisted trilayer graphene
(2)
Two-dimensional materials
(2)
Two-dimensional semiconductors
(2)
Van der Waals contacts
(2)
anomalous Hall effect
(2)
atomic layers
(2)
bilayer graphene
(2)
boron nitride nanotubes
(2)
carbon nanotube
(2)
carbon nanotubes
(2)
dataset
(2)
diamond
(2)
dielectric screening
(2)
electroluminescence
(2)
electronics
(2)
energy transfer
(2)
epitaxial growth
(2)
exciton correlations
(2)
exciton states
(2)
excitonic insulator
(2)
field effect transistors
(2)
functionally graded materials
(2)
gate voltage
(2)
germanene
(2)
graphene nanoribbons
(2)
hexagonal boron nitride (hBN)
(2)
hexagonal boron nitride (hBN)
(2)
high-entropy alloys
(2)
hybrid excitons
(2)
hydrogen evolution reaction
(2)
in situ TEM
(2)
interface
(2)
living cell
(2)
local probe
(2)
luminescence
(2)
magnetic topological insulator
(2)
magnetotransport
(2)
metal-organic frameworks
(2)
moiré excitons
(2)
moiré materials
(2)
moiré pattern
(2)
moiré potential
(2)
moiré superlattice
(2)
moiré superlattices
(2)
monolayer MoS2
(2)
on-surface synthesis
(2)
orbital ordering
(2)
phase transition
(2)
photonic crystal
(2)
quantum Hall states
(2)
quantum devices
(2)
quantum information
(2)
strain engineering
(2)
structural disorder
(2)
superconductors
(2)
supramolecular chemistry
(2)
tdm
(2)
thermal management
(2)
thermoelectric
(2)
thermoelectric materials
(2)
RDEメタデータ定義
RDE送り状
<
1
…
4
5
6
…
78
>
絞り込み
コレクション
MDR lattice thermal conductivity calculation database(62)
Research Highlights(5)
FGMs Database(2)
MANA E-BULLETIN(1)
資源タイプ
ジャーナル論文(698)
データセット(66)
雑誌(6)
書籍(1)
プロシーディングス論文(1)
プレゼンテーション(1)
報告書(1)
キーワード
Lattice thermal conductivity (62)
2D materials (27)
graphene (26)
hexagonal boron nitride (20)
MoS2 (16)
Van der Waals heterostructures (13)
photoluminescence (13)
Graphene (12)
WSe2 (12)
van der Waals heterostructures (12)
(more)
ライセンス
Creative Commons BY Attribution 4.0 International (469)
In Copyright (178)
Creative Commons BY-NC-ND Attribution-NonCommercial-NoDerivs 4.0 International (73)
Creative Commons BY-NC Attribution-NonCommercial 4.0 International (27)
cc-by-3.0 (14)
http://arxiv.org/licenses/nonexclusive-distrib/1.0/ (3)
cc-by-nc-3.0 (2)
https://creativecommons.org/licenses/by-nc-nd/3.0/ (1)
https://creativecommons.org/licenses/by-nc/3.0/legalcode (1)
Copyright not evaluated (1)
ファイル種別
application/pdf (680)
image/png (63)
application/x-xz (62)
text/x-log (62)
application/vnd.openxmlformats-officedocument.wordprocessingml.document (29)
application/zip (5)
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet (3)
chemical/x-cif (1)
text/csv (1)
video/mp4 (1)